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Nov
12
comment How to make a trigger that will compare input with a value of other table?
thank you men, this is the most complete answer that I ever had received, thank you a lot!!!
Nov
12
comment How to make a trigger that will compare input with a value of other table?
I have added the constraints witch I have needed at single table level. Now I'm gonna try your suggestion, thanks
Nov
12
comment How to make a trigger that will compare input with a value of other table?
yes, InnoDB is the engine. I insert by fixed SQL queries and manual. no procedures yet.