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• Version Control without CVS

  - by Lo Wai Lun

  My partners and I have been building an application that requires users to authenticate with password and user ID for member registration and transaction. Very often, tasks for designing UI, Datagrid view event trigger and data access using SQL are allocated to different person. Sometimes, there are different versions to be updated but the database structure used are different If everybody finishes their own part and submit the project on their own onto the shared cloud rivers, there must be a huge cost for software maintenance and re-engineering. How should the task to be submitted so as to minimize the cost for re-engineering without the software like winCVS and Tortoise HG?

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• Point dns server to root dns servers [duplicate]

  - by Dhaksh

  This question already has an answer here: What is a glue record? 3 answers Why does DNS work the way it does? 4 answers I have setup a custom authoritative only DNS server using bind9. Its a Master ans Slave method. Assume DNS Servers are: ns1.customdnsserver.com [192.168.91.129] ==> Master ns2.customdnsserver.com [192.168.91.130] ==> Slave Now i will host few shared hosting websites in my own web server. Where i will link above Nameservers to my domains in shared hosting. My Question is: How do i tell root DNS servers about my own authoritative only DNS server? So that when someone queries for domain www.example.com and if the domain's website is hosted in my shared hosting i want root servers to point the query to my own DNS Server so that the www.example.com get resolved for IP address.

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• SCCM2012 R2 – How to integrate MDT with SCCM

  - by Waclaw Chrabaszcz

  Originally posted on: http://geekswithblogs.net/Wchrabaszcz/archive/2013/11/12/sccm2012-r2--how-to-integrate-mdt-with-sccm.aspxThere are two maybe not competitive but parallel products: Microsoft Deployment Toolkit and System Center Configuration manager. Few years ago I was wondering why they are separate, I why I cannot share Task Sequences between them. And how it usually happens in live, when I was focused on other technologies, MDT and SCCM became best friends. Let's integrate MDT with SCCM: If first step you need to download MDT http://www.microsoft.com/en-us/download/details.aspx?id=25175 Install MDT on your SCCM server boxaccept the EULA Join CEIP if you like  Once you completed the installation I would recommend you to complete MDT configuring before integration with the SCCM. Start the Deployment Workbenchinstall updatesyou will need to download and install WAIKcreate new deployment shareleave default values Create MDT databaseMake sure you will create separate database, DO NOT use existing SCCM DB Now we are ready to integrate MDT with SCCMthe Integration tool should discover your server automaticallyAfter reopening SCCM console in task sequences you should have new cool features: How to use them? That's another story …

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• Is running "milli"-benchmarks a good idea?

  - by Konstantin Weitz

  I just came across the Caliper project and it looks very nice. Reading the introduction to microbenchmarks, one gets the feeling that the developers would not suggest to use the framework if the benchmark takes longer than a second or so. I looked at the code and it looks like a RuntimeOutOfRangeException is actually thrown if a scenario takes longer than 10s to execute. Could you explain to me what the problems are with running larger benchmarks? My motivation for using Caliper was to compare two join-algorithm implementations. Those will definitely run for quite some time and will do some disk IO, yet running the entire database would make it hard to do the comparison, because the configuration of the algorithms and the visualization of the results would be a pain.

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• Powershell (sqlps) lastbackupdate not changing despite having run a sqlserver backup

  - by user1666376

  I'm using Powershell to check last backup times across all our sqlserver databases. This seems to work really well, but I've got a question If I run this (a cut-down version of the actual script): dir SQLSERVER:\SQL\Server1\default\databases | select parent, name, lastbackupdate I get: Parent Name LastBackupDate ------ ---- -------------- [Server1] ADBA 10/09/2012 21:15:37 [Server1] ReportServer 10/09/2012 21:00:17 [Server1] ReportServerTempDB 10/09/2012 21:00:18 [Server1] db1 10/09/2012 21:15:35 If I then run a sql backup of the Server1 default instance, and run the same query the last backup date doesn't change: PS C:\temp> dir SQLSERVER:\SQL\Server1\default\databases | select parent, name, lastbackupdate Parent Name LastBackupDate ------ ---- -------------- [Server1] ADBA 10/09/2012 21:15:37 [Server1] ReportServer 10/09/2012 21:00:17 [Server1] ReportServerTempDB 10/09/2012 21:00:18 [Server1] db1 10/09/2012 21:15:35 ..but if I open a new powershell window, it shows the backup I just took: PS SQLSERVER:\> dir SQLSERVER:\SQL\Server1\default\databases | select parent, name, lastbackupdate Parent Name LastBackupDate ------ ---- -------------- [server1] ADBA 12/09/2012 09:03:23 [server1] ReportServer 12/09/2012 08:48:03 [server1] ReportServerTempDB 12/09/2012 08:48:04 [server1] db1 12/09/2012 09:03:21 My guess is that this is expected behaviour, but could anybody show me where it's documented/explained - I just want to understand what's going on. This is running the SQlps which came with 2008, against a 2008 instance. Thanks Matt

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• Microsoft Press Deal of the day 4/Sep/2012 - Programming Microsoft® SQL Server® 2012

  - by TATWORTH

  Today's deal of the day from Microsoft Press at http://shop.oreilly.com/product/0790145322357.do?code=MSDEAL is Programming Microsoft® SQL Server® 2012 "Your essential guide to key programming features in Microsoft® SQL Server® 2012 Take your database programming skills to a new level—and build customized applications using the developer tools introduced with SQL Server 2012. This hands-on reference shows you how to design, test, and deploy SQL Server databases through tutorials, practical examples, and code samples. If you’re an experienced SQL Server developer, this book is a must-read for learning how to design and build effective SQL Server 2012 applications."

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• SQL Performance Problem IA64

  - by Vendoran

  We’ve got a performance problem in production. QA and DEV environments are 2 instances on the same physical server: Windows 2003 Enterprise SP2, 32 GB RAM, 1 Quad 3.5 GHz Intel Xeon X5270 (4 cores x64), SQL 2005 SP3 (9.0.4262), SAN Drives Prod: Windows 2003 Datacenter SP2, 64 GB RAM, 4 Dual Core 1.6 GHz Intel Family 80000002, Model 6 Itanium (8 cores IA64), SQL 2005 SP3 (9.0.4262), SAN Drives, Veritas Cluster I am seeing excessive Signal Wait Percentages ( 250%) and Page Reads /s (50) and Page Writes /s (25) are both high occasionally. I did test this query on both QA and PROD and it has the same execution plan and even the same stats: SELECT top 40000000 * INTO dbo.tmp_tbl FROM dbo.tbl GO Scan count 1, logical reads 429564, physical reads 0, read-ahead reads 0, lob logical reads 0, lob physical reads 0, lob read-ahead reads 0. As you can see it’s just logical reads, however: QA: 0:48 Prod: 2:18 So It seems like a processor related issue, however I’m not sure where to go next, any ideas? Thanks, Aaron

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• Game Components, Game Managers and Object Properties

  - by George Duckett

  I'm trying to get my head around component based entity design. My first step was to create various components that could be added to an object. For every component type i had a manager, which would call every component's update function, passing in things like keyboard state etc. as required. The next thing i did was remove the object, and just have each component with an Id. So an object is defined by components having the same Ids. Now, i'm thinking that i don't need a manager for all my components, for example i have a SizeComponent, which just has a Size property). As a result the SizeComponent doesn't have an update method, and the manager's update method does nothing. My first thought was to have an ObjectProperty class which components could query, instead of having them as properties of components. So an object would have a number of ObjectProperty and ObjectComponent. Components would have update logic that queries the object for properties. The manager would manage calling the component's update method. This seems like over-engineering to me, but i don't think i can get rid of the components, because i need a way for the managers to know what objects need what component logic to run (otherwise i'd just remove the component completely and push its update logic into the manager). Is this (having ObjectProperty, ObjectComponent and ComponentManager classes) over-engineering? What would be a good alternative?

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• How can I prevent my domain controller doing forward lookups for remote users?

  - by markmnl

  I have a Windows Server 2003 server in the office. I VPN into the LAN remotely. My VPN has a virtual NIC with the Windows Server as the primary DNS since it is a domain controller. When connected to the VPN and I do an nslookup or simply browse the web the DNS from the VPN provides the DNS answers. I believe this is because it has DNS forwarders, so queries it can't answer are forwarded and then it relays the answer. This is the desired behavior for workstations in the office (they should query their domain controller first); however for remote VPN users this is not desirable. I do not want my remote office's server to answer DNS queries it is not the authority of (which happens to be 192.168.x.x). Is there any way I can configure this?

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• SQL Server Column Level Encryption - Rotating Keys

  - by BarDev

  We are thinking about using SQL Server Column (cell) Level Encryption for sensitive data. There should be no problem when we initially encryption the column, but we have requirements that every year the Encryption Key needs to change. It seems that this requirement may be problem. Assumption: The table that includes the column that has sensitive data will have 500 million records. Below are the steps we have thought about implementing. During the encryption/decryption process is the data online, and also how long would this process take? Initially encrypt the column New Year Decrypt the column Encrypt the column with new key. Question : When the column is being decrypted/encrypted is the data online (available to be query)? Does SQL Server provide feature that allows for key changes while the data is online? BarDev

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• Oracle Linux Partner Pavilion Spotlight

  - by Ted Davis

  With the first day of Oracle OpenWorld starting in less than a week, we wanted to showcase some of our premier partners exhibiting in the Oracle Linux Partner Pavilion ( Booth #1033) this year. We have Independent Hardware Vendors, Independent Software Vendors and Systems Integrators that show the breadth of support in the Oracle Linux and Oracle VM ecosystem. We'll be highlighting partners all week so feel free to come back check us out. Centrify delivers integrated software and cloud-based solutions that centrally control, secure and audit access to cross-platform systems, mobile devices and applications by leveraging the infrastructure organizations already own. From the data center and into the cloud, more than 4,500 organizations, including 40 percent of the Fortune 50 and more than 60 Federal agencies, rely on Centrify's identity consolidation and privilege management solutions to reduce IT expenses, strengthen security and meet compliance requirements. Visit Centrify at Oracle OpenWorld 2102 for a look at Centrify Suite and see how you can streamline security management on Oracle Linux.  Unify identities across the enterprise and remove the pain and security issues associated with managing local user accounts by leveraging Active Directory Implement a least-privilege security model with flexible, role-based controls that protect privileged operations while still granting users the privileges they need to perform their job Get a central, global view of audited user sessions across your Oracle Linux environment  "Data Intensity's cloud infrastructure leverages Oracle VM and Oracle Linux to provide highly available enterprise application management solutions.  Engineers will be available to answer questions about and demonstrate the technology, including management tools, configuration do's and don'ts, high availability, live migration, integrating the technology with Oracle software, and how the integrated support process works."    Mellanox’s end-to-end InfiniBand and Ethernet server and storage interconnect solutions deliver the highest performance, efficiency and scalability for enterprise, high-performance cloud and web 2.0 applications. Mellanox’s interconnect solutions accelerate Oracle RAC query throughput performance to reach 50Gb/s compared to TCP/IP based competing solutions that cap off at less than 12Gb/s. Mellanox solutions help Oracle’s Exadata to deliver 10X performance boost at 50% Hardware cost making it the world’s leading database appliance. Thanks for reviewing today's Partner spotlight. We will highlight new partners each day this week leading up to Oracle OpenWorld.

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• Issues when upgrading gnome-session

  - by Gabriel A. Zorrilla

  I'm having issues since yesterday after an upgrade. GNOME session got messed up somehow and now i cannot install further upgrades nor new apps. Here is what i got from terminal after doing the recommended apt-get install -f; (Reading database ... 166876 files and directories currently installed.) Preparing to replace gnome-session 3.0.1-0ubuntu1~build2 (using .../gnome-session_3.0.2-0ubuntu3~natty1_all.deb) ... Unpacking replacement gnome-session ... dpkg: error processing /var/cache/apt/archives/gnome-session_3.0.2-0ubuntu3~natty1_all.deb (--unpack): trying to overwrite '/usr/share/xsessions/gnome-shell.desktop', which is also in package gnome-shell 3.0.1-0ubuntu1~build1 Errors were encountered while processing: /var/cache/apt/archives/gnome-session_3.0.2-0ubuntu3~natty1_all.deb E: Sub-process /usr/bin/dpkg returned an error code (1) In var/log/apt/history.log, it says: Start-Date: 2011-05-29 17:56:16 Commandline: apt-get -f install Upgrade: gnome-session:amd64 (3.0.1-0ubuntu1~build2, 3.0.2-0ubuntu3~natty1) Error: Sub-process /usr/bin/dpkg returned an error code (1) End-Date: 2011-05-29 17:56:21 No idea what all this means.

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• Redircting to a url that has a question mark in it?

  - by dkmojo

  I have a somewhat strange problem. A client has moved their site to Wordpress. They use a service for link exchanges that has a Wordpress plugin. The issue is that the new links pages use a query string to display the correct content and I cannot figure out how to redirect the old URLs correctly. Old URLs look like this: domain.com/link/category-name.html The plugin makes them look like this in WP: domain.com/links/?page=category-name.html How in the world can I get the redirect to work properly? Here's what I have tried: Redirect 301 /link/actors.html http://www.artisticimages.biz/links/?page=actors.html Redirect 301 /link/actors.html http://www.artisticimages.biz/links/%3Fpage=actors.html Redirect 301 /link/actors.html http://www.artisticimages.biz/links/\?page=actors.html But none of those have worked. Any help is greatly appreciated!

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• Setting lusca and dansguardian iptables on Ubuntu 12.04 to prevent loop

  - by Heri YT

  I have a server with ubuntu 12:04 operating system, which runs as a proxy cache server lusca and DansGuardian as well as internet content filter. With the following composition: the client browser - lusca - DansGuardian - internet. And all this running only on one machine only, the following is a partial configuration on my server lusca: http_port 3128 transparent cache_peer 192.168.0.1 parent 8080 0 no-query no-digest no-netdb-exchange default which is also only found on the DansGuardian default settings namely: filterip="blank" filterport=8080 proxyip=192.168.0.1 proxyport=3128 The question is: Can all goes well? By simply relying on one machine only? What causes the "WARNING: Forwarding loop detected for:"? is not problematic if we leave? How to solve "WARNING: Forwarding loop detected for:" found in / var / log / lusca / cache.log Thank you.

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• Interessiert an einem Experience Pass für Java, SQL oder PL/SQL?

  - by britta wolf

  Im Mai startete die Oracle Academy über das "Introduction to Computer Science Programm" erstmals eine Experience Pass Kampagne. Das Introduction-Programm bietet Lehrkräften die Möglichkeit, an speziell organisierten Trainings zu Java, Database Design, SQL oder PL/SQL teilzunehmen und quasi einen ausgewählten Ausbildungspfad zu durchlaufen. Nach erfolgreichem Abschluss (mit einem Oracle Academy Zertifikat) können diese Themen dann an den jeweiligen Schulen unterrichtet werden. Dieses spezielle Ausbildungsprogramm läuft bereits seit mehreren Jahren erfolgreich in Österreich und wird seit Frühjahr 2014 nun auch für deutsche Schulen angeboten! Lehrkräfte, die das Thema Java oder SQL bzw. PL/SQL  bereits seit längerer Zeit unterrichten und kein Ausbildungstraining benötigen, können einen sogennanten Experience Pass anfordern. Mit einem solchen Pass kann man auf die gehosteten Lehrinhalte zugreifen und diese auch im Untericht einsetzen. Benötigen Sie weitere Informationen? Dann kontaktieren Sie mich gerne unter [email protected] 

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• MySQL Cluster 7.3 - Join This Week's Webinar to Learn What's New

  - by Mat Keep

  The first Development Milestone and Early Access releases of MySQL Cluster 7.3 were announced just several weeks ago. To provide more detail and demonstrate the new features, Andrew Morgan and I will be hosting a live webinar this coming Thursday 25th October at 0900 Pacific Time / 16.00 UTC Even if you can't make the live webinar, it is still worth registering for the event as you will receive a notification when the replay will be available, to view on-demand at your convenience In the webinar, we will discuss the enhancements being previewed as part of MySQL Cluster 7.3, including: - Foreign Key Constraints: Yes, we've looked into the future and decided Foreign Keys are it ;-) You can read more about the implementation of Foreign Keys in MySQL Cluster 7.3 here - Node.js NoSQL API: Allowing web, mobile and cloud services to query and receive results sets from MySQL Cluster, natively in JavaScript, enables developers to seamlessly couple high performance, distributed applications with a high performance, distributed, persistence layer delivering 99.999% availability. You can study the Node.js / MySQL Cluster tutorial here - Auto-Installer: This new web-based GUI makes it simple for DevOps teams to quickly configure and provision highly optimized MySQL Cluster deployments on-premise or in the cloud You can view a YouTube tutorial on the MySQL Cluster Auto-Installer here  So we have a lot to cover in our 45 minute session. It will be time well spent if you want to know more about the future direction of MySQL Cluster and how it can help you innovate faster, with greater simplicity. Registration is open 

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• Is Email list "cleaning" a legitimate practice?

  - by user6964

  A client has provided us with an excel spreadsheet of around 10,000 email addresses, names and addresses. They were taken from a CRM used previously. I've been asked to "clean" up this database - such as check for invalid addresses - (email format, existing mailboxes etc). I've done a bit of Googling and came up with a few "Email List Cleaning Services". Here is one such company. Now my question is - does anyone have any experience with this kind of service, and is it a legitimate service? Alternatively, what are my options for "cleaning" this list? I ask as MailChimp, our preferred email marketing tool, will terminate account access if a certain percentage of emails bounce, (and I imagine similar e-shot services operate on the same basis), to comply with anti-spam regulations etc. This is a legitimate cause, although it may sound quite the contrary.

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• LDAP search filter for Active Directory

  - by Francesco De Vittori

  Hello, I'm trying to look for users inside Active Directory through a LDAP query. Basically I'm searching for the user in this way: Search DN: dc=mydomain, dc=com Filter: (sAMAccountName=USER) where USER is replaced with the provided username. Now if USER is only the username without domain (for ex. "Joe") this works fine. However I receive them in the form (domain\username, for ex. "myDomain\Joe") and obviously the search fails. I see two ways: using a regex inside the Search Filter to discard the domain using a completely different search filter I'm no LDAP expert and I don't even know if it's possible to use regular expressions inside the search filters. Does anyone know if it's possible and how? P.S. I cannot pre-process the username to strip the domain. This cannot be changed, as it's all part of a large system.

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• Oracle Business Intelligence Advanced - Hands-on Workshop para Parceiros - 18 a 21 de Janeiro

  - by Claudia Costa

  Workshop Description This FREE hands-on workshop highlights strengths of OBIEE 11g by providing attendees a hands-on experience with BI 11g product. OBIEE 11g has adopted the standardized infrastructure of Fusion Middleware to provide robust server capability along with highly anticipated advanced visualization components like Maps, Flash based charts, Scorecards and KPIs. This workshop focuses on new features and infrastructure components for the BI practitioners who are familiar with either OBIEE 10g or previous BI releases. After taking this course, Oracle Business Intelligence 11g Advanced, you will gain insight into OBIEE11g technology, reporting solutions and new features. Workshop provides opportunities to practice with OBIEE11g environment as hands on activities. Participant will gain in-depth understanding of new architecture of OBIEE 11g, security mode, installation/configuration as well as reporting aspects like, new ROLAP/MOLAP style hierarchical browsing, new chart types, Action Framework and Advanced Visualization. If you are a Business Intelligence practitioners and familiar with BI10g - you cannot afford to miss this 3-day workshop. Register Now! PresentationsBusiness Intelligence EE (OBIEE) 11g: Advanced Workshop ·         OBIEE 11g Overview ·         OBIEE 11g Architecture and Infrastructure ·         OBIEE 11g Installation, Configuration and Monitoring ·         OBIEE11g Security Model and BI Components ·         OBIEE 11g Homepage Overview ·         New Visualizations: Master-Detail Events, Charts, Hierarchies ·         Reports Building with OBIEE 11g and Catalog Management ·         Spatial Integration, Action Framework, Scorecards ·         OBIEE 11g Dashboards ·         OBIEE Integration Options  Lab OutlineOracle Business Intelligence (OBIEE) 11g: Advanced Workshop The labs enable OBIEE Core functionality through hands-on activities are based on a Oracle VirtualBox image with software and training samples pre-installed. This Advanced course has few labs optional during the workshop to allow for students to practice them on their own. The primary purpose of the workshop is to provide expertise of 11g features and infrastructure changes from 10g. Labs will allow you to explore concepts to: ·         Have a clear understanding of the OBIEE 11g architecture ·         Have a clear understanding of the OBIEE differentiators ·         OBIEE11g Security Model ·         OBIEE11g Environment Management ·         Report Building with OBIEE11g ·         OBIEE11g Dashboard and Homepage Environment ·         New Visualization features ·         Management of Reports, Dashboards and BI Catalog Objects Audience ·         Business Intelligence Evangelist ·         Business Intelligence Application Developer or Consultant ·         Data Warehouse Developer ·         Enterprise Architects ·         Industry Solutions Architects Prerequisites ·         Experience and Understanding of OBIEE 10g is required. ·         Good understanding of data modeling for reporting purpose ·         Strong experience with database technologies preferred Equipment RequirementsThis workshop requires attendees to provide their own laptops. Attendee laptops must meet the following minimum hardware/software requirements: OBIEE 11g environments requires at least 3 GB of RAM (4GB Preferred), without which student will not be able to complete labs. This workshop has environment that includes VM Image and also a software components that students will install on their laptop for the labs. ·         Minimum 3GB RAM. 25GB free disk space ·         Internet Explorer 7 ·         VirtualBox (the latest version) ·         Downloadable from http://www.virtualbox.org ·         WINRAR or 7zip ·         Downloadable from http://www.win-rar.com/download.html ·         Downloadable from http://www.7zip.com/ Attendees will be given a VirtualBox image for Oraclee BI 11g Workshop containing the software along with required toolset, database and data sets for the labs. AgendaThis class duration is 3 Days9:00am: Sign-in and Technical Set up9:30am : Workshop Starts5:00pm : Workhop Ends LocalHotel Holiday Inn Express - Porto Salvo - Lisboa This class is Free. Register early to confirm a seat! Oracle BI Advanced 11g Hands-on Workshop - Schedule Register Now! January 11-13, 2011: Kista, Sweden January 18-20, 2011: Lisbon, Portugal March 1-3, 2011: Reading, Berkshire, UK March 15-17, 2011: Colombes, Paris, France March 29-31, 2011: Amsterdam, Netherlands Questions? For registration questions please send an email to [email protected]. Para outras informações, por favor contacte Claudia Costa, telf: 214235027 ou pelo email   

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• Selling your services when you use uncommon technologies

  - by speeder

  I took a look in Stackoverflow most popular profiles, and then I did the same in several other sites, and then I took a look in job postings in several boards, mostly out of curiosity, because I noticed this: If you work with Java, .NET or other managed languages, or you work with stuff that is popular for web development (Ruby, JavaScript, etc...) you can get lots of points on Stackoverflow, find lots of jobs and clients, find forums, friends, colleagues, etc... But how a programmer of uncommon languages (Lua, pure C, Lisp, D, ADA, Haskell, etc...) find information, sell his services, and so on? EDIT: This also applies to fields: You work with web, corporate software, database, etc... it is great... You dislike those previous 3, noone ever will hire your services...

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• Podcast Show Notes: Collaborate 10 Wrap-Up - Conclusion

  - by Bob Rhubart

  Both parts of my conversation with a small army of people at Collaborate 10 are now available. Listen to Part 1 Listen to Part 2   Here’s the complete list of participants: Floyd Teter - Project Manager at Jet Propulsion Lab, OAUG Board Blog | Twitter | LinkedIn | Oracle Mix | Oracle ACE Profile Mark Rittman - EMEA Technical Director and Co-Founder, Rittman Mead,  ODTUG Board Blog | Twitter | LinkedIn | Oracle Mix | Oracle ACE Profile Chet Justice - OBI Consultant at BI Wizards Blog | Twitter | LinkedIn | Oracle Mix | Oracle ACE Profile Elke Phelps - Oracle Applications DBA at Humana, OAUG SIG Chair Blog | LinkedIn | Oracle Mix | Book | Oracle ACE Profile Paul Jackson - Oracle Applications DBA at Humana Blog | LinkedIn | Oracle Mix | Book Srini Chavali - Enterprise Database & Tools Leader at Cummins, Inc Blog | LinkedIn | Oracle Mix Dave Ferguson – President, Oracle Applications Users Group LinkedIn | OAUG Profile John King - Owner, King Training Resources Website | LinkedIn | Oracle Mix Gavyn Whyte - Project Portfolio Manager at iFactory Consulting Blog | Twitter | LinkedIn | Oracle Mix John Nicholson - Channels & Alliances at Greenlight Technologies Website | LinkedIn   del.icio.us Tags: oracle,otn,collborate 10,c10,oracle ace program,archbeat,arch2arch,oaug,odtug,las vegas Technorati Tags: oracle,otn,collborate 10,c10,oracle ace program,archbeat,arch2arch,oaug,odtug,las vegas

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• Learn All About MySQL Cluster

  - by Antoinette O'Sullivan

  Just released - the all new MySQL Cluster training course. This MySQL Cluster training teaches you how to install and configure a real-time database cluster at the core of your application. Expert instructors will teach you how to design and maintain your clusters for high availability and scalability by using MySQL Cluster's open-source and enterprise components. This 4-day training course is a must for those who want to learn about MySQL Cluster as you will not only learn about the concepts and features but you will get extensive hands-on experience. You can follow this training course from your own desk via a live-virtual training or by traveling to an education center to follow this course. Be the first to influence the schedule for this newly released course by registering your interest on the Oracle University portal. For more information about the authentic MySQL curriculum, go to http://education.oracle.com/mysql

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• How and when to use UNIT testing properly

  - by Zebs

  I am an iOS developer. I have read about unit testing and how it is used to test specific pieces of your code. A very quick example has to do with processing JSON data onto a database. The unit test reads a file from the project bundle and executes the method that is in charge of processing JSON data. But I dont get how this is different from actually running the app and testing with the server. So my question might be a bit general, but I honestly dont understand the proper use of unit testing, or even how it is useful; I hope the experienced programmers that surf around StackOverflow can help me. Any help is very much appreciated!

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• Logical and Physical Modeling for Analytical Applications

  - by Dejan Sarka

  I am proud to announce that my first course for Pluralsight is released. The course title is Logical and Physical Modeling for Analytical Applications. Here is the description of the course. A bad data model leads to an application that does not perform well. Therefore, when developing an application, you should create a good data model from the start. However, even the best logical model can’t help when the physical implementation is bad. It is also important to know how SQL Server stores and accesses data, and how to optimize the data access. Database optimization starts by splitting transactional and analytical applications. In this course, you learn how to support analytical applications with logical design, get understanding of the problems with data access for queries that deal with large amounts of data, and learn about SQL Server optimizations that help solving these problems. Enjoy the course!

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• Online Password Security Tactics

  - by BuckWoody

  Recently two more large databases were attacked and compromised, one at the popular Gawker Media sites and the other at McDonald’s. Every time this kind of thing happens (which is FAR too often) it should remind the technical professional to ensure that they secure their systems correctly. If you write software that stores passwords, it should be heavily encrypted, and not human-readable in any storage. I advocate a different store for the login and password, so that if one is compromised, the other is not. I also advocate that you set a bit flag when a user changes their password, and send out a reminder to change passwords if that bit isn’t changed every three or six months.    But this post is about the *other* side – what to do to secure your own passwords, especially those you use online, either in a cloud service or at a provider. While you’re not in control of these breaches, there are some things you can do to help protect yourself. Most of these are obvious, but they contain a few little twists that make the process easier.   Use Complex Passwords This is easily stated, and probably one of the most un-heeded piece of advice. There are three main concepts here: ·         Don’t use a dictionary-based word ·         Use mixed case ·         Use punctuation, special characters and so on   So this: password Isn’t nearly as safe as this: P@ssw03d   Of course, this only helps if the site that stores your password encrypts it. Gawker does, so theoretically if you had the second password you’re in better shape, at least, than the first. Dictionary words are quickly broken, regardless of the encryption, so the more unusual characters you use, and the farther away from the dictionary words you get, the better.   Of course, this doesn’t help, not even a little, if the site stores the passwords in clear text, or the key to their encryption is broken. In that case…   Use a Different Password at Every Site What? I have hundreds of sites! Are you kidding me? Nope – I’m not. If you use the same password at every site, when a site gets attacked, the attacker will store your name and password value for attacks at other sites. So the only safe thing to do is to use different names or passwords (or both) at each site. Of course, most sites use your e-mail as a username, so you’re kind of hosed there. So even though you have hundreds of sites you visit, you need to have at least a different password at each site.   But it’s easier than you think – if you use an algorithm.   What I’m describing is to pick a “root” password, and then modify that based on the site or purpose. That way, if the site is compromised, you can still use that root password for the other sites.   Let’s take that second password: P@ssw03d   And now you can append, prepend or intersperse that password with other characters to make it unique to the site. That way you can easily remember the root password, but make it unique to the site. For instance, perhaps you read a lot of information on Gawker – how about these:   P@ssw03dRead ReadP@ssw03d PR@esasdw03d   If you have lots of sites, tracking even this can be difficult, so I recommend you use password software such as Password Safe or some other tool to have a secure database of your passwords at each site. DO NOT store this on the web. DO NOT use an Office document (Microsoft or otherwise) that is “encrypted” – the encryption office automation packages use is very trivial, and easily broken. A quick web search for tools to do that should show you how bad a choice this is.   Change Your Password on a Schedule I know. It’s a real pain. And it doesn’t seem worth it…until your account gets hacked. A quick note here – whenever a site gets hacked (and I find out about it) I change the password at that site immediately (or quit doing business with them) and then change the root password on every site, as quickly as I can.   If you follow the tip above, it’s not as hard. Just add another number, year, month, day, something like that into the mix. It’s not unlike making a Primary Key in an RDBMS.   P@ssw03dRead10242010   Change the site, and then update your password database. I do this about once a month, on the first or last day, during staff meetings. (J)   If you have other tips, post them here. We can all learn from each other on this.

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