Mage wrote: > Andy Dustman wrote: > > > > >Transactions available since 3.23.17 (June 2000) > > > > > Transactions only supported on slow database types like innodb. > > If you ever tried it you cannot say that mysql supports transactions. No. > Last time when I tried mysql 4.x did explicit commit if you simply > disconnected inside a transaction block. It was a year ago, but I will > never forget it.
You know that the default server setting has autocommit on, right? > >>foreign keys, > >> > >> > > > >Foreign keys available since 3.23.44 (Oct 2001) > > > > > They are syntactically accepted but not forced. http://dev.mysql.com/doc/mysql/en/innodb-foreign-key-constraints.html http://dev.mysql.com/doc/mysql/en/error-handling.html # Error: 1215 SQLSTATE: HY000 (ER_CANNOT_ADD_FOREIGN) Message: Cannot add foreign key constraint # Error: 1216 SQLSTATE: 23000 (ER_NO_REFERENCED_ROW) Message: Cannot add or update a child row: a foreign key constraint fails # Error: 1217 SQLSTATE: 23000 (ER_ROW_IS_REFERENCED) Message: Cannot delete or update a parent row: a foreign key constraint fails Foreign keys work. Prior to 3.23, it was just syntactical support. But that was 5 years ago. > I have seen real benchmarks. MySQL 5 is slower than postgresql and it's > also slower than firebird if you do some real work. So use the database that works best for your application. MySQL is not a panacea, but there are a lot of applications it works well for. -- http://mail.python.org/mailman/listinfo/python-list
