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 ...

Intermediate SQL tutorial demonstrating REGEXP for advanced filtering, IF & CASE statements to create categories, SUBQUERIES for complex analysis, and JOINS for combining multiple tables — all shown ...

Ok, I need a hand with my general SQL Theory here. (Hey, the more you teach me, the less questions I'll ask going forward!) Anyway, I am trying to put together a report. I can pull the data using temp ...

I have an app that I'm building where I'm storing family information in one table, and then the members of a family in another. This just seems to make the most sense. Here's a boiled down version of ...