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Sql server date functions11/5/2022 This function returns NULL if the arguments are invalid. This converts a datetime value dt from the time zone given by from_tz to the time zone given by to_tz and returns the resulting value. The expr1 is a time or datetime expression, while the expr2 is a time expression. When invoked with the days form of the second argument, MySQL treats it as an integer number of days to be added to expr.ĪDDTIME() adds expr2 to expr1 and returns the result. Mysql> SELECT ADDDATE('', INTERVAL 31 DAY) Mysql> SELECT DATE_ADD('', INTERVAL 31 DAY) For information on the INTERVAL unit argument, see the discussion for DATE_ADD(). The related function SUBDATE() is a synonym for DATE_SUB(). When invoked with the INTERVAL form of the second argument, ADDDATE() is a synonym for DATE_ADD(). Returns the calendar week of the date (1-53)ĪDDDATE(date,INTERVAL expr unit), ADDDATE(expr,days) Returns the date argument converted to days Subtracts an interval from a datetime expression With two arguments, the sum of the argumentsĪdds an interval to a datetime expression With a single argument this function returns the date or datetime expression. Returns the argument converted to secondsĮxtracts the time portion of the expression passed Returns the time at which the function executes When invoked with three arguments a synonym for DATE_SUB() Returns the number of months between periods Returns the last day of the month for the argumentĬreates a date from the year and day of year Returns the weekday index of the argument Sr.No.Įxtracts the date part of a date or datetime expression There are various other functions supported by your RDBMS. The following table has a list of all the important Date and Time related functions available through SQL.
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