Posts by Rafael • 1 point

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  A: Trigger executes if a column value is 'Database I'

  Uses the EXISTS in front of the if, "If there are Rows...". Note: Use the NOT EXISTS for when not returning Rows: IF EXISTS(select * From Realiza_matricula Where Nomedisc = 'Banco de Dados I') THEN…

  mysql database trigger

  answered 6 years ago Rafael 1