SQL Tutorials - 9.System Functions_2 : LTRIM / RTRIM / DATEDIFF / DATEPART / DATEADD
In this tutorials we will learn the second group of the system functions :
1. LTRIM Function: Return a character expression after it removes leading blanks
2. RTRIM Function : Return a character expression after it removes trailing blanks
3. DATEDIFF Function : Return the number of date and time between two specified dates
4. DATEPART Function : Returns a specified part of a date (as integer)
5. DATEADD Function : Adds a time/date to a date and then returns the date
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