Groff, James R. SQL : the complete reference / James R. Groff and Paul N. Weinberg. - 2nd ed. - New York : McGraw-Hill, 2003. - xxiv, 1050 p. + 1 CD-ROM. ISBN: 0072225602 : Subjects--Topical Terms: SQL (computer program language) LC Class. No.: QA76.73 / .S67G762 2003