So my question is: Is there a way to use MySQL to edit the mythtv data so if it reports a start time of HH:01:00, it would be replaced with HH:00:00, and if it were HH:59:00 it would be replaced ...

How to Assign a Value to a Variable in MySQL. MySQL user-defined variables are used to pass values from one statement to another. They are connection specific.

Historically, the dominant principle for data handling in MySQL has been, “Garbage in, garbage out.” However, as of MySQL 5.0.2, several SQL modes are available that enable you to reject bad ...