Preece, Linda L. Oracle SQL and introductory PL/SQL / Linda L. Preece. - Boston : McGraw-Hill, 2004. - xvi, 246 p. ; 26 cm. ISBN: 0072860464 TZS 30000/= Subjects--Topical Terms: SQL (Computer program language)PL/SQL (Computer program language) Dewey Class. No.: 005.133 PRE