Which way to select only date part from DATETIME is faster? After more tests on large tables, I now suggest the DATEADD and DATEDIFF method over CONVERT.
SQL SERVER – Get Common Records From Two Tables Without Using Join
Sachin wanted common records from two tables without writing a join condition. Imran Mohammed shows how INTERSECT in SQL Server 2005 does it.
SQL SERVER – Introduction and Example of UNION and UNION ALL
A simple example of UNION and UNION ALL with two table variables. UNION removes the duplicate rows, while UNION ALL keeps every row from both tables.
SQL SERVER – Get Numeric Value From Alpha Numeric String – UDF for Get Numeric Numbers Only
A simple UDF that gets only the numbers from an alpha numeric string, using PATINDEX and STUFF, with test values for empty, NULL and mixed strings.
SQL SERVER – 2008 – Enhenced TRIM() Function – Remove Trailing Spaces, Leading Spaces, White Space, Tabs, Carriage Returns, Line Feeds
Need to remove trailing spaces, leading spaces, tabs, carriage returns and line feeds? Here is an enhanced TRIM function built from a script by Russ and Erik.
SQL SERVER – 2008 – TRIM() Function – User Defined Function
SQL Server 2000, 2005 and 2008 have no TRIM() function, but LTRIM and RTRIM together do the job. Here is a simple UDF that trims both sides at once.
SUBSTRING Boundaries: Start at Zero, One or Beyond
SUBSTRING boundaries distinguish start zero, start one and positions past the end. Read empty strings, shortened counts and typed NULL results.





