manual.texi:

  Cleanup
parent 7024e035
...@@ -38065,7 +38065,7 @@ foreign key constraint to a table through ...@@ -38065,7 +38065,7 @@ foreign key constraint to a table through
ALTER TABLE yourtablename ADD CONSTRAINT FOREIGN KEY (...) REFERENCES anothertablename(...) ALTER TABLE yourtablename ADD CONSTRAINT FOREIGN KEY (...) REFERENCES anothertablename(...)
@end example @end example
Remember to create the required indexes first, though. Remember to create the required indexes first, though.
Starting from version 3.23.50, InnoDB does not check foreign key Starting from version 3.23.50, InnoDB does not check foreign key
constraints on those foreign key or referenced key values constraints on those foreign key or referenced key values
which contain a NULL column. which contain a NULL column.
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