Assuring optimal performance of database applications starts with coding properly formulated SQL. Poorly written SQL and application code is the cause of most performance problems. As much as 75% of ...

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 ...

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

With its January 2010 acquisition of Sun Microsystems, Oracle gained the MySQL open source database management software (DBMS) platform for enterprise IT environments. MySQL, which uses SQL ...

Shelley Doll finishes her coverage of SQL data types with an overview of datetime and interval data types. Learn more about the basic syntax of these standard SQL types. Datetimes and intervals are ...

Learn how to access a MySQL database from the Web using PHP, including how to read from and write to the database and how to filter potentially troublesome input data. Previously, in our work with PHP ...

I'm a big fan of MySQL. The community edition of the MySQL server, as the open-source database is formally known, is a popular choice for both development and deployment because it checks all the ...