We have a dozen websites mostly running WordPress, and one Drupal website on Digital Ocean with a 1GB instance. The server was running flawlessly for 6 months, and then MySQL starts to crash every few days unexpectedly with the fol...]

MySQL documentation states the following with respect to the "character set" and "collation" of the data storage in the database.

I've had a chance to with a Postgres database and came across a table with two primary keys. This intrigues me to look up a definition of primary and unique key. I always thought there would only be one primary key in a table, and ...]

There was an error with one of our applications, and I needed to find table rows with duplicate values. The table column was not defined to have a unique index, but we weren't anticipating duplicate values. I needed an easier way ...]