DATABASE MANAGEMENT SYSTEMS has become necessary tool for managing and storing data. The book provides an up-to-date coverage of the database systems and explains the concepts in a simple, elegant and easy understandable format. Apart from theoretical explanations, the book provides a practical approach and includes many diagrammatic illustrations, database security, transaction management, embedded SQL, dynamic SQL, indexing, hashing, data warehousing and data mining. The book can act as a complete reference for Oracle on line examination.SALIENT FEATURES:* Detailed description of the characteristics of the database approach* Details the context of relational data model and other data models* Relational algebra concepts* Worked out examples with screen shots for SQL queries* SQL concepts explained from fundamentals to advanced concepts * Security issues and need for constraints in database system* Study of relational database design with examples* Focus on transaction processing and concurrency control* Study on database recovery and storage* Retrieval of data from database and query processing* Explanation for data warehousing and data mining'* Programming concept of PL/SQL.