TY - BOOK AU - Date,C.J. TI - An introduction to database systems SN - 9814053252 AV - QA76.9.D3 D3659 2000 U1 - 005.74 21 PY - 2000/// CY - Reading, Mass. PB - Addison-Wesley KW - Database management N1 - Includes index; Includes bibliographical references ER -