On Wednesday 13 October 2004 10:33 am, Ulrich Seppi wrote: > Hello people, > does anybody know if Foreign keys increase the performance of select > querys? example. > DB1 has only INNODB tables. > DB2 has the same structure as DB1 with all possible foreign keys.
Huh? You might want to read what a foreign key is.. It has nothing to do with speeding anything up.. http://dev.mysql.com/doc/mysql/en/InnoDB_foreign_key_constraints.html Jeff
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