Overview: Consistent SQL practice across varied platforms builds real job-ready confidence.Guided lessons help beginners, while timed challenges sharpen intervi ...

The MySQL query language works in that it constructs data records by selecting data from already existing data records. Many people use MySQL databases to power marketing and sales websites, ...

I don't know if this is the right place for this question or not but I'm hoping someone can point me in the right direction. I have a project in mind that requires a database and I would like to begin ...

A common SQL habit is to use SELECT * on a query, because it’s tedious to list all the columns you need. Plus, sometimes those columns may change over time, so why not just do things the easy way? But ...