THIS_WEEK scalar function
The THIS_WEEK function returns the first day of the week that contains the specified date. Sunday is considered the first day of that week.
The schema is SYSIBM.
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datetime-expression
- An expression that specifies a date for which first day of the week is to be returned. The expression must return a value that is a DATE, a TIMESTAMP, a CHAR, or a VARCHAR data type. In a Unicode database, the expression can also be a GRAPHIC or VARGRAPHIC data type. CHAR, VARCHAR, GRAPHIC, and VARGRAPHIC are supported using implicit casting. If datetime-expression is a CHAR, VARCHAR, GRAPHIC, or VARGRAPHIC data type, it must be a valid string accepted by the TIMESTAMP scalar function.
This function returns a value of data type DATE. If the argument can be null, the result can be null. If the argument is null, the result is the null value.
Example
values this_week ('1996-02-29')
Result: 1996-02-25