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SQL SERVER – Enable Login – Disable Login using ALTER LOGIN – Change name of the ‘SA’

May 3, 2007
Pinal Dave
SQL Tips and Tricks
SQL Login, SQL Scripts, SQL Server, SQL Server Security

ALTER LOGIN can enable, disable or rename a SQL Server login. I verify another administrative access path before changing sa.

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SQL SERVER - FIX : ERROR 1101 : Could not allocate a new page for database because of insufficient disk space in filegroup

SQL SERVER – FIX : ERROR 1101 : Could not allocate a new page for database because of insufficient disk space in filegroup

May 2, 2007
Pinal Dave
SQL Tips and Tricks
SQL Backup and Restore, SQL Data Storage, SQL Error Messages

Error 1101, could not allocate a new page because of insufficient disk space in filegroup. Free up hard disk space and turn on AUTOGROW for the filegroups.

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SQL SERVER - 2005 TOP Improvements/Enhancements

SQL SERVER – 2005 TOP Improvements/Enhancements

May 2, 2007
Pinal Dave
SQL Performance
SQL Scripts

SQL Server 2005 brings two enhancements to the TOP clause: pass a variable or sub-query as the TOP value, and use TOP in INSERT, UPDATE and DELETE.

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SQL SERVER - User Defined Functions (UDF) to Reverse String - UDF_ReverseString

SQL SERVER – User Defined Functions (UDF) to Reverse String – UDF_ReverseString

May 1, 2007
Pinal Dave
SQL Tips and Tricks
SQL Function, SQL Scripts, SQL String

UDF_ReverseString returns a reversed string starting from any position you pass. The script of the function plus usage examples, like reversing from the third character.

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SQL SERVER - Copy Column Headers in Query Analyzers in Result Set

SQL SERVER – Copy Column Headers in Query Analyzers in Result Set

May 1, 2007
Pinal Dave
SQL Tips and Tricks
Best Practices

To copy column headers with your results in Query Analyzer, set Results to Text, Tab Delimited and turn on Print column headers in Options. Video included.

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SQLAuthority.com 100th Post - Gratitude Note to Readers

SQLAuthority.com 100th Post – Gratitude Note to Readers

May 1, 2007
Pinal Dave
Personal

A thank you note on the 100th post of SQLAuthority.com, to my readers for their emails, comments and support, and to my parents for their love.

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Two nearly identical brass keys lying side by side on a workbench, one cut with a single notch in a different place.

SQL SERVER – Collate – Case Sensitive SQL Query Search

April 30, 2007
Pinal Dave
SQL Tips and Tricks
SQL Collation, SQL Scripts, SQL Search, SQL Server, SQL Utility

Make a SQL Query Search case sensitive: add COLLATE Latin1_General_CS_AS to the WHERE clause so ‘casesearch’ matches one row instead of all four.

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SQL SERVER - FIX : ERROR : Msg 3159, Level 16, State 1, Line 1 - Msg 3013, Level 16, State 1, Line 1

SQL SERVER – FIX : ERROR : Msg 3159, Level 16, State 1, Line 1 – Msg 3013, Level 16, State 1, Line 1

April 30, 2007
Pinal Dave
SQL Performance
SQL Backup and Restore, SQL Error Messages, SQL Scripts, SQL Server Security

Msg 3159 says the tail of the log was not backed up, then Msg 3013 ends RESTORE DATABASE. A script that worked in SQL Server 2000 failed in 2005, and here is why.

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A gouache seed-sorting chute uses a removable red stop block to limit material reaching one tray, with another tray waiting nearby.

SQL SERVER – SET ROWCOUNT and TOP Precedence with Deterministic Limits

April 30, 2007
Pinal Dave
SQL Tips and Tricks
SQL Cursor, SQL Scripts, SQL Server, SQL Server Security

SET ROWCOUNT limits the session, while TOP limits a statement. I reset ROWCOUNT after testing so later queries keep their intended limits.

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Gouache painting: on a felt-lined bench in a rehearsal room, four drumsticks lie jumbled

STRING_SPLIT Ordinals: Order the Rows You Read

April 29, 2007
Pinal Dave
SQL Tips and Tricks
SQL Function, SQL Order By, SQL Server, SQL String

STRING_SPLIT ordinals preserve a token position for SQL Server 2022 and later. This example keeps duplicate tokens, exposes an empty token and orders the returned rows explicitly.

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