On Sun, Mar 19, 2017 at 8:16 PM, Patrick B <patrickbake...@gmail.com> wrote:
> Hi guys, > > I've got a column 'type_note' on a new table that it's being designed: > > type_note varchar(32) NOT NULL; > > On that column, there will be three different data: > > 1. yes > 2. no > 3. maybe > > I wanna create a FK but just when the data on that column is = maybe. > > How can I do that? Thanks! > > Why just "maybe"? Since there can only be three valid answers, why not FK for all three? -- *Melvin Davidson* I reserve the right to fantasize. Whether or not you wish to share my fantasy is entirely up to you.
