You need both since there is a small (very small) probability that two users in different threads pass validation of the same new value and then both of them reach the db.
On Jan 5, 10:04 pm, Christopher Helck <[email protected]> wrote: > Is it better to add validation at the DB level through Field level > constraints like 'unique' or to validate at the form? When would it make > sense to validate at the DB level? > > Thanks, > C. Helck
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