How to calculate days between two timestamps?
Some database systems use DATE_SUBTRACT or DATE_BETWEEN functions. In Firebird, it's dead simple, just subtract the timestamps and you'll get the value:
select end_stamp - start_stamp
If you don't know which one is bigger, use ABS function.
Do you find this FAQ incorrect or incomplete? Please e-mail
needs to be changed. To ensure quality, each change is checked by our editors (and often tested on live Firebird
databases), before it enters the main FAQ database. If you desire so, the
changes will be credited to your name. To learn more, visit our add content
All contents are copyright © 2007-2023 FirebirdFAQ.org unless otherwise stated in the text.