Restrictions on foreign keys-opracowanie

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Restrictions on foreign keys. Support for foreign key constraints in MySQL Cluster NDB 7.3 is
comparable to that provided by InnoDB, subject to the following restrictions:
• ON UPDATE CASCADE is not supported when the reference is to the parent table's primary key.
• SET DEFAULT is not supported. (Also not supported by InnoDB.)
• The NO ACTION keywords are accepted but treated as RESCRICT. (Also the same as with
For more information, see Section, “Using FOREIGN KEY Constraints”, and
Section, “FOREIGN KEY Constraints”.
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