If we create a refreshable materialized view (RMV) based on a remote MySQL table and that remote table becomes temporarily unavailable, the RMV may continue to have issues even after MySQL remote ...

In MySQL it's about 4 seconds vs. about 1.5 minutes. I believe MySQL is creating a temporary table with the entire contents of the subquery where as SQL Server's optimizer is doing something smarter.

Fastest Way to Check if MYSQL Table Exists in PHP. Dynamic PHP pages give you the option to choose a MySQL table dynamically from which to query. You must ensure that the table exists before ...