Pinal Dave - SQL Server Performance Tuning Expert

SQL SERVER – Primary Key Must Not Contain NULL – Primary Key are NOT NULL

May 31, 2007

While reviewing the search engine log for this blog I found lots of search regarding Nullable Primary Key. It is not possible. This post is especially to clear the Not Nullable Primary Key Property. The Allow Nulls property can’t be set on a column that is part of the primary…

SQLAuthority.com News – Best SQL Job Search – Best SQL Job List – Find SQL Jobs

May 30, 2007

Pinal Dave

SQL, SQL Server, SQL Tips and Tricks, SQLAuthority News

Database, DBA, SQL Jobs

SQLAuthority.com News – Best SQL Job Search – Best SQL Job List – Find SQL Jobs Visit : I have been receiving two kind of requests almost every day. 1) Recruiters and Employers asking where can they find good candidates who are truly dedicated to SQL Server? 2) Job seeker…

SQL SERVER – Trace Flags – DBCC TRACEON

May 30, 2007

Pinal Dave

SQL, SQL Server, SQL Tips and Tricks

SQL Scripts, SQL Server DBCC

Trace flags are valuable tools as they allow DBA to enable or disable a database function temporarily. Once a trace flag is turned on, it remains on until either manually turned off or SQL Server restarted. Only users in the sysadmin fixed server role can turn on trace flags. If…

SQL SERVER – Fix : Error : Server: Msg 544, Level 16, State 1, Line 1 Cannot insert explicit value for identity column in table

May 30, 2007

Pinal Dave

SQL, SQL Server, SQL Tips and Tricks

SQL Error Messages, SQL Identity, SQL Scripts

Error Message: Server: Msg 544, Level 16, State 1, Line 1 Cannot insert explicit value for identity column in table when IDENTITY_INSERT is set to OFF. This error message appears when you try to insert a value into a column for which the IDENTITY property was declared, but without having…

SQL SERVER – 2005 Change Database Compatible Level – Backward Compatibility

May 29, 2007

Pinal Dave

SQL, SQL Server, SQL Tips and Tricks

Database Compatible Level, SQL Scripts, SQL Stored Procedure

sp_dbcmptlevel Sets certain database behaviors to be compatible with the specified version of SQL Server. Example: ----SQL Server 2005 database compatible level to SQL Server 2000 EXEC sp_dbcmptlevel AdventureWorks, 80; GO ----SQL Server 2000 database compatible level to SQL Server 2005 EXEC sp_dbcmptlevel AdventureWorks, 90; GO Version of SQL Server…

SQL SERVER – User Defined Functions (UDF) Limitations

May 29, 2007

Pinal Dave

SQL, SQL Server, SQL Tips and Tricks

SQL Function

UDF have its own advantage and usage but in this article we will see the limitation of UDF. Things UDF can not do and why Stored Procedure are considered as more flexible then UDFs. Stored Procedure are more flexibility then User Defined Functions(UDF). UDF has No Access to Structural and…

SQLAuthority News – Author Visit – Meeting with Readers – Top Three Features of SQL SERVER 2005

May 28, 2007

Pinal Dave

SQL, SQL Server, SQL Tips and Tricks

Best Practices, SQLAuthority Author Visit

Lots of travelers are visiting to Las Vegas due to long weekend of Memorial Day. I was invited to dinner meeting by two of my readers. It was wonderful discussion with them. We primarily discussed about scalability and upgrading issues about SQL Server. I received feedback about SQLAuthority.com site. There…