![]() ![]() The ERD or database design of the sample movie database is here (open in new tab, or save, to see a larger version): Why is this helpful? Firstly, you can understand more about how a movie database might work.Īlso, you can practice SQL against realistic data and write your own queries, both simple (how many movies has Tom Cruise been in?) and complex (which movies have Tom Cruise and Matt Damon both been in?).
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