On Nov 9, 2007 9:41 AM, Sebastian Hennebrueder <[EMAIL PROTECTED]> wrote: > If the queries are complex, this is understable. I had a performance > review of a Hibernate project (Java Object Relation Mapping) using > MySQL. ORM produces easily "complex" queries with joins and subqueries. > MySQL uses nested loops for subqueries which lead to performance issues > with growing database size. > > They state in their documentation that for version 5.2 there are > improvements planned regarding this kind of query.
So, MySQL 5.2 will be catching up to version 7.1 or 7.2 of PostgreSQL in that regard? ---------------------------(end of broadcast)--------------------------- TIP 7: You can help support the PostgreSQL project by donating at http://www.postgresql.org/about/donate