Posts by Daniel Rodrigues • 11 points

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  A: How can I not let you register any foreign key?

  First, a primary key cannot be VARCHAR (as far as I know). I advise you to create another field id, for example, integer type, and use it as table primary key Eleitor. And for the foreign key you…

  mysql sql database

  answered 6 years, 11 months ago Daniel Rodrigues 11