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  • Oracle saves with Oracle Database 11g and Advanced Compression

    - by jenny.gelhausen
    Oracle Corporation runs a centralized eBusiness Suite system on Oracle Database 11g for all its employees around the globe. This clustered Global Single Instance (GSI) has scaled seamlessly with many acquisitions over the years, doubling the number of employees since 2001 and supporting around 100,000 employees today, 24 hours a day, 7 days a week around the world. In this podcast, you'll hear from Raji Mani, IT Director for Oracle's PDIT Group, on how Oracle Database 11g and Advanced Compression is helping to save big on storage costs. var gaJsHost = (("https:" == document.location.protocol) ? "https://ssl." : "http://www."); document.write(unescape("%3Cscript src='" + gaJsHost + "google-analytics.com/ga.js' type='text/javascript'%3E%3C/script%3E")); try { var pageTracker = _gat._getTracker("UA-13185312-1"); pageTracker._trackPageview(); } catch(err) {}

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  • How do I get the compression on specific dynamic body

    - by Mike JM
    Sorry, I could not find any tag that would suit my question. Let me first show you the image and then write what I want to do: I'm using box2D. As you can see there are three dynamic bodies connected to each other (think of it as a table from front view).The LEG1 and LEG2 are connected to the static body. (it's the ground body). Another dynamic body is falling onto the table. I need to get the compression in the LEG1 and LEG2 separately. Joints have GetReactionForce() function which returns a b2Vec, which in turn has Length() and LengthSqd functions. This will give the total sum of the forces in any taken joint. But what I need is forces in individual bodies that are connected with joints. Once you connect several bodies with a single joint it again will show the sum of forces which is not useful.Here's the case iI'm talking about:

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  • Hybrid Columnar Compression

    - by user12620172
    You heard me in the past talk about the HCC feature for Oracle databases. Hybrid Columnar Compression is a fantastic, built-in, free feature of Oracle 11Gr2. One used to need an Exadata to make use of it. However, last October, Oracle opened it up and now allows it to work on ANY Oracle DB server running 11Gr2, as long as the storage behind it is a ZFSSA for DNFS, or an Axiom for FC. If you're not sure why this is so cool or what HCC can do for your Oracle database, please check out this presentation. In it, Art will explain HCC, show you what it does, and give you a great idea why it's such a game-changer for those holding lots of historical DB data. Did I mention it's free? Click here: http://hcc.zanghosting.com/hcc-demo-swf.html

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  • How to enable gzip HTTP compression on Windows Azure dynamic content

    - by Steven
    Hi all, I've been trying unsuccessfully to enable gzip HTTP compression on my Windows Azure hosted WCF Restful service which returns JSON only from GET and POST requests. I have tried so many things that I would have a hard time listing all of them, and I now realise I have been working with conflicting information (regarding old version of azure etc) so think it best to start with a clean slate! I am working with Visual Studio 2008, using the February 2010 tools for Visual Studio. So, according to the following link, HTTP compression has now been enabled .. http://msdn.microsoft.com/en-us/library/ff436045.aspx ... and I've used the advice at the following page (the URL compression advice only), but I get no compression. http://blog.smarx.com/posts/iis-compression-in-windows-azure <urlCompression doStaticCompression="true" doDynamicCompression="false" dynamicCompressionBeforeCache="true" /> It doesn't help that I don't know what the difference is between urlCompression and httpCompression. I've tried to find out but to no avail! Could the fact that the tools for Visual Studio were released before the version of Azure which supports compression be a problem? I read somewhere that with the latest tools, you can choose which version of Azure OS you want to use when you publish ... but I don't know if that's true, and if it is, I can't find where to choose. Could I be using a pre-http enabled version? I've also tried blowery http compression module, but no results. Does any one have any up-to-date advice on how to achieve this? i.e. advice that relates to the current version of the Azure OS. Cheers! Steven

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  • Pull Request Changes, Multi-Selection in Advanced View, and Advertisement Changes

    [Do you tweet? Follow us on Twitter @matthawley and @adacole_msft] We deployed a new version of the CodePlex website today. Pull Request Changes In this release, we have begun to re-focus on Pull Requests to ensure a productive experience between the project users and developers. We feel we made significant progress in this area for this release and look forward to using your feedback to drive future iterations. One of the biggest hurdles people have indicated is the inability to see what a pull request includes without pulling the source down from a Mercurial client. With today’s changes, any user has the ability to view a pull request, the changesets / changes included, and perform an inline diff of the file. When a pull request is made, the CodePlex website will query for all outgoing changes from the fork to the main repository for a point-in-time comparison. Because of this point-in-time comparison… All existing pull requests created prior to this release will not have changesets associated with them. If new commits are pushed to the fork while a pull request is active, they will not appear associated with the pull request. The pull request will need to be re-submitted for them to appear. Once a pull request is created, you can “View the Pull Request” which takes you to a page that looks like As you may notice, we now display a lot more detailed information regarding that pull request including who it was requested by and when, the associated changesets, the description, who it’s assigned to (we’ll come back to this) and the listing of summarized file changes. What you’ll also notice, is that each modified file has the ability to view a diff of all changes made. When you click “(view diff)” for a file, an inline diff experience appears. This new experience allows you to quickly navigate through all of the modified files as well as viewing the various change blocks for each file. You’ll also notice as you browse through each file’s changes, we update the URL to include the file path so you can quickly send a direct link to a pull request’s file. Clicking “(close diff)” will bring you back to the original pull request view. View this pull request live on WikiPlex. Pull Request Review Assignment Another new feature we added for pull requests is the ability for project members to assign pull requests for review. Any project member has the ability to assign (and re-assign if needed) a pull request to a project member. Once the assignment has been made, that project member will be notified via email of the assignment. Once they complete the review of the pull request, they can either accept or deny it similarly to the previous process. Multi-Selection in Advanced View Filters One of the more recent requests we have heard from users is the ability multi-select advanced view filters for work items. We are happy to announce this is now possible. Simply control-click the multiple options for each filter item and your work item query will be refined as such. Should you happen to unselect all options for a given filter, it will automatically reset to the default option for that filter. Furthermore, the “Direct Link” URL will be updated to include the multi-selected options for each filter. Note: The “Direct Link” feature was released in our previous deployment, just never written about. It allows you to capture the current state of your query and send it to other individuals. Advertisement Changes Very recently, the advertiser (The Lounge) we partnered to provide advertising revenue for projects, or donated to charity, was acquired by Lake Quincy Media. There has been no change in the advertising platform offering, and all projects have been converted over to using the new infrastructure. Project owners should note the new contact information for getting paid. The CodePlex team values your feedback, and is frequently monitoring Twitter, our Discussions and Issue Tracker for new features or problems. If you’ve not visited the Issue Tracker recently, please take a few moments to log an idea or vote for the features you would most like to see implemented on CodePlex.

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  • Advanced Search Stored procedure

    - by Ray Eatmon
    So I am working on an MVC ASP.NET web application which centers around lots of data and data manipulation. PROBLEM OVERVIEW: We have an advanced search with 25 different filter criteria. I am using a stored procedure for this search. The stored procedure takes in parameters, filter for specific objects, and calculates return data from those objects. It queries large tables 14 millions records on some table, filtering and temp tables helped alleviate some of the bottle necks for those queries. ISSUE: The stored procedure used to take 1 min to run, which creates a timeout returning 0 results to the browser. I rewrote the procedure and got it down to 21 secs so the timeout does not occur. This ONLY occurs this slow the FIRST time the search is run, after that it takes like 5 secs. I am wondering should I take a different approach to this problem, should I worry about this type of performance issue if it does not timeout?

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  • Create Advanced Panoramas with Microsoft Image Composite Editor

    - by Matthew Guay
    Do you enjoy making panoramas with your pictures, but want more features than tools like Live Photo Gallery offer?  Here’s how you can create amazing panoramas for free with the Microsoft Image Composite Editor. Yesterday we took a look at creating panoramic photos in Windows Live Photo Gallery. Today we take a look at a free tool from Microsoft that will give you more advanced features to create your own masterpiece. Getting Started Download Microsoft Image Composite Editor from Microsoft Research (link below), and install as normal.  Note that there are separate version for 32 & 64-bit editions of Windows, so make sure to download the correct one for your computer. Once it’s installed, you can proceed to create awesome panoramas and extremely large image combinations with it.  Microsoft Image Composite Editor integrates with Live Photo Gallery, so you can create more advanced panoramic pictures directly.  Select the pictures you want to combine, click Extras in the menu bar, and select Create Image Composite. You can also create a photo stitch directly from Explorer.  Select the pictures you want to combine, right-click, and select Stitch Images… Or, simply launch the Image Composite Editor itself and drag your pictures into its editor.  Either way you start a image composition, the program will automatically analyze and combine your images.  This application is optimized for multiple cores, and we found it much faster than other panorama tools such as Live Photo Gallery. Within seconds, you’ll see your panorama in the top preview pane. From the bottom of the window, you can choose a different camera motion which will change how the program stitches the pictures together.  You can also quickly crop the picture to the size you want, or use Automatic Crop to have the program select the maximum area with a continuous picture.   Here’s how our panorama looked when we switched the Camera Motion to Planar Motion 2. But, the real tweaking comes in when you adjust the panorama’s projection and orientation.  Click the box button at the top to change these settings. The panorama is now overlaid with a grid, and you can drag the corners and edges of the panorama to change its shape. Or, from the Projection button at the top, you can choose different projection modes. Here we’ve chosen Cylinder (Vertical), which entirely removed the warp on the walls in the image.  You can pan around the image, and get the part you find most important in the center.  Click the Apply button on the top when you’re finished making changes, or click Revert if you want to switch to the default view settings. Once you’ve finished your masterpiece, you can export it easily to common photo formats from the Export panel on the bottom.  You can choose to scale the image or set it to a maximum width and height as well.  Click Export to disk to save the photo to your computer, or select Publish to Photosynth to post your panorama online. Alternately, from the File menu you can choose to save the panorama as .spj file.  This preserves all of your settings in the Image Composite Editor so you can edit it more in the future if you wish.   Conclusion Whether you’re trying to capture the inside of a building or a tall tree, the extra tools in Microsoft Image Composite Editor let you make nicer panoramas than you ever thought possible.  We found the final results surprisingly accurate to the real buildings and objects, especially after tweaking the projection modes.  This tool can be both fun and useful, so give it a try and let us know what you’ve found it useful for. Works with 32 & 64-bit versions of XP, Vista, and Windows 7 Link Download Microsoft Image Composite Editor Similar Articles Productive Geek Tips Change or Set the Greasemonkey Script Editor in FirefoxNew Vista Syntax for Opening Control Panel Items from the Command-lineTune Your ClearType Font Settings in Windows VistaChange the Default Editor From Nano on Ubuntu LinuxMake MSE Create a Restore Point Before Cleaning Malware TouchFreeze Alternative in AutoHotkey The Icy Undertow Desktop Windows Home Server – Backup to LAN The Clear & Clean Desktop Use This Bookmarklet to Easily Get Albums Use AutoHotkey to Assign a Hotkey to a Specific Window Latest Software Reviews Tinyhacker Random Tips Xobni Plus for Outlook All My Movies 5.9 CloudBerry Online Backup 1.5 for Windows Home Server Snagit 10 Get a free copy of WinUtilities Pro 2010 World Cup Schedule Boot Snooze – Reboot and then Standby or Hibernate Customize Everything Related to Dates, Times, Currency and Measurement in Windows 7 Google Earth replacement Icon (Icons we like) Build Great Charts in Excel with Chart Advisor

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  • Learning Python from Beginner to Advanced level

    - by Christofer Bogaso
    I have some problems in my hand and would like to resolve them by myself (rather than hiring some professional, obviously due to cash problem!): build a really good website (planning to set-up my own start-up). build some good software (preferrably with exe installation files) on many mathematical and statistical techniques. To accomplish those tasks, is it worth to learn Python in advance level? I have advanced programming experiences with R and Matlab and VBA (and some sort of C), however not anything on Python. Be very grateful if experts put some guidance here. Thanks for your time.

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  • Joomla and Google Analytics advanced options in tracking code

    - by miako
    I want to insert google analytics tracking code in my joomla site. so i registered in the official site of google and saw there is an advanced tab with three more options than standard. Do i have to check "i want to track dynamic pages" and "i want to track php pages"? Do these options provide me better results or they are necessary for a dynamic site based on php like joomla? Does anyone know the process of installing? because i didn't manage to make it work by following this Also where do i place the tracking code? Because of some bugs some say it is better just after the tag <body> whereas other say just before the tag </body>. Thank you

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  • Dirt compression from vehicle tires

    - by Mungoid
    So I kinda have this working but its not correct because it just averages, so I wanted to know if anyone here has any ideas. I'm trying to simulate loose dirt compression under the tires of a vehicle to reduce the potential bumpiness of 'chunky' terrain. Currently how I do this is that I have a bounding box shape around my tires, set a little lower so they intersect with the terrain. Each frame, I (currently) average all of the heights of each point in the terrain that are within the box bounds of that tire, and then set them all to that average. Clearly this won't work in most cases because, for example, if i'm on a hill, the terrain will deform way too much. One way I thought was to have a max and min amount the points could raise and lower but that still doesn't seem to work properly and sometimes looks more like steps than smooth dirt. I wanna say that there is probably a bit more to this that what i'm currently doing but I am not sure where to look. Could anyone here shed some light on this subject? Would I benefit any by maybe looking up some smoothing algorith or something similar?

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  • Ghost Records, Backups, and Database Compression…With a Pinch of Security Considerations

    - by Argenis
      Today Jeffrey Langdon (@jlangdon) posed on #SQLHelp the following questions: So I set to answer his question, and I said to myself: “Hey, I haven’t blogged in a while, how about I blog about this particular topic?”. Thus, this post was born. (If you have never heard of Ghost Records and/or the Ghost Cleanup Task, go see this blog post by Paul Randal) 1) Do ghost records get copied over in a backup? If you guessed yes, you guessed right. The backup process in SQL Server takes all data as it is on disk – it doesn’t crack the pages open to selectively pick which slots have actual data and which ones do not. The whole page is backed up, regardless of its contents. Even if ghost cleanup has run and processed the ghost records, the slots are not overwritten immediately, but rather until another DML operation comes along and uses them. As a matter of fact, all of the allocated space for a database will be included in a full backup. So, this poses a bit of a security/compliance problem for some of you DBA folk: if you want to take a full backup of a database after you’ve purged sensitive data, you should rebuild all of your indexes (with FILLFACTOR set to 100%). But the empty space on your data file(s) might still contain sensitive data! A SHRINKFILE might help get rid of that (not so) empty space, but that might not be the end of your troubles. You might _STILL_ have (not so) empty space on your files! One approach that you can follow is to export all of the data on your database to another SQL Server instance that does NOT have Instant File Initialization enabled. This can be a tedious and time-consuming process, though. So you have to weigh in your options and see what makes sense for you. Snapshot Replication is another idea that comes to mind. 2) Does Compression get rid of ghost records (2008)? The answer to this is no. The Ghost Records/Ghost Cleanup Task mechanism is alive and well on compressed tables and indexes. You can prove this running a simple script: CREATE DATABASE GhostRecordsTest GO USE GhostRecordsTest GO CREATE TABLE myTable (myPrimaryKey int IDENTITY(1,1) PRIMARY KEY CLUSTERED,                       myWideColumn varchar(1000) NOT NULL DEFAULT 'Default string value')                         ALTER TABLE myTable REBUILD PARTITION = ALL WITH (DATA_COMPRESSION = PAGE) GO INSERT INTO myTable DEFAULT VALUES GO 10 DELETE myTable WHERE myPrimaryKey % 2 = 0 DBCC TRACEON(2514) DBCC CHECKTABLE(myTable) TraceFlag 2514 will make DBCC CHECKTABLE give you an extra tidbit of information on its output. For the above script: “Ghost Record count = 5” Until next time,   -Argenis

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  • Ghost Records, Backups, and Database Compression…With a Pinch of Security Considerations

    - by Argenis
      Today Jeffrey Langdon (@jlangdon) posed on #SQLHelp the following questions: So I set to answer his question, and I said to myself: “Hey, I haven’t blogged in a while, how about I blog about this particular topic?”. Thus, this post was born. (If you have never heard of Ghost Records and/or the Ghost Cleanup Task, go see this blog post by Paul Randal) 1) Do ghost records get copied over in a backup? If you guessed yes, you guessed right. The backup process in SQL Server takes all data as it is on disk – it doesn’t crack the pages open to selectively pick which slots have actual data and which ones do not. The whole page is backed up, regardless of its contents. Even if ghost cleanup has run and processed the ghost records, the slots are not overwritten immediately, but rather until another DML operation comes along and uses them. As a matter of fact, all of the allocated space for a database will be included in a full backup. So, this poses a bit of a security/compliance problem for some of you DBA folk: if you want to take a full backup of a database after you’ve purged sensitive data, you should rebuild all of your indexes (with FILLFACTOR set to 100%). But the empty space on your data file(s) might still contain sensitive data! A SHRINKFILE might help get rid of that (not so) empty space, but that might not be the end of your troubles. You might _STILL_ have (not so) empty space on your files! One approach that you can follow is to export all of the data on your database to another SQL Server instance that does NOT have Instant File Initialization enabled. This can be a tedious and time-consuming process, though. So you have to weigh in your options and see what makes sense for you. Snapshot Replication is another idea that comes to mind. 2) Does Compression get rid of ghost records (2008)? The answer to this is no. The Ghost Records/Ghost Cleanup Task mechanism is alive and well on compressed tables and indexes. You can prove this running a simple script: CREATE DATABASE GhostRecordsTest GO USE GhostRecordsTest GO CREATE TABLE myTable (myPrimaryKey int IDENTITY(1,1) PRIMARY KEY CLUSTERED,                       myWideColumn varchar(1000) NOT NULL DEFAULT 'Default string value')                         ALTER TABLE myTable REBUILD PARTITION = ALL WITH (DATA_COMPRESSION = PAGE) GO INSERT INTO myTable DEFAULT VALUES GO 10 DELETE myTable WHERE myPrimaryKey % 2 = 0 DBCC TRACEON(2514) DBCC CHECKTABLE(myTable) TraceFlag 2514 will make DBCC CHECKTABLE give you an extra tidbit of information on its output. For the above script: “Ghost Record count = 5” Until next time,   -Argenis

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  • How to implement friction in a physics engine based on "Advanced Character Physics"

    - by paldepind
    I have implemented a physics engine based on the concepts in the classic text Advanced Character Physics by Thomas Jakobsen. Friction is only discussed very briefly in the article and Jakobsen himself notes how "other and better friction models than this could and should be implemented." Generally how could one implement a believable friction model on top of the concepts from the mentioned article? And how could the found friction be translated into rotation on a circle? I do not want this question to be about my specific implementation but about how to combine Jakobsens ideas with a great friction system more generally. But here is a live demo showing the current state of my engine which does not handle friction in any way: http://jsfiddle.net/Z7ECB/embedded/result/ Below is a picture showing and example on how collision detection could work in an engine based in the paper. In the Verlet integration the current and previous position is always stored. Based on these a new position is calculated. In every frame I calculate the distance between the circles and the lines. If this distance is less than a circles radius a collision has occurred and the circle is projected perpendicular out of the offending line according to the size of the overlap (offset on the picture). Velocity is implicit due to Verlet integration so changing position also changes the velocity. What I need to do know is to somehow determine the amount of friction on the circle and move it backwards parallel to the line in order to reduce its speed.

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  • Announcing: Oracle Enterprise Manager 12c Delivers Advanced Self-Service Automation for Oracle Database 12c Multitenant

    - by Scott McNeil
    New Self-Service Driven Provisioning of Pluggable Databases Today Oracle announced new capabilities that support managing the full lifecycle of pluggable database as a service in Oracle Enterprise Manager 12c Release 3 (12.1.0.3). This latest release builds on the existing capabilities to provide advanced automation for deploying database as a service using Oracle Database 12c Multitenant option. It takes it one step further by offering pluggable database as a service through Oracle Enterprise Manager 12c self-service portal providing customers with fast provisioning of database cloud services with minimal time and effort. This is a significant addition to Oracle Enterprise Manager 12c’s existing portfolio of cloud services that includes infrastructure as a service, database as a service, testing as a service, and Java platform as a service. The solution provides a self-service mechanism to provision pluggable databases allowing users to request and access database(s) on-demand. The self-service operations are also enabled through REST APIs allowing customers to integrate with third-party automation systems or their custom enterprise portals. Benefits Self-service provisioning allows rapid access to pluggable database as a service for hosting or certifying applications on Oracle Database 12c Self-service driven migration to pluggable database as a service in order to migrate a pre-Oracle Database 12c database to a pluggable database as a service model and test the consolidation strategy Single service catalog for all approved pluggable database as a service configurations which helps customers achieve standardization while catering to all applications and users in the enterprise Resource guarantee via database resource manager (and IORM on Oracle Exadata) that enables deployment of mixed workloads in a shared environment Quota, role based access, and policy based management that enforces governance and reduces administrative overhead Chargeback or showback which improves metering and accountability for services consumed by each pluggable database Comprehensive REST APIs that support integration with ticketing or change management systems, and or with other self-service portals Minimal administrative and maintenance overhead through self-managing automation that allows for intelligent placement of pluggable databases To understand how pluggable database as a service works, watch this quick demo: Stay Connected: Twitter | Facebook | YouTube | Linkedin | Newsletter Download the Oracle Enterprise Manager Cloud Control12c Mobile app

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  • Mal kurz erklärt: Advanced Security Option (ASO)

    - by Anne Manke
    v\:* {behavior:url(#default#VML);} o\:* {behavior:url(#default#VML);} w\:* {behavior:url(#default#VML);} .shape {behavior:url(#default#VML);} Heinz-Wilhelm Fabry 12.00 Normal 0 false false false false EN-US X-NONE X-NONE MicrosoftInternetExplorer4 /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-priority:99; mso-style-qformat:yes; mso-style-parent:""; mso-padding-alt:0cm 5.4pt 0cm 5.4pt; mso-para-margin-top:0cm; mso-para-margin-right:0cm; mso-para-margin-bottom:12.0pt; mso-para-margin-left:0cm; mso-pagination:widow-orphan; font-size:11.0pt; font-family:"Calibri","sans-serif"; mso-ascii-font-family:Calibri; mso-ascii-theme-font:minor-latin; mso-hansi-font-family:Calibri; mso-hansi-theme-font:minor-latin; mso-bidi-font-family:"Times New Roman"; mso-bidi-theme-font:minor-bidi;} Heinz-Wilhelm Fabry 12.00 Normal 0 false false false EN-US X-NONE X-NONE MicrosoftInternetExplorer4 /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-priority:99; mso-style-qformat:yes; mso-style-parent:""; mso-padding-alt:0cm 5.4pt 0cm 5.4pt; mso-para-margin-top:0cm; mso-para-margin-right:0cm; mso-para-margin-bottom:12.0pt; mso-para-margin-left:0cm; mso-pagination:widow-orphan; font-size:11.0pt; font-family:"Calibri","sans-serif"; mso-ascii-font-family:Calibri; mso-ascii-theme-font:minor-latin; mso-hansi-font-family:Calibri; mso-hansi-theme-font:minor-latin; mso-bidi-font-family:"Times New Roman"; mso-bidi-theme-font:minor-bidi;} WER? Kunden, die die Oracle Datenbank Enterprise Edition einsetzen und deren Sicherheitsabteilungen bzw. Fachabteilungen die Daten- und/oder Netzwerkverschlüsselung fordern und / oder die personenbezogene Daten in Oracle Datenbanken speichern und / oder die den Zugang zu Datenbanksystemen von der Eingabe Benutzername/Passwort auf Smartcards oder Kerberos umstellen wollen. Heinz-Wilhelm Fabry 12.00 Normal 0 false false false EN-US X-NONE X-NONE MicrosoftInternetExplorer4 /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-priority:99; mso-style-qformat:yes; mso-style-parent:""; mso-padding-alt:0cm 5.4pt 0cm 5.4pt; mso-para-margin-top:0cm; mso-para-margin-right:0cm; mso-para-margin-bottom:12.0pt; mso-para-margin-left:0cm; mso-pagination:widow-orphan; font-size:11.0pt; font-family:"Calibri","sans-serif"; mso-ascii-font-family:Calibri; mso-ascii-theme-font:minor-latin; mso-hansi-font-family:Calibri; mso-hansi-theme-font:minor-latin; mso-bidi-font-family:"Times New Roman"; mso-bidi-theme-font:minor-bidi;} WAS? Durch das Aktivieren der Option Advanced Security können folgende Anforderungen leicht erfüllt werden: Einzelne Tabellenspalten gezielt verschlüsselt ablegen, wenn beispielsweise der Payment Card Industry Data Security Standard (PCI DSS) oder der Europäischen Datenschutzrichtlinie eine Verschlüsselung bestimmter Daten nahelegen Sichere Datenablage – Verschlüsselung aller Anwendungsdaten Keine spürbare Performance-Veränderung Datensicherungen sind automatisch verschlüsselt - Datendiebstahl aus Backups wird verhindert Verschlüsselung der Netzwerkübertragung – Sniffer-Tools können keine lesbaren Daten abgreifen Aktuelle Verschlüsselungsalgorithmen werden genutzt (AES256, 3DES168, u.a.) Heinz-Wilhelm Fabry 12.00 Normal 0 false false false EN-US X-NONE X-NONE MicrosoftInternetExplorer4 /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-priority:99; mso-style-qformat:yes; mso-style-parent:""; mso-padding-alt:0cm 5.4pt 0cm 5.4pt; mso-para-margin-top:0cm; mso-para-margin-right:0cm; mso-para-margin-bottom:12.0pt; mso-para-margin-left:0cm; mso-pagination:widow-orphan; font-size:11.0pt; font-family:"Calibri","sans-serif"; mso-ascii-font-family:Calibri; mso-ascii-theme-font:minor-latin; mso-hansi-font-family:Calibri; mso-hansi-theme-font:minor-latin; mso-bidi-font-family:"Times New Roman"; mso-bidi-theme-font:minor-bidi;} WIE? Die Oracle Advanced Security Option ist ein wichtiger Baustein einer ganzheitlichen Sicherheitsarchitektur. Mit ihr lässt sich das Risiko eines Datenmissbrauchs erheblich reduzieren und implementiert ebenfalls den Schutz vor Nicht-DB-Benutzer, wie „root unter Unix“. Somit kann „root“ nicht mehr unerlaubterweise die Datenbank-Files lesen . ASO deckt den kompletten physikalischen Stack ab. Von der Kommunikation zwischen dem Client und der Datenbank, über das verschlüsselte Ablegen der Daten ins Dateisystem bis hin zur Aufbewahrung der Daten in einem Backupsystem. Heinz-Wilhelm Fabry 12.00 Normal 0 false false false EN-US X-NONE X-NONE MicrosoftInternetExplorer4 /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-priority:99; mso-style-qformat:yes; mso-style-parent:""; mso-padding-alt:0cm 5.4pt 0cm 5.4pt; mso-para-margin-top:0cm; mso-para-margin-right:0cm; mso-para-margin-bottom:12.0pt; mso-para-margin-left:0cm; mso-pagination:widow-orphan; font-size:11.0pt; font-family:"Calibri","sans-serif"; mso-ascii-font-family:Calibri; mso-ascii-theme-font:minor-latin; mso-hansi-font-family:Calibri; mso-hansi-theme-font:minor-latin; mso-bidi-font-family:"Times New Roman"; mso-bidi-theme-font:minor-bidi;} Das BVA (Bundesverwaltungsamt) bietet seinen Kunden mit dem neuen Personalverwaltungssystem EPOS 2.0 mehr Sicherheit durch Oracle Sicherheitstechnologien an. Heinz-Wilhelm Fabry 12.00 Normal 0 false false false EN-US X-NONE X-NONE MicrosoftInternetExplorer4 /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-priority:99; mso-style-qformat:yes; mso-style-parent:""; mso-padding-alt:0cm 5.4pt 0cm 5.4pt; mso-para-margin-top:0cm; mso-para-margin-right:0cm; mso-para-margin-bottom:12.0pt; mso-para-margin-left:0cm; mso-pagination:widow-orphan; font-size:11.0pt; font-family:"Calibri","sans-serif"; mso-ascii-font-family:Calibri; mso-ascii-theme-font:minor-latin; mso-hansi-font-family:Calibri; mso-hansi-theme-font:minor-latin; mso-bidi-font-family:"Times New Roman"; mso-bidi-theme-font:minor-bidi;} Und sonst so? Verschlüsselung des Netzwerkverkehrs Wie beeinflusst die Netzwerkverschlüsselung die Performance? Unsere Kunden bestätigen ständig, dass sie besonders in modernen Mehr-Schichten-Architekturen Anwender kaum Performance-Einbußen feststellen. Falls genauere Daten zur Performance benötigt werden, sind realitätsnahe, kundenspezifische Tests unerlässlich. Verschlüsselung von Anwendungsdaten (Transparent Data Encryption-TDE ) Muss ich meine Anwendungen umschreiben, damit sie TDE nutzen können? NEIN. TDE ist völlig transparent für Ihre Anwendungen. Kann ich nicht auch durch meine Applikation die Daten verschlüsseln? Ja - die Applikationsdaten werden dadurch allerdings nur in LOBs oder Textfeldern gespeichert. Und das hat gravierende Nachteile: Es existieren zum Beispiel keine Datums- /Zahlenfelder. Daraus folgt, dass auf diesen Daten kein sinnvolles Berichtsverfahren funktioniert. Auch können Applikationen nicht mit den Daten arbeiten, die von einer anderen Applikation verschlüsselt wurden. Der wichtigste Aspekt gegen die Verschlüsselung innerhalb einer Applikation ist allerdings die Performanz. Da keine Indizes auf die durch eine Applikation verschlüsselten Daten erstellt werden können, wird die Datenbank bei jedem Zugriff ein Full-Table-Scan durchführen, also jeden Satz der betroffenen Tabelle lesen. Dadurch steigt der Ressourcenbedarf möglicherweise enorm und daraus resultieren wiederum möglicherweise höhere Lizenzkosten. Mit ASO verschlüsselte Daten können von der Oracle DB Firewall gelesen und ausgewertet werden. Warum sollte ich TDE nutzen statt einer kompletten Festplattenverschlüsselung? TDE bietet einen weitergehenden Schutz. Denn TDE schützt auch vor Systemadministratoren, die zwar keinen Zugriff auf die Datenbank, aber auf der Betriebssystemebene Zugriff auf die Datenbankdateien haben. Ausserdem bleiben einmal verschlüsselte Daten verschlüsselt, egal wo diese hinkopiert werden. Dies ist bei einer Festplattenverschlüssung nicht der Fall. Welche Verschlüsselungsalgorithmen stehen zur Verfügung? AES (256-, 192-, 128-bit key) 3DES (3-key)

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  • Upcoming: Oracle Advanced Benefits Advisor Webcasts Announced

    - by user793553
    Oracle support is pleased to announce a new webcast covering the Open Enrollment functionality in Oracle Advanced Benefits.  The webcast is repeated on three different dates, in order to make attendance easier, whatever timezone you operate in. These one-hour sessions are recommended for technical and functional users who will be having an Open Enrollment cycle in the next 12 months.  The session will review the best proactive practices recommended by Oracle Support regardless of when your Open Enrollment takes place.  It will review planning, patching, data corruption and critical checklists. TOPICS WILL INCLUDE: Planning Ahead for Open Enrollment testing Required Patches Test performance Avoid major patching/updates Data corruption issues A short, live demonstration (only if applicable) and question and answer period will be included.  Below is the schedule for the webcasts.  The same can be found in the MyOracleSupport Document Advisor Webcast Current Schedule Doc ID 740966.1 Please follow the links to register for your chosen session. Webcast Topic and Description Registration Details Date and Time Best Benefits Practices for Open Enrollment Session 3   Doc ID 1489318.1 October 17, 2012 at 16:00 US EST Best Benefits Practices for Open Enrollment Session 4   Doc ID 1489319.1 October 31, 2012 at 16:00 US EST Product Enhancements in R12.1.3 RUP 5 Session 2   Doc ID 1489320.1 November 07, 2012 at 16:00 US EST

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  • Advanced PHP book [closed]

    - by Aaditi Sharma
    I've gone and stumbled across a lot of recommendations for PHP books, including on SO, however could not find a reasonable & convincible answer for this. Is there a really good advanced book for PHP. Background: I've done almost 8 months in PHP. I know the basics. I go through php.net very often. I've played around with Codeigniter, amongst other frameworks. I've been doing JavaScript for almost 2 years, and specifically thank Douglas Crockford for this, I completely changed the way I code JavaScript. I spend a lot of time travelling, and would love to read a book about PHP, that includes the awesome parts and even when something doesn't quite work in PHP. (As a note a lot of previous answers on SO and programmers give varied results.) I have to place an order through a library which has it's limitations. One book that some of experienced PHP programmers could recommend would be helpful. I have gone through http://stackoverflow.com/questions/1711/what-is-the-single-most-influential-book-every-programmer-should-read and http://stackoverflow.com/questions/194812/list-of-freely-available-programming-books, which do NOT have books related to PHP.

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  • Address Regulatory Mandates for Data Encryption Without Changing Your Applications

    - by Troy Kitch
    The Payment Card Industry Data Security Standard, US state-level data breach laws, and numerous data privacy regulations worldwide all call for data encryption to protect personally identifiable information (PII). However encrypting PII data in applications requires costly and complex application changes. Fortunately, since this data typically resides in the application database, using Oracle Advanced Security, PII can be encrypted transparently by the Oracle database without any application changes. In this ISACA webinar, learn how Oracle Advanced Security offers complete encryption for data at rest, in transit, and on backups, along with built-in key management to help organizations meet regulatory requirements and save money. You will also hear from TransUnion Interactive, the consumer subsidiary of TransUnion, a global leader in credit and information management, which maintains credit histories on an estimated 500 million consumers across the globe, about how they addressed PCI DSS encryption requirements using Oracle Database 11g with Oracle Advanced Security. Register to watch the webinar now.

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  • Payback Is The Coupon King

    - by Troy Kitch
    PAYBACK GmbH operates the largest marketing and couponing platforms in the world—with more than 50 million subscribers in Germany, Poland, India, Italy, and Mexico.  The Security Challenge Payback handles millions of requests for customer loyalty coupons and card-related transactions per day under tight latency constraints—with up to 1,000 attributes or more for each PAYBACK subscriber. Among the many challenges they solved using Oracle, they had to ensure that storage of sensitive data complied with the company’s stringent privacy standards aimed at protecting customer and purchase information from unintended disclosure. Oracle Advanced Security The company deployed Oracle Advanced Security to achieve reliable, cost-effective data protection for back-up files and gain the ability to transparently encrypt data transfers. By using Oracle Advanced Security, organizations can comply with privacy and regulatory mandates that require encrypting and redacting (display masking) application data, such as credit cards, social security numbers, or personally identifiable information (PII). Learn more about how PAYBACK uses Oracle.

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  • Weird unexpected image compression on a web server running Apache on Ubuntu?

    - by Billy Bob Thornton
    I have a weird problem on my production web server running Apache on Ubuntu: it compresses my images thereby dramatically lowering their quality! Actually I have two virtual hosts running, each located in a different folder. Wether I display .gif images by navigating on the two sites, or acceding them directly by their url, their size and quality are invariably degraded. I tried with three different browsers: same problem. Using them on other sites on the Web: no problem. Of course I disabled mod_deflate on the server (which should not compress images anyway), but the phenomenon remains. On my local développement server, running the same configuration, everything is Ok. Now I'm completely lost! For the record, my configuration: Ubuntu 10.04, Apache 2, Php 5.

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  • Why SQL Developer Rocks for the Advanced User Too

    - by thatjeffsmith
    While SQL Developer may be ‘perfect for Oracle beginners,’ that doesn’t preclude advanced and intermediate users from getting their fair share of toys! I’ve been working with Oracle since the 7.3.4 days, and I think it’s pretty safe to say that the WAY an ‘old timer’ uses a tool like SQL Developer is radically different than the ‘beginner.’ If you’ve been reluctant to use SQL Developer because it’s a GUI, give me a few minutes to try to convince you it’s worth a second (or third) look. 1. Help when you want it, and only when you want it One of the biggest gripes any user has with a piece of software is when said software can’t get out of it’s own way. When you’re typing in a word processor, sometimes you can do without the grammar and spelling checks, the offer to auto-complete your words, and all of the additional mark-up. This drives folks to programs like Notepad++ and vi. You can disable the code insight feature so you can type unmolested by SQL Developer’s attempt to auto-complete your object names. Now, if you happen to come across a long or hard to spell object name, you can still invoke the feature on demand using Ctrl+Spacebar Code Editor – Completion Insight – Enable Completion Auto-Popup (Keyword being Auto) 2. Automatic File Tracking SQL*Minus is nice. Vi is cool. Notepad++ has a lot of features I like. But not too many editors offer automatic logging of changes to your files without having to setup a source control system. I was doing some work on my login.sql. I’m not doing anything crazy, but seeing what I had done in previous iterations was helpful. Now imagine how nice it would be to have this available for your l,000+ line scripts! Track your scripts as they change, no setup required! 3. Extend the Functionality Know SQL and XML? Wish SQL Developer did JUST a little bit more? Build your own extensions. You can have custom context menus and object pages in just a few minutes. This is an example of lazy developers writing code that write code. 4. Get Your Money’s Worth You’ve licensed Enterprise Edition. You got your Diagnostic and Tuning packs. Now start using them! Not everyone has access to Enterprise Manager, especially developers. But that doesn’t mean they don’t need help with troubleshooting and optimizing poorly performing SQL statements. ASH, AWR, Real-Time SQL Monitoring and the SQL Tuning Advisor are built into the Reports and Worksheet. Yes you could make the package calls, but that’s a whole lot of typing, and I’d rather just get to the results. 5. Profile, Debug, & Unit Testing PLSQL An Interactive Development Environment (IDE) built by the same folks that own the programming language (Hello – Oracle PLSQL!) should be complete. It should ‘hug’ the developer and empower them to churn out programs that work, run fast, and are easy to maintain. Write it, test it, debug it, and tune it. When you’re running your programs and you just want to see the data that’s returned, that shouldn’t require any special settings or workaround to make it happen either. Magic! And a whole lot more… I could go on and talk about the support for things like DataPump, RMAN, and DBMS_SCHEDULER, but you’re experts and you’re plenty busy. If you think SQL Developer is falling short somewhere, I want you to let us know about it.

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  • Unable to make properly work the Ralink rt3090 wifi card on my Lenovo B575 with Kubuntu 12.04 64bit

    - by Sebastien
    I look and tried many solution from many thread but I still unable to make this wifi card work properly (very slow, unable to connect to some wifi spot, etc.). I tried to compile the driver from the ralink website but it doesn't work. Tried to blacklist many mod, withou any result. So here are some command results, hope their help you help me: lspci sebastien@sebastien-portable:~$ lspci 00:00.0 Host bridge: Advanced Micro Devices [AMD] Family 14h Processor Root Complex 00:01.0 VGA compatible controller: Advanced Micro Devices [AMD] nee ATI Wrestler [Radeon HD 6310] 00:01.1 Audio device: Advanced Micro Devices [AMD] nee ATI Wrestler HDMI Audio [Radeon HD 6250/6310] 00:11.0 SATA controller: Advanced Micro Devices [AMD] nee ATI SB7x0/SB8x0/SB9x0 SATA Controller [AHCI mode] 00:12.0 USB controller: Advanced Micro Devices [AMD] nee ATI SB7x0/SB8x0/SB9x0 USB OHCI0 Controller 00:12.2 USB controller: Advanced Micro Devices [AMD] nee ATI SB7x0/SB8x0/SB9x0 USB EHCI Controller 00:13.0 USB controller: Advanced Micro Devices [AMD] nee ATI SB7x0/SB8x0/SB9x0 USB OHCI0 Controller 00:13.2 USB controller: Advanced Micro Devices [AMD] nee ATI SB7x0/SB8x0/SB9x0 USB EHCI Controller 00:14.0 SMBus: Advanced Micro Devices [AMD] nee ATI SBx00 SMBus Controller (rev 42) 00:14.2 Audio device: Advanced Micro Devices [AMD] nee ATI SBx00 Azalia (Intel HDA) (rev 40) 00:14.3 ISA bridge: Advanced Micro Devices [AMD] nee ATI SB7x0/SB8x0/SB9x0 LPC host controller (rev 40) 00:14.4 PCI bridge: Advanced Micro Devices [AMD] nee ATI SBx00 PCI to PCI Bridge (rev 40) 00:14.5 USB controller: Advanced Micro Devices [AMD] nee ATI SB7x0/SB8x0/SB9x0 USB OHCI2 Controller 00:15.0 PCI bridge: Advanced Micro Devices [AMD] nee ATI SB700/SB800/SB900 PCI to PCI bridge (PCIE port 0) 00:15.2 PCI bridge: Advanced Micro Devices [AMD] nee ATI SB900 PCI to PCI bridge (PCIE port 2) 00:18.0 Host bridge: Advanced Micro Devices [AMD] Family 12h/14h Processor Function 0 (rev 43) 00:18.1 Host bridge: Advanced Micro Devices [AMD] Family 12h/14h Processor Function 1 00:18.2 Host bridge: Advanced Micro Devices [AMD] Family 12h/14h Processor Function 2 00:18.3 Host bridge: Advanced Micro Devices [AMD] Family 12h/14h Processor Function 3 00:18.4 Host bridge: Advanced Micro Devices [AMD] Family 12h/14h Processor Function 4 00:18.5 Host bridge: Advanced Micro Devices [AMD] Family 12h/14h Processor Function 6 00:18.6 Host bridge: Advanced Micro Devices [AMD] Family 12h/14h Processor Function 5 00:18.7 Host bridge: Advanced Micro Devices [AMD] Family 12h/14h Processor Function 7 02:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168B PCI Express Gigabit Ethernet controller (rev 06) 03:00.0 Network controller: Ralink corp. RT3090 Wireless 802.11n 1T/1R PCIe lsmod sebastien@sebastien-portable:~$ lsmod Module Size Used by rt2800pci 18715 0 arc4 12529 2 rt2800lib 58925 1 rt2800pci crc_ccitt 12667 1 rt2800lib rt2x00pci 14577 1 rt2800pci rt2x00lib 55301 3 rt2800pci,rt2800lib,rt2x00pci mac80211 506816 3 rt2800lib,rt2x00pci,rt2x00lib cfg80211 205544 2 rt2x00lib,mac80211 eeprom_93cx6 12725 1 rt2800pci rt2860sta 864748 0 snd_hda_codec_conexant 62128 1 snd_hda_codec_hdmi 32474 1 uvcvideo 72627 0 rts5139 351143 0 snd_hda_intel 33773 4 videodev 98259 1 uvcvideo snd_hda_codec 127706 3 snd_hda_codec_conexant,snd_hda_codec_hdmi,snd_hda_intel snd_hwdep 13668 1 snd_hda_codec psmouse 87692 0 v4l2_compat_ioctl32 17128 1 videodev serio_raw 13211 0 k10temp 13166 0 snd_pcm 97188 3 snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec sp5100_tco 13791 0 i2c_piix4 13301 0 snd_seq_midi 13324 0 snd_rawmidi 30748 1 snd_seq_midi ideapad_laptop 18234 0 sparse_keymap 13890 1 ideapad_laptop rfcomm 47604 0 joydev 17693 0 snd_seq_midi_event 14899 1 snd_seq_midi bnep 18281 2 bluetooth 180104 10 rfcomm,bnep parport_pc 32866 0 ppdev 17113 0 snd_seq 61896 2 snd_seq_midi,snd_seq_midi_event snd_timer 29990 2 snd_pcm,snd_seq snd_seq_device 14540 3 snd_seq_midi,snd_rawmidi,snd_seq snd 78855 18 snd_hda_codec_conexant,snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec,snd_hwdep,snd_pcm,snd_rawmidi,snd_seq,snd_timer,snd_seq_device soundcore 15091 1 snd mac_hid 13253 0 snd_page_alloc 18529 2 snd_hda_intel,snd_pcm lp 17799 0 parport 46562 3 parport_pc,ppdev,lp usbhid 47199 0 hid 99559 1 usbhid r8169 62099 0 radeon 804372 4 video 19596 0 wmi 19256 0 ttm 76949 1 radeon drm_kms_helper 46978 1 radeon drm 242038 6 radeon,ttm,drm_kms_helper i2c_algo_bit 13423 1 radeon iwconfig sebastien@sebastien-portable:~$ iwconfig lo no wireless extensions. wlan0 IEEE 802.11bgn ESSID:"4CE6763F0E0A" Mode:Managed Frequency:2.452 GHz Access Point: 4C:E6:76:3F:0E:0A Bit Rate=54 Mb/s Tx-Power=20 dBm Retry long limit:7 RTS thr:off Fragment thr:off Power Management:off Link Quality=70/70 Signal level=-39 dBm Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0 Tx excessive retries:0 Invalid misc:100 Missed beacon:0 eth0 no wireless extensions.

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