One of the tasks nearly any sysadmin frequently encounters is the care and feeding of the MySQL database server. You can build an entire career around nothing but this topic—making you a DB admin, not ...

MySQL database servers may not come with graphical administration tools, but that is the price your small business pays for free database software. The fact that MySQL's standard administrative tool ...

Sequences in MySQL help ensure that values aren't repeated, and many applications require database tables to have an incrementing "id" column. The MySQL syntax offers several ways to avoid repeating ...

Overview: SQL remains a core skill for data management across industries in 2026Free courses build fundamentals while paid programs offer structure and certific ...

What’s your average success rate of getting a SQL statement right on the first try? In best case, you botched a simple statement without side effects and just have to try again with correct syntax or ...

SQL JOINs make it easy to find and fix missing data Your email has been sent Many people are confused by various JOIN operations supported by SQL. Learn to master the SQL command line with this crash ...

Out of all the programming languages you need to learn in the IT industry, SQL is one of the most important. SQL is so integral to modern big data access and organization processes that it’s never a ...