Celko, Joe Joe Celko's SQL puzzles & answers / Joe Celko's SQL puzzles and answers Joe Celko - San Francisco, Calif. : Morgan Kaufmann, c1997 - 192 p. : ill. Includes index ISBN: 1558604537 Subjects--Topical Terms: SQL (COMPUTER PROGRAM LANGUAGE) LC Class. No.: QA76.73 .S67 / C444J