Storing Unix timestamps in a 64-bit signed integer field would probably be fine in that situation. The only downsides that come to mind are that you'd have to m

Storing Unix timestamps in a 64-bit signed integer field would probably be fine in that situation. The only downsides that come to mind are that you'd have to manually convert the number to an actual date when using it, and that you'd lose easy access to date-related functionality in the database.