Introduction To Database Management Systems: (According To A7-R3 Syllabus For Doeacc 'A' Level Examination) ('A' Level Made Simple)

This book presents a discussion on different database models in easy-to-understand language.Concepts of DBMS architecture,DBMS administration and database design are discussed in such a manner that students of all streams can understand this subject very easily.Structured query language (SQL) embedded sql,relational algebra,tuple relational calculus and domain relational calculus are explained with maximum number of examples as well as with simple and complex specimen queries.A special characteristic of this book is book is that solved test paper is included at the end of each chapter. Readers can evaluate their progress easily by writing answers to these questions