Three ways to build a Comma Separate Values List from a table: COALESCE, a smart SELECT, or a cursor. Written for SQL Server 2005 with VARCHAR(MAX).
SQL SERVER – UDF – Function to Convert List to Table
A UDF, udf_List2Table, to convert list to table with any delimiter you choose. Written for SQL Server 2005 with VARCHAR(MAX), and easy to adapt for 2000.
SQL SERVER – 2005 Enable CLR using T-SQL script
In SQL Server 2005 the CLR is off by default. Here is the sp_configure script to enable CLR, turning on show advanced options and then clr enabled.
SQL SERVER – UDF – User Defined Function to Find Weekdays Between Two Dates
A user defined function that returns the number of weekdays between two dates, skipping Saturday and Sunday. It was written by Alexander Chigrik.
ASIN: A Sine Ratio Does Not Recover Every Original Angle
ASIN returns an angle from a sine ratio. Preserve the original branch, use explicit units and keep invalid or missing ratios visible.
What Is a Heap in SQL Server?
A heap in SQL Server is a table with no clustered index. Forwarded records pushed one count from 11,113 reads to 199,844, and a single REBUILD put it back. When a heap is fine and when it is not.
SQL SERVER – What DBCC Memory Cache Commands Actually Clear
SQL Server retains memory caches to support later work. I investigate memory pressure before trying to release them.
SQL SERVER – Enable Login – Disable Login using ALTER LOGIN – Change name of the ‘SA’
ALTER LOGIN can enable, disable or rename a SQL Server login. I verify another administrative access path before changing sa.
SQL SERVER – FIX : ERROR 1101 : Could not allocate a new page for database because of insufficient disk space in filegroup
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.
SQL SERVER – 2005 TOP Improvements/Enhancements
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.