I agree that data structures and algs are central, but I think one other point is that you need very narrow knowledge of each subject - hash tables, btrees, sorting, basic tree structures. I think knowing enough to understand different query plans and knowing when to use a hash table can get you pretty far.
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I agree that data structures and algs are central, but I think one other point is that you need very narrow knowledge of each subject - hash tables, btrees, sorting, basic tree structures. I think knowing enough to understand different query plans and knowing when to use a hash table can get you pretty far.