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Determining if a Date is a Weekday in T-SQL

create function fn_IsWeekDay
(
@date datetime
)
returns bit
as
begin

declare @dtfirst int
declare @dtweek int
declare @iswkday bit

set @dtfirst = @@datefirst – 1
set @dtweek = datepart(weekday, @date) – 1

if (@dtfirst + @dtweek) [...]

[TSQL]How to get list of Table in MS-SQL

USE [TABLE_NAME]
SELECT *
FROM sys.Tables
ORDER BY NAME

List all the Stored Procedures of a Database and their Definitions using T-SQL in SQL Server 2005/2008

SELECT obj.Name as SPName,
modu.definition as SPDefinition,
obj.create_date as SPCreationDate
FROM sys.sql_modules modu
INNER JOIN sys.objects obj
ON modu.object_id = obj.object_id
WHERE obj.type = ‘P’

SQL Change column name in table

Using the Query Analyzer may not be the right way always, you can use the SQL syntax as given below, if you are unable to have access to use the query analyzer
For Oracle 9i, the syntax is :
ALTER TABLE table_name
RENAME COLUMN old_name to new_name;
For Microsoft SQL the syntax is :
EXEC sp_rename ‘Table.[OldColumnName]‘, NewColumnName, ‘COLUMN’
*Note here [...]