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• Survey: How much data do you work with?

  - by James Luetkehoelter

  Andy isn't the only one that can ask a survey question. This is something I really curious about because many of the answers or recommendations or rants in blogs are not universably applicable to every database - small databases must sometimes be treated differently, and uber databases are just a pain (and fun at the same time). So, how would you classify most of the databases you work with: 1) Up to 50GB 2) 50-500GB 3) 500GB - 2TB 4) DEAR GOD THAT"S TOO MUCH INFORMATION! Share this post: email it!...(read more)

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• Follow-up Answers for my Australia Classes

  - by Kalen Delaney

  I was out of the country for the last two weeks of March, delivering classes in Brisbane and Sydney, which were organized by WardyIT . It was a great visit and there were 24 terrific students! As is sometimes (perhaps often?) the case, there were questions posed that I couldn’t answer during class, so here are a couple of follow-up answers. 1. I brought up the fact that SQLS 2012 generates a warning message when there are ‘too many’ Virtual Log Files (VLFs) in a database. (It turns out the message...(read more)

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• Another Way to Learn SQL Server

  - by RickHeiges

  Since 2004, I have been on the Advisory Board for several continuing education certificate programs for the University of Washington. You might know some of the other Advisory Board Memebrs - check it out. The Advisory Board meets very infrequently and is asked for "advice" (not direction) on various aspects of the program. Generally speaking, courses that are taught for a degree are non-platform specific. Continuing Education courses and certificate programs are more product focused. As you can...(read more)

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• Semi-blocking Transformations in SQL Server Integration Services SSIS

  In a SSIS data flow, there are multiple types of transformations. On one hand you have synchronous and asynchronous transformations, but on the other hand you have non-blocking, semi-blocking and fully-blocking components. In this tip, Koen Verbeeck takes a closer look on the performance impact of semi-blocking transformations in SSIS. Can 41,000 DBAs really be wrong? Join 41,000 other DBAs who are following the new series from the DBA Team: the 5 Worst Days in a DBA’s Life. Part 3, As Corrupt As It Gets, is out now – read it here.

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• Partner Pricing- und Business Practices-Update jetzt erhältlich

  - by swalker

  Klicken Sie hier, um das Partner Business Practices-Update vom 25. Oktober 2011 zu erhalten.* (PDF) Was ist im Partner Pricing- und Business Practices-Update vom 25. Oktober enthalten? Themen im Hinblick auf Preisstruktur und Lizenzierung Exalogic and SPARC SuperCluster Update Oracle Technologie-Update Oracle Fusion Applications Update Oracle Fusion Cloud Service-Update Update zur Oracle Application Integration Architecture Siebel CRM  Applications Update Oracle CRM On Demand Update Business Process Outsourcing-Update Ungeachtet aller gegenteiligen Festlegungen in einer Partnerbereitstellungsvereinbarung bleiben alle vorhandenen, gültigen Angebote, die von Partnern an Endkunden vor dem 1. September 2011 ausgegeben werden und von den Preis- und Lizenzierungsänderungen vom 25. Oktober 2011 betroffen sind, gültig. Bestellungen, die von Partnern nach diesen Angeboten eingesendet werden, werden bis zum 30. November 2011 berücksichtigt. Partnerangebote, die am oder nach dem 1. September 2011 an Enduser weitergegeben werden, unterliegen den Bedingungen der Bereitstellungsvereinbarung des Partners. Was müssen Sie tun? Besuchen Sie regelmäßig die Seite mit den Partner Pricing- und Business Practices-Updates auf dem OPN-Portal, um mehr über diese Aktualisierungen zu erfahren und bezüglich der neuesten Erklärungen und Ressourcen zu Preis-, Lizenzierungs- und Geschäftspraktiken auf dem aktuellen Stand zu sein. Weitere Informationen Um auf die Partner Pricing- und Business Practices-Updates und das Archiv aller Partner Pricing- und Business Practices-Updates zuzugreifen, klicken Sie hier. * Vertraulich: Die in dieser Mitteilung enthaltenen Informationen richten sich an die Mitglieder des Oracle PartnerNetwork. Bei diesen Informationen handelt es sich um vertrauliche Informationen von Oracle. Sie dürfen von Ihnen nur im Zusammenhang mit dem Vertrieb oder der Implementierung von Oracle Produkten oder Services bei Endkunden oder autorisierten Oracle Partner verwendet werden.

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• SQL Server Transaction Marks: Restoring multiple databases to a common relative point

  - by Mladen Prajdic

  We’re all familiar with the ability to restore a database to point in time using the RESTORE WITH STOPAT statement. But what if we have multiple databases that are accessed from one application or are modifying each other? And over multiple instances? And all databases have different workloads? And we want to restore all of the databases to some known common relative point? The catch here is that this common relative point isn’t the same point in time for all databases. This common relative point in time might be now in DB1, now-1 hour in DB2 and yesterday in DB3. And we don’t know the exact times. Let me introduce you to Transaction Marks. When we run a marked transaction using the WITH MARK option a flag is set in the transaction log and a row is added to msdb..logmarkhistory table. When restoring a transaction log backup we can restore to either before or after that marked transaction. The best thing is that we don’t even need to have one database modifying another database. All we have to do is use a marked transaction with the same name in different database. Let’s see how this works with an example. The code comments say what’s going on. USE master GOCREATE DATABASE TestTxMark1GOUSE TestTxMark1GOCREATE TABLE TestTable1( ID INT, VALUE UNIQUEIDENTIFIER) -- insert some data into the table so we can have a starting pointINSERT INTO TestTable1SELECT ROW_NUMBER() OVER(ORDER BY number) AS RN, NULLFROM master..spt_valuesORDER BY RNSELECT *FROM TestTable1GO-- TAKE A FULL BACKUP of the databseBACKUP DATABASE TestTxMark1 TO DISK = 'c:\TestTxMark1.bak'GO USE master GOCREATE DATABASE TestTxMark2GOUSE TestTxMark2GOCREATE TABLE TestTable2( ID INT, VALUE UNIQUEIDENTIFIER)-- insert some data into the table so we can have a starting pointINSERT INTO TestTable2SELECT ROW_NUMBER() OVER(ORDER BY number) AS RN, NEWID()FROM master..spt_valuesORDER BY RNSELECT *FROM TestTable2GO-- TAKE A FULL BACKUP of our databseBACKUP DATABASE TestTxMark2 TO DISK = 'c:\TestTxMark2.bak'GO -- start a marked transaction that modifies both databasesBEGIN TRAN TxDb WITH MARK -- update values from NULL to random value UPDATE TestTable1 SET VALUE = NEWID(); -- update first 100 values from random value -- to NULL in different DB UPDATE TestTxMark2.dbo.TestTable2 SET VALUE = NULL WHERE ID <= 100;COMMITGO     -- some time goes by here -- with various database activity... -- We see two entries for marks in each database. -- This is just informational and has no bearing on the restore itself.SELECT * FROM msdb..logmarkhistory USE masterGO-- create a log backup to restore to mark pointBACKUP LOG TestTxMark1 TO DISK = 'c:\TestTxMark1.trn'GO-- drop the database so we can restore it backDROP DATABASE TestTxMark1GO USE masterGO-- create a log backup to restore to mark pointBACKUP LOG TestTxMark2 TO DISK = 'c:\TestTxMark2.trn'GO-- drop the database so we can restore it backDROP DATABASE TestTxMark2GO -- RESTORE THE DATABASE BACK BEFORE OUR TRANSACTION-- restore the full backup RESTORE DATABASE TestTxMark1 FROM DISK = 'c:\TestTxMark1.bak' WITH NORECOVERY;-- restore the log backup to the transaction markRESTORE LOG TestTxMark1 FROM DISK = 'c:\TestTxMark1.trn' WITH RECOVERY, -- recover to state before the transaction STOPBEFOREMARK = 'TxDb'; -- recover to state after the transaction -- STOPATMARK = 'TxDb';GO -- RESTORE THE DATABASE BACK BEFORE OUR TRANSACTION-- restore the full backup RESTORE DATABASE TestTxMark2 FROM DISK = 'c:\TestTxMark2.bak' WITH NORECOVERY;-- restore the log backup to the transaction markRESTORE LOG TestTxMark2 FROM DISK = 'c:\TestTxMark2.trn' WITH RECOVERY, -- recover to state before the transaction STOPBEFOREMARK = 'TxDb'; -- recover to state after the transaction -- STOPATMARK = 'TxDb';GO USE TestTxMark1-- we restored to time before the transaction -- so we have NULL values in our tableSELECT * FROM TestTable1 USE TestTxMark2-- we restored to time before the transaction -- so we DON'T have NULL values in our tableSELECT * FROM TestTable2   Transaction marks can be used like a crude sync mechanism for cross database operations. With them we can mark our databases with a common “restore to” point so we know we have a valid state between all databases to restore to.

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• CodePlex Daily Summary for Monday, May 21, 2012

  CodePlex Daily Summary for Monday, May 21, 2012Popular ReleasesMetadata Document Generator for Microsoft Dynamics CRM 2011: Metadata Document Generator (2.0.0.0): New UI Metro style New features Save and load settings to/from file Export only OptionSet attributes Use of Gembox Spreadsheet to generate Excel (makes application lighter : 1,5MB instead of 7MB)Audio Pitch & Shift: Audio Pitch And Shift 4.2.0: Backward / Forward buttons Improved features for encoding, streaming, menu Bug fixesState Machine .netmf: State Machine Example: First release.... Contains 3 state machines running on separate threads. Event driven button to change the states. StateMachineEngine to support the Machines Message class with the type of data to send between statesSilverlight socket component: Smark.NetDisk: Smark.NetDisk?????Silverlight ?.net???????????，???????????????????????。Smark.NetDisk??????????，????.net???????????????????????tcp??；???????Silverlight??????????????????????ZXMAK2: Version 2.6.1.9: added WAV serializer for tape devicecallisto: callisto 2.0.28: Update log: - Extended Scribble protocol. - Updated HTML5 client code - now supports the latest versions of Google Chrome.ExtAspNet: ExtAspNet v3.1.6: ExtAspNet - ?? ExtJS ??? ASP.NET 2.0 ???，????? AJAX ?????????? ExtAspNet ????? ExtJS ??? ASP.NET 2.0 ???，????? AJAX ??????????。 ExtAspNet ??????? JavaScript，?? CSS，?? UpdatePanel，?? ViewState，?? WebServices ???????。 ??????: IE 7.0, Firefox 3.6, Chrome 3.0, Opera 10.5, Safari 3.0+ ????：Apache License 2.0 (Apache) ??：http://bbs.extasp.net/ ??：http://demo.extasp.net/ ??：http://doc.extasp.net/ ??：http://extaspnet.codeplex.com/ ??：http://sanshi.cnblogs.com/ ????： +2012-05-20 v3.1.6 -??RowD...Dynamics XRM Tools: Dynamics XRM Tools BETA 1.0: The Dynamics XRM Tools 1.0 BETA is now available Seperate downloads are available for On Premise and Online as certain features are only available On Premise. This is a BETA build and may not resemble the final release. Many enhancements are in development and will be made available soon. Please provide feedback so that we may learn and discover how to make these tools better.WatchersNET CKEditor™ Provider for DotNetNuke®: CKEditor Provider 1.14.05: Whats New Added New Editor Skin "BootstrapCK-Skin" Added New Editor Skin "Slick" Added Dnn Pages Drop Down to the Link Dialog (to quickly link to a portal tab) changes Fixed Issue #6956 Localization issue with some languages Fixed Issue #6930 Folder Tree view was not working in some cases Changed the user folder from User name to User id User Folder is now used when using Upload Function and User Folder is enabled File-Browser Fixed Resizer Preview Image Optimized the oEmbed Pl...PHPExcel: PHPExcel 1.7.7: See Change Log for details of the new features and bugfixes included in this release. BREAKING CHANGE! From PHPExcel 1.7.8 onwards, the 3rd-party tcPDF library will no longer be bundled with PHPExcel for rendering PDF files through the PDF Writer. The PDF Writer is being rewritten to allow a choice of 3rd party PDF libraries (tcPDF, mPDF, and domPDF initially), none of which will be bundled with PHPExcel, but which can be downloaded seperately from the appropriate sites.GhostBuster: GhostBuster Setup (91520): Added WMI based RestorePoint support Removed test code from program.cs Improved counting. Changed color of ghosted but unfiltered devices. Changed HwEntries into an ObservableCollection. Added Properties Form. Added Properties MenuItem to Context Menu. Added Hide Unfiltered Devices to Context Menu. If you like this tool, leave me a note, rate this project or write a review or Donate to Ghostbuster. Donate to GhostbusterC#??????EXCEL??、??、????????：DataPie（??MSSQL 2008、ORACLE、ACCESS 2007）: DataPie_V3.2: V3.2, 2012?5?19? ????ORACLE??????。AvalonDock: AvalonDock 2.0.0795: Welcome to the Beta release of AvalonDock 2.0 After 4 months of hard work I'm ready to upload the beta version of AvalonDock 2.0. This new version boosts a lot of new features and now is stable enough to be deployed in production scenarios. For this reason I encourage everyone is using AD 1.3 or earlier to upgrade soon to this new version. The final version is scheduled for the end of June. What is included in Beta: 1) Stability! thanks to all users contribution I’ve corrected a lot of issues...myCollections: Version 2.1.0.0: New in this version : Improved UI New Metro Skin Improved Performance Added Proxy Settings New Music and Books Artist detail Lot of Bug FixingAspxCommerce: AspxCommerce1.1: AspxCommerce - 'Flexible and easy eCommerce platform' offers a complete e-Commerce solution that allows you to build and run your fully functional online store in minutes. You can create your storefront; manage the products through categories and subcategories, accept payments through credit cards and ship the ordered products to the customers. We have everything set up for you, so that you can only focus on building your own online store. Note: To login as a superuser, the username and pass...SiteMap Editor for Microsoft Dynamics CRM 2011: SiteMap Editor (1.1.1616.403): BUG FIX Hide save button when Titles or Descriptions element is selectedDotSpatial: DotSpatial 1.2: This is a Minor Release. See the changes in the issue tracker. Minimal -- includes DotSpatial core and essential extensions Extended -- includes debugging symbols and additional extensions Tutorials are available. Just want to run the software? End user (non-programmer) version available branded as MapWindow Want to add your own feature? Develop a plugin, using the template and contribute to the extension feed (you can also write extensions that you distribute in other ways). Components ...Microsoft Ajax Minifier: Microsoft Ajax Minifier 4.52: Make preprocessor comment-statements nestable; add the ///#IFNDEF statement. (Discussion #355785) Don't throw an error for old-school JScript event handlers, and don't rename them if they aren't global functions.DotNetNuke® Events: 06.00.00: This is a serious release of Events. DNN 6 form pattern - We have take the full route towards DNN6: most notably the incorporation of the DNN6 form pattern with streamlined UX/UI. We have also tried to change all formatting to a div based structure. A daunting task, since the Events module contains a lot of forms. Roger has done a splendid job by going through all the forms in great detail, replacing all table style layouts into the new DNN6 div class="dnnForm XXX" type of layout with chang...LogicCircuit: LogicCircuit 2.12.5.15: Logic Circuit - is educational software for designing and simulating logic circuits. Intuitive graphical user interface, allows you to create unrestricted circuit hierarchy with multi bit buses, debug circuits behavior with oscilloscope, and navigate running circuits hierarchy. Changes of this versionThis release is fixing one but nasty bug. Two functions XOR and XNOR when used with 3 or more inputs were incorrectly evaluating their results. If you have a circuit that is using these functions...New ProjectsAdvanced CRM 2011 Auto Number: Advanced CRM 2011 AutoNumber is the most advanced auto numbering solution for CRM 2011 Online, On-Premise and Partner Hosted (IFD). You can virtually add any auto number to both system entities and custom entities. Here are all the features: * Supports CRM 2011 Online, On-Premise, Partner Hosted (IFD) for both Sandbox and Non-Sandbox mode. Also supports load balancing CRM instalations. * Guaranteed 100% unique autogenerated number * Supports both system entities and custom entit...alberguedeblm: Nós, membros do Departamento de Desenvolvimento Belém, hospedamos nossos projetos aqui.ChevonChristieCodeAndTools: This repo contains WP7 helper code and related Utilities, among other things, that I have accumulated across my projects. Simply open the solution in VS2010. All code is provided AS-IS and there is NO warranty for anything is this repo. If you would like to check out some of the applications this code came from head over to here: http://binaryred.com/portfolioCodeDom Assistant: Generating CodeDom Code By Parsing C# or VB ??C#??VB??CodeDom??ColaBBS: ColaBBS for .NET FrameworkDragonDen: DragonDEN project consists of SIMPLE SHARK PROMPT and DOS operating systems. For help in DOS type in '?' after logging in with username and password. Username:Drago Password:dospasswordDynamics XRM Tools: Dynamics XRM Tools brings you a quality range of applications that provide a useful set of features to enhance your experience while using and developing against Microsoft Dynamics CRM 2011. Currently available applications include OData Query Designer Metadata Browser CRM 4 to CRM 2011 JavaScript Converter Trace Tool Statistics About Dynamics XRM Tools The Dynamics XRM Tools project provides a modular framework for hosting Silverlight applications within a single shel...Employee Info System: Employee Info SystemFile upload control - MS CRM 2011: File upload Plug-in in MS CRM 2011 The objective of this plug-in is to provide functionality of using file upload feature inside the MS CRM 2011 forms. Also using this plug-in provide file extension control, multiple file uploads in one form, configurable labels and much more. It is very easy to use this. Proper steps are provided in the documentations and plug-in is provided for download. GadgeteerCookbook: A collection of projects for Microsoft .NET GadgeteerGraboo: Grabooo Imagine Cup App! ;)How High is It: A tool used by windows phone to calculate the height of a building or something else.H-Share: H-Share is my personal sharing tool try-out projectInternals Viewer (updated) for SQL Server 2008 R2.: Internals viewer is a tool for looking into the SQL Server storage engine and seeing how data is physically allocated, organised and stored. All sorts of tasks performed by a DBA or developer can benefit greatly from knowledge of what the storage engine is doing and how it works. This version is for SSMS 2008 R2.MetaWeblog Utility: A .NET library for Meta Weblog operations. To make it easy to use, library includes top blog sites' proxy/agent.MetroRate: MetroRate is a control for displaying ratings with stars in Windows 8 WinRT Metro XAML apps.Ph?n m?m qu?n lý ký túc xá sinh viên ÐH Tây Nguyên: Ph?n m?m qu?n lý ký túc xá sinh viên ÐH Tây Nguyên Liên h? d? bi?t thêm chi ti?t nhá!ProceXSS: ProceXSS is a Asp.NET Http module for detecting and ignoring xss attacks.RFIDCashier: Its RFID scanner tool SaharMediaPlayer: gggScienceLP: ScienceLPsilverlight4Stu: ????Stackr Programming Language: A stack-based programming language, initially targeted for trans-compilation to DCPU-16 assembly.Timeline example VB.net: timeline vbTKLSite: not for youVolta AutoParts: Volta AutoParts is light weight website, used for let more and more people know Volta's Auto accessories and parts. We are developers on Microsoft.NET, this project is also an opportunity for us on cooperation.????????: good

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• New DMF for SQL Server 2008 sys.dm_fts_parser to parse a string

  Many times we want to split a string into an array and get a list of each word separately. The sys.dm_fts_parser function will help us in these cases. More over, this function will also differentiate the noise words and exact match words. The sys.dm_fts_parser can be also very powerful for debugging purposes. It can help you check how the word breaker and stemmer works for a given input for Full Text Search.

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• I’m now a SQL Server Microsoft Certified Master

  - by simonsabin

  What a day, well what a week really. I found out last week that I passed the Microsoft Certified Master Exam and that I needed to decide to sit the Lab part next. I decided to get it done in a few days of down time I have before going to the MVP summit so scheduled it for today. Five and half hours later I had finished, after a few visits to the toilet. (lesson learnt don’t drink too much during your lab). The lab is marked by humans which I think is a great thing given the various ways of doing...(read more)

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• T-SQL Tuesday #13: Clarifying Requirements

  - by Alexander Kuznetsov

  When we transform initial ideas into clear requirements for databases, we typically have to make the following choices: Frequent maintenance vs doing it once. As we are clarifying the requirements, we need to determine whether we want to concinue spending considerable time maintaining the system, or if we want to finish it up and move on to other tasks. Race car maintenance vs installing electric wiring is my favorite analogy for this kind of choice. In some cases we need to sqeeze every last bit...(read more)

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• When I add a database table to a DBML file via LINQ to SQL, I get a slew of compiler errors.

  - by Zian Choy

  Whenever I add a certain table to a DBML file via LINQ to SQL, I get 102 errors in my VB NET project. Some of the errors: Error 1 Attribute 'TableAttribute' cannot be applied multiple times. C:\Documents and Settings\zchoy\My Documents\Virtual EMS Deployment\Life And Death\Life And Death\ShearwaterEMS.designer.vb 74 2 EMS Reality Check Error 2 'emptyChangingEventArgs' is already declared as 'Private Shared emptyChangingEventArgs As System.ComponentModel.PropertyChangingEventArgs' in this class. C:\Documents and Settings\zchoy\My Documents\Virtual EMS Deployment\Life And Death\Life And Death\ShearwaterEMS.designer.vb 78 17 EMS Reality Check Error 3 '_GroupID' is already declared as 'Private _GroupID As Integer' in this class. C:\Documents and Settings\zchoy\My Documents\Virtual EMS Deployment\Life And Death\Life And Death\ShearwaterEMS.designer.vb 80 10 EMS Reality Check Error 4 '_ID' is already declared as 'Private _ID As Integer' in this class. C:\Documents and Settings\zchoy\My Documents\Virtual EMS Deployment\Life And Death\Life And Death\ShearwaterEMS.designer.vb 82 10 EMS Reality Check Any suggestions for getting the table to work with LINQ to SQL will be welcomed. The table's properties: Group ID ID (Primary Key) Contact Title UseGroupAddress InternationalFormat Address1 Address2 City State ZipCode Country Phone Fax EMailAddress Notes DateAdded AddedBy DateChanged ChangedBy Active ExternalReference ChangeCounter PhoneLabel FaxLabel

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• SQLBeat Podcast – Episode 4 – Mark Rasmussen on Machine Guns,Jelly Fish and SQL Storage Engine

  - by SQLBeat

  In this this 4th SQLBeat Podcast I talk with fellow Dane Mark Rasmussen on SQL, machine guns and jelly fish fights; apparently they are common in our homeland. Who am I kidding, I am not Danish, but I try to be in this podcast. Also, we exchange knowledge on SQL Server storage engine particulars as well as some other “internals” like password hashes and contained databases. And then it just gets weird and awesome. There is lots of background noise from people who did not realize we were recording. And I call them out and make fun of them as they deserve; well just one person who is well known in these parts. I also learn the correct (almost) pronunciation of “fjord”. Seriously, a word with an “F” followed by a “J”. And there are always the hippies and hipsters to discuss. Should be fun.

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• PASS Summit 2013 - A Bunch of Blog Posts Recently

  - by RickHeiges

  Recently, there have been a number of blog posts about having the 2013 PASS Summit in Seattle or elsewhere. I had a post in November about the process and some of the major factors that were on my mind. You can read it here . There is value in moving the Summit to another venue. There is value in having the Summit in the same location/venue year after year as well. Many of the posts that I read recently make excellent arguments for each. As time goes on and you hear another good argument for one...(read more)

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• New Oracle E-Business Suite R12 OS and Tools Requirements on IBM AIX on Power Systems

  - by John Abraham

  IBM has announced May 1st, 2011 as the end of Support for Version 8 of the IBM XL C/C++ compiler currently used for Release 12 builds and patching. The target date of the switchover -- May 1st 2011 -- corresponds to when this older compiler will no longer be supported by IBM. Beginning on May 1st 2011, Oracle E-Business Suite patches for Release 12 (12.0, 12.1) on the IBM AIX on Power Systems platform will be built with Version 9 of the IBM XL C/C++ compiler.  Customers who plan to patch or upgrade their E-Business Suite R12 environments after May 1st, 2011 must meet all the new requirements prior to applying new patches or upgrades.Please review the documents below for all new requirements pertaining to the new runtime and utilities packages on IBM AIX on Power Systems.

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• Why I don't use SSIS checkpoint files

  - by jamiet

  In a recent discussion in regard to general ETL best practises the subject of checkpoint files as a means for package restartability came up and I stated that I was dead against using them. For anyone that may care, here is why: Configuring them is distinctly unintuitive (that's a matter of opinion but if you follow the link I'll wager that you will agree) they don't make any allowance for loop iterations they cannot store variables of type Object they are limited in ability. There are many scenarios where you may want to execute certain containers regardless of whether the package is started from a checkpoint file but the current usage model does not allow for this. they are ignored by eventhandlers, which wouldn't be so bad if there were a way to toggle this behaviour in certain scenarios they dont work properly I'll expand on the last bullet point. I have encountered situations where the behaviour for tasks executing concurrently is unpredictable. That is, sometimes the completion of a task that executes concurrently with a failed/failing task will make it into the checkpoint file and sometimes it won't. This is near-impossible to reproduce but it does happen as my good friend John Welch will hopefully concur (if he is reading). Is anyone out there making successful use of checkpoint files within SSIS? I would be interested in knowing about that if so. @Jamiet

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• Amazon how does their remarkable search work?

  - by JonH

  We are working on a fairly large CRM system /knowledge management system in asp.net. The db is SQL server and is growing in size based on all the various relationships. Upper management keeps asking us to implement search much like amazon does. Right from there search you can specify to search certain objects like outdoor equipment, clothing, etc. and you can even select all. I keep mentioning to upper management that we need to define the various fields to search on. Their response is all fields...they probably look at the search and assume that it is so simple. I'm the guy who has to say hold on guys we are talking about amazon here. My question is how can amazon run a search on an "all" category. Also one of the things management here likes is the dynamic filters. For instance, searching robot brings up filters specific to a robot toy. How can I put management in check and at least come up with search functionality that works like amazon. We are using asp.net, SQL server 2008 and jquery.

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• Manage and Monitor Identity Ranges in SQL Server Transactional Replication

  - by Yaniv Etrogi

  Problem When using transactional replication to replicate data in a one way topology from a publisher to a read-only subscriber(s) there is no need to manage identity ranges. However, when using  transactional replication to replicate data in a two way replication topology - between two or more servers there is a need to manage identity ranges in order to prevent a situation where an INSERT commands fails on a PRIMARY KEY violation error  due to the replicated row being inserted having a value for the identity column which already exists at the destination database. Solution There are two ways to address this situation: Assign a range of identity values per each server. Work with parallel identity values. The first method requires some maintenance while the second method does not and so the scripts provided with this article are very useful for anyone using the first method. I will explore this in more detail later in the article. In the first solution set server1 to work in the range of 1 to 1,000,000,000 and server2 to work in the range of 1,000,000,001 to 2,000,000,000.  The ranges are set and defined using the DBCC CHECKIDENT command and when the ranges in this example are well maintained you meet the goal of preventing the INSERT commands to fall due to a PRIMARY KEY violation. The first insert at server1 will get the identity value of 1, the second insert will get the value of 2 and so on while on server2 the first insert will get the identity value of 1000000001, the second insert 1000000002 and so on thus avoiding a conflict. Be aware that when a row is inserted the identity value (seed) is generated as part of the insert command at each server and the inserted row is replicated. The replicated row includes the identity column’s value so the data remains consistent across all servers but you will be able to tell on what server the original insert took place due the range that  the identity value belongs to. In the second solution you do not manage ranges but enforce a situation in which identity values can never get overlapped by setting the first identity value (seed) and the increment property one time only during the CREATE TABLE command of each table. So a table on server1 looks like this: CREATE TABLE T1 (  c1 int NOT NULL IDENTITY(1, 5) PRIMARY KEY CLUSTERED ,c2 int NOT NULL ); And a table on server2 looks like this: CREATE TABLE T1(  c1 int NOT NULL IDENTITY(2, 5) PRIMARY KEY CLUSTERED ,c2 int NOT NULL ); When these two tables are inserted the results of the identity values look like this: Server1:  1, 6, 11, 16, 21, 26… Server2:  2, 7, 12, 17, 22, 27… This assures no identity values conflicts while leaving a room for 3 additional servers to participate in this same environment. You can go up to 9 servers using this method by setting an increment value of 9 instead of 5 as I used in this example. Continues…

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• My Lightning Talk in MP3 format

  - by Rob Farley

  Download it now via http://bit.ly/RFCollation  Lots of people tell me they wish they’d heard my Lightning Talk from the PASS Summit. This was the one that was five minutes, in which I explained Collation using examples comparing US English, UK English and Australian English. At the end, I showed my Arsenal thongs. You can see a picture of them below. There was a visual joke involving the name Arsenal too... After the recordings became available, I asked the PASS legal people, and they said I could do what I liked with my own five-minute set, so long as I didn’t sell it. So I made an MP3. I’ve uploaded it to the LobsterPot Solutions web server, and provided an easy link via http://bit.ly/RFCollation. It’s a link straight to the MP3, and you’re welcome to download it, put it on your iPod, whatever you like. And also feel free to write comments here, to let me know what you think.

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• In the Cloud, Everything Costs Money

  - by BuckWoody

  I’ve been teaching my daughter about budgeting. I’ve explained that most of the time the money coming in is from only one or two sources – and you can only change that from time to time. The money going out, however, is to many locations, and it changes all the time. She’s made a simple debits and credits spreadsheet, and I’m having her research each part of the budget. Her eyes grow wide when she finds out everything has a cost – the house, gas for the lawnmower, dishes, water for showers, food, electricity to run the fridge, a new fridge when that one breaks, everything has a cost. She asked me “how do you pay for all this?” It’s a sentiment many adults have looking at their own budgets – and one reason that some folks don’t even make a budget. It’s hard to face up to the realities of how much it costs to do what we want to do. When we design a computing solution, it’s interesting to set up a similar budget, because we don’t always consider all of the costs associated with it. I’ve seen design sessions where the new software or servers are considered, but the “sunk” costs of personnel, networking, maintenance, increased storage, new sizes for backups and offsite storage and so on are not added in. They are already on premises, so they are assumed to be paid for already. When you move to a distributed architecture, you'll see more costs directly reflected. Store something, pay for that storage. If the system is deployed and no one is using it, you’re still paying for it. As you watch those costs rise, you might be tempted to think that a distributed architecture costs more than an on-premises one. And you might be right – for some solutions. I’ve worked with a few clients where moving to a distributed architecture doesn’t make financial sense – so we didn’t implement it. I still designed the system in a distributed fashion, however, so that when it does make sense there isn’t much re-architecting to do. In other cases, however, if you consider all of the on-premises costs and compare those accurately to operating a system in the cloud, the distributed system is much cheaper. Again, I never recommend that you take a “here-or-there-only” mentality – I think a hybrid distributed system is usually best – but each solution is different. There simply is no “one size fits all” to architecting a solution. As you design your solution, cost out each element. You might find that using a hybrid approach saves you money in one design and not in another. It’s a brave new world indeed. So yes, in the cloud, everything costs money. But an on-premises solution also costs money – it’s just that “dad” (the company) is paying for it and we don’t always see it. When we go out on our own in the cloud, we need to ensure that we consider all of the costs.

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• MS Certifications - Useful to your career ?

  - by NeilHambly

  Now I admit I've had mixed feelings on the certification subject previously and of a result I've not looked @ going down the MS Certification route, however with my previous experience this really hasn't hindered my progress any (Thankfully). However as I now have a different perspective for a number of varying reasons of which I will not bore you with the details. I will be undertaking some exams (6 of them) for accredition so right now I'm just formulating my study plans, with my...(read more)

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• Database Activity Monitoring Part 2 - SQL Injection Attacks

  If you think through the web sites you visit on a daily basis the chances are that you will need to login to verify who you are. In most cases your username would be stored in a relational database along with all the other registered users on that web site. Hopefully your password will be encrypted and not stored in plain text.

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• T-SQL Tuesday: Personality Clashes, Style Collisions, and Differences of Opinion

  - by andyleonard

  This post is the twenty-sixth part of a ramble-rant about the software business. The current posts in this series are: Goodwill, Negative and Positive Visions, Quests, Missions Right, Wrong, and Style Follow Me Balance, Part 1 Balance, Part 2 Definition of a Great Team The 15-Minute Meeting Metaproblems: Drama The Right Question Software is Organic, Part 1 Metaproblem: Terror I Don't Work On My Car A Turning Point Human Doings Everything Changes Getting It Right The First Time One-Time Boosts Institutionalized!...(read more)

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• What should PASS be?

  - by RickHeiges

  Recently, there have been some blog posts about what PASS should be? It is great to see these posts because it gives the BoD feedback on how we are doing and where we can improve. When I first started to get involved in PASS back in 2001, PASS was little more than a conference and some loosely affiliated chapters. It wanted to be more and claimed to be more, but it wasn't. The conference was (and still is) our main source of revenue. The website was essentially a brochure for the conference. The...(read more)

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• How can I stop an auto-generated Linq to SQL class from loading ALL data?

  - by Gary McGill

  I have an ASP.NET MVC project, much like the NerdDinner tutorial example. (I'm using MVC 2, but followed the NerdDinner tutorial in order to create it). As per the instructions in part 3 of the tutorial, I've created a Linq-to-SQL model of my database by creating a "Linq to SQL Classes" (.dbml) surface, and dropping my database tables onto it. The designer has automatically added relationships between the generated classes based on my database tables. Let's say that my classes are as per the NerdDinner example, so I have Dinner and RSVP tables, where each Dinner record is associated with many RSVP records - hence in the generated classes, the Dinner object has a RSVPs property which is a list of RSVP objects. My problem is this: it appears (and I'd be gladly proved wrong on this) that as soon as I access a Dinner object, it's loading all of the corresponding RSVP objects, even if I don't use the RSVPs member. First question: is this really the default behavior for the generated classes? In my particular situation, the object graph contains many more tables (which have an order of magnitude more records), and so this is disastrous behaviour - I'd be loading tons of data when all I want to do is show the details of a single parent record. Second question: are there any properties exposed through the designer UI that would let me modify this behavior? (I can't find any). Third question: I've seen a description of how to control the loading of related records in a DataContext by using a DataShape object associated with the DataContext. Is that what I'm meant to do, and if so are there any tutorials like the NerdDinner one that would show not only how to do it, but also suggest a 'pattern' for normal use?

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• SQL Server 2008 R2: StreamInsight changes at RTM: Access to grouping keys via explicit typing

  - by Greg Low

  One of the problems that existed in the CTP3 edition of StreamInsight was an error that occurred if you tried to access the grouping key from within your projection expression. That was a real issue as you always need access to the key. It's a bit like using a GROUP BY in TSQL and then not including the columns you're grouping by in the SELECT clause. You'd see the results but not be able to know which results are which. Look at the following code: var laneSpeeds = from e in vehicleSpeeds group e...(read more)

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