Free download: Database Management Systems (2nd Ed.)

Part I BASICS 1
1 INTRODUCTION TO DATABASE SYSTEMS

2 THE ENTITY-RELATIONSHIP MODEL

3 THE RELATIONAL MODEL

Part II RELATIONAL QUERIES 89
4 RELATIONAL ALGEBRA AND CALCULUS

5 SQL: QUERIES, PROGRAMMING, TRIGGERS

6 QUERY-BY-EXAMPLE (QBE)

Part III DATA STORAGE AND INDEXING 193
7 STORING DATA: DISKS AND FILES

8 FILE ORGANIZATIONS AND INDEXES

9 TREE-STRUCTURED INDEXING 247

10 HASH-BASED INDEXING

THE PHILOSOPHY BOOK

Free download Philosophy has been around for a very long time. The time frame for this innovative, accessible, and engaging overview of the subject is 624 B.C to 2008. Philosophers have always asked the right questions and provided us with plenty of food for thought. In the long sweep of history and culture, we see… Read More THE PHILOSOPHY BOOK

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Download Cambridge IELTS 15

IELTS 15 gives students the perfect opportunity to familiarise themselves with IELTS and practise examination techniques using authentic test material. You can choose either an edition containing four complete tests for the Academic module or for the General Training module. An introduction to these different modules is included in each book, together with an explanation… Read More Download Cambridge IELTS 15

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