TY - BOOK AU - Date, C. J. TI - Introduction to database systems SN - 8178082314 U1 - 005.74 PY - 2000/// CY - Delhi PB - Pearson Education KW - Integrity KW - Relational databases KW - Security KW - Semantic modeling KW - SQL N1 - Includes appendices, bibliographical references and index; Bookland, Guwahati ER -