Foreign Key Editor
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NO ACTION
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Does not change the foreign key; may cause the primary key update to fail due to referential integrity checks;
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RESTRICT
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The same as NO ACTION;
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CASCADE
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For ON DELETE, deletes the corresponding foreign key; for ON UPDATE, updates the corresponding foreign key to the new value of the primary key;
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SET NULL
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Sets all the columns of the corresponding foreign key to NULL;
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SET DEFAULT
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Sets every column of the corresponding foreign key to its default value in effect when the referential integrity constraint is defined; when the default for a foreign column changes after the referential integrity constraint is defined, the change does not have an effect on the default value used in the referential integrity constraint.
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See also:
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Table Editor
Field Editor Check Editor Index Editor Compile Window |
Availability:
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Windows Professional
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Yes
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Windows Lite
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Yes
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Linux Professional
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Yes
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Linux Lite
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Yes
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