## TIMESTAMP(a,b)

TIMESTAMP(a,b) is a function (extraction) that calculates from the expressions a and b a time stamp value comprising a date value, time value, and 0 microseconds.

| Result of TIMESTAMP(a,b) Function
TIMESTAMP(a) | a must be a time stamp value or an alphanumeric value that matches the current time stamp format The result is this time stamp value.
TIMESTAMP(a,b) | a must be a date value and b a time value (or alphanumeric value that matches the current format for date and time values). The result is a time stamp value calculated from a date value, time value, and 0 microseconds.
a or b is the NULL value | NULL Value