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Contents: 1 Introduction Database Management System, 2 Database Architecture, 3 File Organization Techniques, 4 Data Models: Object Based Logic Model, 5 Enhanced E - R Diagram (EER), 6 Other Data Models, 7 Relational Data Models, 8 Relational Algebra, 9 Structured Query Language (SQL), 10 Advance SQL, 11 QBE and QUEL, 12 Normalization Fundamental, 13 Normalization, 14 Database Security and Integrity Constraints, 15 Query Processing and Optimization, 16 Transaction Processing Concepts, 17 Concurrency Control Techniques, 18 Distributed Database, 19 Emerging Database Technologies, 20 Study of RDBMS Through Oracle, 21 An Introduction to PL/SQL, 22 Appendix A: Embedded and Dynamic SQL, 23 Appendix B: Posture SQL, 24 Appendix C: My SQL, 25 Index.