TIMESTAMP(a,b) is a function (
extraction) that calculates a timestamp value comprising a date value, time value, and 0 microseconds.
Result of TIMESTAMP(a,b) function | |
TIMESTAMP(a) |
a must be a timestamp value or an alphanumeric value that matches the current timestamp format The result is this timestamp 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 timestamp value calculated from a date value, time value, and 0 microseconds. |
a or b is the NULL value |
NULL value |