Learn how to master the SELECT statement to form truly useful data queries. This article explains functions, clauses, and keywords that will make your life a lot easier.

Here's a look at different ways to query Hadoop via SQL, some of which are part of the latest edition of MapR's Hadoop distribution ...

Fortinet fixes a critical SQL injection vulnerability in FortiWeb (CVE-2025-25257), posing risks to database security.

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 ...

The bigger your spreadsheet, the more you need INDEX and MATCH functions, which you can combine with SUM, AVERAGE, and MAX to refine your searches.