Do you ever find yourself juggling queries to get the information you need? Subselects, also called subqueries, may be just what you’ve been looking for. This SQL feature allows you to query ...

SQL is a convenient way to manage and query your data, but badly written queries can tie up your database. Here are seven common SQL traps and how to avoid them.

When I finally unraveled the nested views, which had several unnecessary joins and columns, and wrote a plain query, the time for that same query dropped to subseconds. 3. Do use table-valued ...