Teach Yourself SQL in 21 Days by Perkins, Jeff

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Teach Yourself SQL in 21 Days by Ronald R. Plew

Teach Yourself Pl/SQL in 21 Days (Sams Teach Yourself)

Sams Teach Yourself SQL in 21 Days by Jeff Perkins (1997, Trade Paperback)

Sams Teach Yourself Transact-SQL in 21 Days- 0672319675, Lowell Mauer, paperback

SQL in 10 Minutes, Sams Teach Yourself (4th Edition) - Paperback - GOOD