MySQL table primary keys and unique indexes prevent multiple rows with the same index from being added to the table. If you try to insert a duplicate row with a ...

For database administrators (DBAs), keeping databases running at peak performance can be a little like spinning plates: It takes agility, concentration, quick reactions, a cool head, and an occasional ...

Recently, I became the owner of more than a thousand records of Go (an ancient oriental strategic board game) games played by professional or amateur players. All the games were stored in Smart Game ...