said by cdru: said by loli:
I think I also figured out how to deal with my updating question.
Are you updating a table and saving the sum?
Yeah. Just for practice purpose I'm trying to come up with simple problems to deal with updating and nested queries. I've seen selects inside selects or something of that nature.
Normalizing I get a sense of it's usage. »www.sqlcourse2.com/joins.html--
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