πŸ‘©πŸ»β€πŸ’» SQL

1.[SQL] κ°„λ‹¨ν•œ 데이터 μΆ”μΆœν•˜κ³  λΆ„μ„ν•˜κΈ°(1) - SELECT, FROM, WHERE, LIMIT

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2.[SQL] κ°„λ‹¨ν•œ 데이터 μΆ”μΆœν•˜κ³  λΆ„μ„ν•˜κΈ°(2) - 집계 ν•¨μˆ˜, GROUP BY, HAVING, ORDER BY

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