The class I did was largely focused on relational algebra. So we learned the formal language of that (which I've largely forgotten) but did many practical exerc

The class I did was largely focused on relational algebra. So we learned the formal language of that (which I've largely forgotten) but did many practical exercises in SQL. I think it was valuable, since "thinking in sets" is something that people who only do linear algebra or algorithms might not be used to and so they carry a more linear problem-solving thought process with them.