Common T-SQL Functions

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August 12, 2011 by cryan.com

There are some of  the most used Date/Time functions in SQL Server 2008:

• GetDate() - Current system date and time
• DateAdd() - A date produced by adding date parts to another date
• DatePart() - Part of a datetime or smalldatetime value (for example, the month) as an integer
• DateDiff() - The amount of time between the second and first of two dates, converted to the specified date part (for example, months, days, hours)
• DateName() - Part of a datetime or smalldatetime value as an ASCII string
• Day() - Displays the day in a datetime field
• Month() - Displays the month in a datetime field
• Year() - Displays the year in a datetime field

This is the most commonly use Date Query. It returns the current date in the following format: August 12, 2011

SELECT CONVERT(VARCHAR(12), GETDATE(), 107) AS [Mon DD, YYYY]