Read this SQL tutorial to learn when to use SELECT, JOIN, subselects and UNION to access multiple tables with a single statement. It’s sometimes difficult to know which SQL syntax to use when ...
Don't be afraid of using your chosen database's command-line client. I might as well say this up front: I don't like using GUI (aka non-command-line or graphical) tools with my databases. This is ...
You all know the INSERT ... SELECT command in mySQL. Basically you select stuff and insert it directly into another table. I want to do the reverse. This is kinda what I want to do, but obviously it ...