You may hear or read about locks and latches and assume these terms are being used interchangeably. After all, if you search for synonyms for the word “lock”, you’ll find “latch” as a potential substitute:
In database terms, lock and latch are similar but have unique purposes of their own. It’s not as simple as “you say toMAYto, I say toMAHto.”
Click through for the difference and a few details on latches.