All depends on your manager.
When I had a not so nice manager, the job was something I dreaded going to everyday. Eventually changes happened and we got a new, younger manager who did everything in their power to be firm but fair and didn't nitpick everything you did.
I learned how to do scheduling, some month end paperwork, learned about KPIs and a little bit into how to train - more... new staff. A lot of the learning was either word of mouth/dvds or endless booklets. It needed some serious upgrades however.
There was alot of pressure to make KPIs, which wasn't always easy when traffic was next to nothing, or we didn't have ... - less