Chapter 4: SQL Language Elements
4.9.2.34 HOUR function (ODBC compatible)
Syntax
HOUR ( time_expression )
Description
The scalar function HOUR returns the hour in the argument as a short integer value in the range of 0 - 23.
Example
SELECT *
FROM arrivals
WHERE HOUR (in_time) < 12 ;
Notes
- The argument to the function must be of type TIME.
- The argument must be specified in the format hh:mi:ss.
- The result is of type SHORT.
- If the argument expression evaluates to null, the result is null.