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Rated: 4.5  (30 reviews)

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Rick Greenwald, Robert Stackowiak, Jonathan Stern

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Rated: 4.0  (11 reviews)

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Steven Feuerstein, Bill Pribyl

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Guy Harrison, Steven Feuerstein

Rated: 4.5  (11 reviews)

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Jeff Smith, Patrick McGrath, Bert Scalzo

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Oracle PL/SQL Best Practices
By
Steven Feuerstein

Rated: 4.0  (12 reviews)

SQL Tuning
By
Dan Tow

Rated: 4.5  (15 reviews)

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MySQL Pocket Reference: SQL Functions and Utilities (Pocket Reference (O'Reilly))
By
George Reese

Rated: 5.0  (8 reviews)

Mastering Oracle SQL, 2nd Edition
By
Sanjay Mishra, Alan Beaulieu

Rated: 4.0  (11 reviews)

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Rated: 4.5  (17 reviews)

SQL In A Nutshell, 2nd Edition
By
Kevin Kline, Daniel Kline, Brand Hunt

Rated: 4.0  (35 reviews)