Posts by José Florentino • 66 points

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  A: How to make a Unique field for each Foreign key?

  If it is via command just use this command to add a Constraint compound: ALTER TABLE Persons ADD CONSTRAINT UC_Person UNIQUE (ID,LastName); If it were via SGBD just edit the table, select the fields…

  mysql sql

  answered 6 years ago José Florentino 66