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• SQLUniversity Professional Development Week: Learning To Fly

  - by andyleonard

  Introduction Clem and Jim Bob were out hunting the other day in the woods south of Farmville. As they crossed a ridge, they came upon a big ol' Momma Bear and her cub. The larger bear immediately started towards them. Jim Bob took off running as fast as he could. He stopped when he realized Clem wasn't with him. And when he saw Clem reaching into his pack, Jim Bob was incredulous: "Hurry Clem! That bar's comin' fast! You need to out run 'er!" Clem kicked off his boots and pulled running shoes out...(read more)

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• An XEvent a Day (31 of 31) – Event Session DDL Events

  - by Jonathan Kehayias

  To close out this month’s series on Extended Events we’ll look at the DDL Events for the Event Session DDL operations, and how those can be used to track changes to Event Sessions and determine all of the possible outputs that could exist from an Extended Event Session.  One of my least favorite quirks about Extended Events is that there is no way to determine the Events and Actions that may exist inside a Target, except to parse all of the the captured data.  Information about the Event...(read more)

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• SQL in the City (Charlotte) Wrap Up

  - by drsql

  Ok, it has been quite a while since the event, two weeks and a day to be exact, but I needed a rest before hitting Windows Live Writer again. Speaking is exhausting, traveling is exhausting, and well, I replaced my laptop and had to get all of my software back together. (Between Windows 8.1 sync features, Dropbox and Skydrive, it has never been easier…but I digress.) There are plenty of great vendors out there, but one of my favorites has always been Red-Gate. I have written half of a book with them,...(read more)

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• An XEvent a Day (30 of 31) – Tracking Session and Statement Level Waits

  - by Jonathan Kehayias

  While attending PASS Summit this year, I got the opportunity to hang out with Brent Ozar ( Blog | Twitter ) one afternoon while he did some work for Yanni Robel ( Blog | Twitter ).  After looking at the wait stats information, Brent pointed out some potential problem points, and based on that information I pulled up my code for my PASS session the next day on Wait Statistics and Extended Events and made some changes to one of the demo’s so that the Event Session only focused on those potentially...(read more)

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• An XEvent a Day (24 of 31) – What is the package0.callstack Action?

  - by Jonathan Kehayias

  One of the actions inside of Extended Events is the package0.callstack and the only description provided by sys.dm_xe_objects for the object is 16-frame call stack. If you look back at The system_health Session blog post, you’ll notice that the package0.callstack Action has been added to a number of the Events that the PSS team thought were of significance to include in the Event Session. We can trigger an event that will by logged by our system_health Event Session by raising an error of severity...(read more)

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• An XEvent a Day (26 of 31) – Configuring Session Options

  - by Jonathan Kehayias

  There are 7 Session level options that can be configured in Extended Events that affect the way an Event Session operates.  These options can impact performance and should be considered when configuring an Event Session.  I have made use of a few of these periodically throughout this months blog posts, and in today’s blog post I’ll cover each of the options separately, and provide further information about their usage.  Mike Wachal from the Extended Events team at Microsoft, talked...(read more)

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• SQL 2008 Datawarehouse Collection Agent Fails with Mirrored Databases on instance

  - by Dale Wright

  I have a data collection job that fails when a Database on the instance is in Recovery Mode. The database in recovery is the MIRROR partner in the database mirror. The Job that fails is as follows. collection_set_1_noncached_collect_and_upload The job consists of the following steps dcexec -u -s 1 -i "INSTANCE03" EXEC [dbo].[sp syscollector purge collection logs] dcexec -u -s 1 -i "INSTANCE03" The job fails at Step 1. I have run the steps manually and they all appear to be ok. If I change the mirror database to be the principal the job completes successfully.

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• The most dangerous SQL Script in the world!

  - by DrJohn

  In my last blog entry, I outlined how to automate SQL Server database builds from concatenated SQL Scripts. However, I did not mention how I ensure the database is clean before I rebuild it. Clearly a simple DROP/CREATE DATABASE command would suffice; but you may not have permission to execute such commands, especially in a corporate environment controlled by a centralised DBA team. However, you should at least have database owner permissions on the development database so you can actually do your job! Then you can employ my universal "drop all" script which will clear down your database before you run your SQL Scripts to rebuild all the database objects. Why start with a clean database? During the development process, it is all too easy to leave old objects hanging around in the database which can have unforeseen consequences. For example, when you rename a table you may forget to delete the old table and change all the related views to use the new table. Clearly this will mean an end-user querying the views will get the wrong data and your reputation will take a nose dive as a result! Starting with a clean, empty database and then building all your database objects using SQL Scripts using the technique outlined in my previous blog means you know exactly what you have in your database. The database can then be repopulated using SSIS and bingo; you have a data mart "to go". My universal "drop all" SQL Script To ensure you start with a clean database run my universal "drop all" script which you can download from here: 100_drop_all.zip By using the database catalog views, the script finds and drops all of the following database objects: Foreign key relationships Stored procedures Triggers Database triggers Views Tables Functions Partition schemes Partition functions XML Schema Collections Schemas Types Service broker services Service broker queues Service broker contracts Service broker message types SQLCLR assemblies There are two optional sections to the script: drop users and drop roles. You may use these at your peril, particularly as you may well remove your own permissions! Note that the script has a verbose mode which displays the SQL commands it is executing. This can be switched on by setting @debug=1. Running this script against one of the system databases is certainly not recommended! So I advise you to keep a USE database statement at the top of the file. Good luck and be careful!!

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• SQL Server v.Next (Denali) : Why you should start testing early

  - by AaronBertrand

  Denali is coming, whether you like it or not. You may not be an early adopter and you may not have plans on your current calendar, but at some point you will need to move your apps and databases to this release - or one very much like it. There are a lot of great new features you will be able to take advantage of, but not everything is a double rainbow. There are some changes that will break your spirit if you let them. What does it mean? I go over several breaking changes in my presentation that...(read more)

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• SQL language drawbacks, The Third Manifesto

  - by David Portabella

  Sometime ago I read about SQL language drawbacks (the basic language specification, not vendor specific), and one of the drawbacks was that the language does not allow to create a set of tuples that don't come from a table. For instance, SELECT firstName, lastName from people; this creates a set of tuples coming from the table people. Now, if I don't have this table people, and I want to return a constant, I'd need something like this to return a set of two tuples (this would not require to have a table): SELECT VALUES('james', 'dean'), ('tom', 'cruisse'); Why I would need that? Because of the same reasons that we can define constants (not only basic types, but objects and arrays also) in any advanced programming language. Workarounds, Yes, I could create a temporal table, fill the data, and SELECT from that table. This is a hack, to overcome the drawbacks of the poor SQL language. I think that I read about this somewhere in "The Third Manifesto", but I don't find the paragraph/example talking about this concrete drawback anymore. Do you know a reference about it?

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• Best method to implement a filtered search

  - by j0N45

  I would like to ask you, your opinion when it comes to implement a filtered search form. Let's imagine the following case: 1 Big table with lots of columns It might be important to say that this SQL Server You need to implement a form to search data in this table, and in this form you'll have several check boxes that allow you to costumize this search. Now my question here is which one of the following should be the best way to implement the search? Create a stored procedure with a query inside. This stored procedure will check if the parameters are given by the application and in the case they are not given a wildcard will be putted in the query. Create a dynamic query, that is built accordingly to what is given by the application. I am asking this because I know that SQL Server creates an execution plan when the stored procedure is created, in order to optimize its performance, however by creating a dynamic query inside of the stored procedure will we sacrifice the optimization gained by the execution plan? Please tell me what would be the best approach in your oppinion.

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• 4?????????????(Database??)

  - by rika.tokumichi

  ???????????OTN????????? ???????5???????????????????????????????????????? ?????????????????????????????????? ????????????????????????????????????????????????????? ????????????????????????????????????^^ ???Database??????????????4?????????????????????????????????? ??????????? 1?:Oracle Database 11g Release 2?Download? 2?:Oracle Database 10g Express Edition?Download? 3?:Oracle SQL Developer 2.1 (2.1.0.63.73)?Download? 4?:Oracle Database 11g Release 1?Download? 5?:Oracle Database 10g Release 2?Download? (????4?1?~4?30?) ??????????Oracle Database 11g Release2?Windows?????????????????? Oracle Database 11g Release 2?4?????????! Oracle Database 11g Release 2 5??1? ? Oracle Database 10g Express Edition 3??2? ? Oracle SQL Developer 1??3? ? Oracle Database 11g Release 1 2??4? ? Oracle Database 10g Release 2 4??5? ? ???Oracle Database 11g Release2?Windows???????????? ???: >11g R2 on Windows???????! ???:???????????GUI??????/???????????????? >?????!? Oracle Database 11g Release2 - Windows? ???????????(PDF) ????:Oracle Database 11g R2?????????????????????6?15???!! >Oracle Database 11g R2 Windows? ??????!??????????? ???????????

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• CONTAINSTABLE with wildcard works different in SQL Server 2005 and SQL Server 2008?

  - by musuk

  I have two same databases one on SQL Server 2005 and one on SQL Server 2008, it have same SQL_Latin1_General_CP1_CI_AS Collation, and full text search catalogs have the same settings. These two databases contains table with same data, NTEXT string: "...kræve en forklaring fra miljøminister Connie Hedegaard.." My problem is: CONTAINSTABLE on SQL Server 2008 finds nothing if query is: select * from ContainsTable(SearchIndex_7, Content, '"miljø*"') ct but SQL Server 2005 works perfectly and finds necessary record. SQL Server 2008 finds necessary record if query is: select * from ContainsTable(SearchIndex_7, Content, '"milj*"') ct or select * from ContainsTable(SearchIndex_7, Content, '"miljøminister"') What can be reason for so strange behavior?

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• Seeking a GUI auto-format feature for T-SQL

  - by dvanaria

  Is there a freely available GUI tool that will allow interaction with Microsoft SQL Server (via T-SQL) that provides an auto-format feature? I constantly find myself writing queries in SQL Query Analyzer (Microsoft’s standard GUI tool for T-SQL) and cutting/pasting the whole thing into SQLyog (a GUI tool for MySQL), where I can press F12 and have it reformatted into an easily readable, industry standard format. I then cut/paste this back into Query Analyzer to execute. I do this all the time at work and haven’t been able to find an alternative. I realize that SQLyog is no longer free software, but what I’m looking for is a specific alternative to a MS SQL Server interface (with auto-formatting). Thanks in advance for your help.

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• Two Instances of Sql Server (2005 and 2008)

  - by Felipe

  Hi All, I installed Visual Studio 2008 Professional in my machine and It had installed SQL Server Express 2005 database in machine, and I use it very fine! I installed SQL Managment Studio and works great. So, in this week I Installed Visual Studio 2010 Pro in machine and the setup installed the SQL Server express 2008 and it overwrite the instance of my SQL Server Express 2005. All right, Now, I'd like to know how can I have two instances of the SQL Server Express in my Machine, Express 2005 and Express 2008. I can not access the 2005 , only 2008 :( and my projects uses 2005.. Somebody Help me! thanks Bye

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• Advice on database design / SQL for retrieving data with chronological order

  - by Remnant

  I am creating a database that will help keep track of which employees have been on a certain training course. I would like to get some guidance on the best way to design the database. Specifically, each employee must attend the training course each year and my database needs to keep a history of all the dates on which they have attend the course in the past. The end user will use the software as a planning tool to help them book future course dates for employees. When they select a given employee they will see: (a) Last attendance date (b) Projected future attendance date(i.e. last attendance date + 1 calendar year) In terms of my database, any given employee may have multiple past course attendance dates: EmpName AttandanceDate Joe Bloggs 1st Jan 2007 Joe Bloggs 4th Jan 2008 Joe Bloggs 3rd Jan 2009 Joe Bloggs 8th Jan 2010 My question is what is the best way to set up the database to make it easy to retrieve the most recent course attendance date? In the example above, the most recent would be 8th Jan 2010. Is there a good way to use SQL to sort by date and pick the MAX date? My other idea was to add a column called ‘MostRecent’ and just set this to TRUE. EmpName AttandanceDate MostRecent Joe Bloggs 1st Jan 2007 False Joe Bloggs 4th Jan 2008 False Joe Bloggs 3rd Jan 2009 False Joe Bloggs 8th Jan 2010 True I wondered if this would simplify the SQL i.e. SELECT Joe Bloggs WHERE MostRecent = ‘TRUE’ Also, when the user updates a given employee’s attendance record (i.e. with latest attendance date) I could use SQL to: Search for the employee and set the MostRecent value to FALSE Add a new record with MostRecent set to TRUE? Would anybody recommended either method over the other? Or do you have a completely different way of solving this problem?

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• How to Configure and run DataBase Mail in SQL Server

  - by Nasser Hajloo

  How to enable and run Database Mail in SQL Server 2008 . I know that it need Enabling Service Broker Configuring SMTP (a Mail server is needed) Using Configuration Storeprocedure. I don't know what's the relation between application and dataBase mail. Actually How to enable Database mail for a RollBack and Commit Transaction ? (not for all SP , just for some of them)

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• what's a good way to synchronize a sql server 2008 database from a 2005 database automatically?

  - by Keith Nicholas

  Ok, the scenario is... two servers, on completely different parts of the internet. The sql 2008 database just needs to get data updates and schema changes. It doesn't need to send anything to the 2005 database. Basically just suck data and schema as efficiently as possible automatically as a scheduled task. The database is quite huge.... but the changes per day are probablly around 20/30 megabytes of data/ I can't run any of the inbuilt replication on the 2005 database. I've had a wee look at the Sync Framework, I think that might do what I want, but seems a bit painful and requires a bit of work to get going. I'm wondering if there is tooling out there to make this easier? or?? not quite sure what my options are.

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• Cannot open SQL 2005 database in SQL server Management Studio 2008 R2 on Windows 7

  - by Darryl Lawrence

  I have Windows 7 64bit as my OS + SQL Server 2008 R2 installed. I can connect to SQL Databases (2008), but cannot connect to a SQL 2005 database. I can, however, connect to the 2005 SQL Database on a PC that has Windows XP as the OS and also has SQL Server 2008 R2 installed. So it seems that it works fine on XP but not on Windows 7 (32 or 64bit). is this an Operating System issue? Error message: Cannot connect to OMRSQLV016\PRODSQL002. =================================== A network-related or instance-specific error occurred while establishing a connection to SQL Server. The server was not found or was not accessible. Verify that the instance name is correct and that SQL Server is configured to allow remote connections. (provider: SQL Network Interfaces, error: 26 - Error Locating Server/Instance Specified) (.Net SqlClient Data Provider) For help, click: http://go.microsoft.com/fwlink?ProdName=Microsoft+SQL+Server&EvtSrc=MSSQLServer&EvtID=-1&LinkId=20476 Error Number: -1 Severity: 20 State: 0

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• how to create Database project from existing sql server database?

  - by Nimesh

  By using VS TFS Database Edition 2008, how to create dbproject from an existing SQL SERVER database?

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• Which SQL query is faster? Filter on Join criteria or Where clause?

  - by Jon Erickson

  Compare these 2 queries. Is it faster to put the filter on the join criteria or in the were clause. I have always felt that it is faster on the join criteria because it reduces the result set at the soonest possible moment, but I don't know for sure. I'm going to build some tests to see, but I also wanted to get opinions on which would is clearer to read as well. Query 1 SELECT * FROM TableA a INNER JOIN TableXRef x ON a.ID = x.TableAID INNER JOIN TableB b ON x.TableBID = b.ID WHERE a.ID = 1 /* <-- Filter here? */ Query 2 SELECT * FROM TableA a INNER JOIN TableXRef x ON a.ID = x.TableAID AND a.ID = 1 /* <-- Or filter here? */ INNER JOIN TableB b ON x.TableBID = b.ID

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• Database schemas WAY out of sync - need to get up to date without losing data

  - by Zind

  The problem: we have one application that has a portion which is used by a very small subset of the total users, and that part of the application is running off of a separate database as well. In a perfect world, the schemas of the two databases would be synced up, but such is not the case. Some migrations have been run on the smaller database, most haven't; and furthermore, there is nothing such as revision number to be able to easily identify which have and which haven't. We would like to solve this quandary for future projects. During a discussion we've come up with the following possible plan of action, and I am wondering if anyone knows of any project which has already solved this problem: What we would like to do is create an empty database from the schema of the large fully-migrated database, and then move all of the data from the smaller non-migrated database into that empty one. If it makes things easier, it can probably be assumed for the sake of this problem specifically that no migrations have ever removed anything, only added. Else, if there are other known solutions, I'd like to hear them as well.

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• Multiple SQL Server Integration Services (SSIS) database instances on one machine

  - by kumar

  Hi, i want to configured the configuration file to use more than one MSDB database, which are stored in separated database instances in Stored packages of SSIS database. if any body knows let me know ? write in steps how to do..? Regards. kumar

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• sql server 2005 command line install error ADD_LOCAL property already installed

  - by Belliez

  I have a silent installation of SQL Server 2005 that works great when installing SQL Server on a machine that does not have it already installed. I use the following parameters when I perform the installation: #define SQL_SILENT "/passive /qb" #define SQL_USERNAME "username=MyUserName" #define SQL_COMPANYNAME "companyname=MyCompanyName" #define SQL_ADDLOCAL "ADDLOCAL=SQL_Engine" #define SQL_UPGRADE "" #define SQL_DISABLENETWORKPROTOCOLS "disablenetworkprotocols=0" #define SQL_INSTANCENAME "instancename=MYSQLINSTANCE" #define SQL_SQLAUTOSTART "SQLAUTOSTART=1" #define SQL_SECURITYMODE "SECURITYMODE=SQL" #define SQL_SAPWD "SAPWD=StrongPassword" #define SQL_SQLACCOUNT "SQLACCOUNT=""""" #define SQL_SQLPASSWORD "SQLPASSWORD=""""" It installs the instance of SQL Server Express without a problem. However, when I attempt to install SQL Server on a machine that already has another instance with components I get the following error: *"A component that you have specified in the ADD_LOCAL property is already installed. To upgrade the existing component, refer to the template.ini and set the UPGRADE property to the name of the component."* I have also tried using the UPGRADE method as per the error message #define SQL_UPGRADE "UPGRADE=SQL_Engine INSTANCENAME=MYSQLINSTANCE" but get the following error: "SQL Server Setup cannot perform the upgrade because the component is not installed on the computer. To proceed, verify the component to be upgraded in currently installed, and that the component to be upgraded is specified in the ADDLOCAL property." Does anyone have any suggestions? Thank you

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• Database design: one huge table or separate tables?

  - by littlegreen

  Currently I am designing a database for use in our company. We are using SQL Server 2008. The database will hold data gathered from several customers. The goal of the database is to acquire aggregate benchmark numbers over several customers. Recently, I have become worried with the fact that one table in particular will be getting very big. Each customer has approximately 20.000.000 rows of data, and there will soon be 30 customers in the database (if not more). A lot of queries will be done on this table. I am already noticing performance issues and users being temporarily locked out. My question, will we be able to handle this table in the future, or is it better to split this table up into smaller tables for each customer?

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