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 ...

I recently was talking to someone over IRC who was helping me with a PHP app that was giving me trouble. The extremely helpful individual asked me to let him know the value of a certain field in a ...

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 ...

How to add data into MySQL tables from the command line Your email has been sent So you’re new to MySQL database administration. You’ve probably already installed ...

SELECT * FROM `the_table` WHERE `field1` LIKE 'string%' OR `field2` LIKE 'string%' OR `field3` LIKE 'string%' OR `field4` LIKE 'string%' OR `field5` LIKE 'string%' OR `field6` LIKE 'string%' 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 ...

Don't be afraid of using your chosen database's command-line client. I might as well say this up front: I don't like using GUI (aka non-command-line or graphical) tools with my databases. This is ...