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Author: WikiMatrix
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English[en]
SQL:2003 specifies 5 different referential actions that shall take place in such occurrences: CASCADE RESTRICT NO ACTION SET NULL SET DEFAULT Whenever rows in the master (referenced) table are deleted (or updated), the respective rows of the child (referencing) table with a matching foreign key column will be deleted (or updated) as well.
Spanish[es]
SQL:2003 especifica 5 acciones referenciales diferentes que se ejecutarán en estos casos: CASCADE RESTRICT NO ACTION SET NULL SET DEFAULT Cada vez que se eliminan o se actualizan las filas de la tabla maestra, se eliminarán o actualizarán las respectivas filas de la tabla hija.