I'm trying to port an application from SQL Server to MySQL (5.6.4) and running into performance issues. MySQL happens to be running on OS X Server, but this seems more like a UNIX question. SELECT ...

so far, the subqueries we saw do not depend on any other query , and it will execute the subquery just once. but when it comes to a correlated subquery it's going to be slightly different. for every ...

so far, the subqueries we saw do not depend on any other query , and it will execute the subquery just once. but when it comes to a correlated subquery it's going to be slightly different. for every ...