The only use I ever found for it was setting alarms and starting timers. That was reliable, and faster than opening the app, navigating to an alarm, and manually setting it.
I disabled my assistant entirely though. Setting alarms a little faster is not enough to justify it.
SQL is not traditionally pronounced like "sequel". Sequel was a whole different language.
Official pronunciation for MySQL, SQLite, and PostgreSQL all pronounce each letter.
But "sequel" is probably more common at this point and some of them include it as an alternate pronunciation now.