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Chapter 1 Introduction 1

1.1 Database-System Applications 1

1.2 Purpose of Database Systems 3

1.3 View of Data 6

1.4 Database Languages 9

1.5 Relational Databases 12

1.6 Database Design 15

1.7 Data Storage and Querying 20

1.8 Transaction Management 22

1.9 Database Architecture 23

1.10 Data Mining and Information Retrieval 27

1.11 Specialty Databases 28

1.12 Database Users and Administrators 29

1.13 History of Database Systems 31

1.14 Summary 33

Review Terms 35

Practice Exercises 35

Exercises 36

Tools 36

Bibliographical Notes 36

PART ONE RELATIONAL DATABASES 41

Chapter 2 Introduction to the Relational Model 41

2.1 Structure of Relational Databases 41

2.2 Database Schema 44

2.3 Keys 47

2.4 Schema Diagrams 48

2.5 Relational Query Languages 49

2.6 Relational Operations 50

2.7 Summary 54

Review Terms 54

Practice Exercises 55

Exercises 56

Bibliographical Notes 57

Chapter 3 Introduction to SQL 59

3.1 Overview of the SQL Query Language 59

3.2 SQL Data Definition 60

3.3 Basic Structure of SQL Queries 65

3.4 Additional Basic Operations 76

3.5 Set Operations 81

3.6 Null Values 85

3.7 Aggregate Functions 86

3.8 Nested Subqueries 92

3.9 Modification of the Database 100

3.10 Summary 106

Review Terms 106

Practice Exercises 107

Exercises 110

Tools 113

Bibliographical Notes 114

Chapter 4 Intermediate SQL 115

4.1 Join Expressions 115

4.2 Views 122

4.3 Transactions 129

4.4 Integrity Constraints 130

4.5 SQL Data Types and Schemas 138

4.6 Authorization 145

4.7 Summary 152

Review Terms 153

Practice Exercises 154

Exercises 157

Bibliographical Notes 158

Chapter 5 Advanced SQL 159

5.1 Accessing SQL From a Programming Language 159

5.2 Functions and Procedures 175

5.3 Triggers 182

5.4 Recursive Queries 189

5.5 Advanced Aggregation Features 194

5.6 OLAP 199

5.7 Summary 211

Review Terms 212

Practice Exercises 213

Exercises 214

Tools 218

Bibliographical Notes 218

Chapter 6 Formal Relational Query Languages 218

6.1 The Relational Algebra 219

6.2 The Tuple Relational Calculus 241

6.3 The Domain Relational Calculus 247

6.4 Summary 250

Review Terms 251

Practice Exercises 251

Exercises 254

Bibliographical Notes 256

PART TWO DATABASE DESIGN 259

Chapter 7 Database Design and the E-R Model 259

7.1 Overview of the Design Process 259

7.2 The Entity-Relationship Model 262

7.3 Constraints 269

7.4 Removing Redundant Attributes in Entity Sets 272

7.5 Entity-Relationship Diagrams 274

7.6 Reduction to Relational Schemas 283

7.7 Entity-Relationship Design Issues 290

7.8 Extended E-R Features 295

7.9 Alternative Notations for Modeling Data 304

7.10 Other Aspects of Database Design 310

7.11 Summary 313

Review Terms 315

Practice Exercises 315

Exercises 319

Tools 321

Bibliographical Notes 321

Chapter 8 Relational Database Design 323

8.1 Features of Good Relational Designs 323

8.2 Atomic Domains and First Normal Form 327

8.3 Decomposition Using Functional Dependencies 329

8.4 Functional-Dependency Theory 338

8.5 Algorithms for Decomposition 348

8.6 Decomposition Using Multivalued Dependencies 355

8.7 More Normal Forms 360

8.8 Database-Design Process 361

8.9 Modeling Temporal Data 364

8.10 Summary 367

Review Terms 368

Practice Exercises 368

Exercises 372

Bibliographical Notes 374

Chapter 9 Application Design and Development 374

9.1 Application Programs and User Interfaces 375

9.2 Web Fundamentals 377

9.3 Servlets and JSP 383

9.4 Application Architectures 391

9.5 Rapid Application Development 396

9.6 Application Performance 400

9.7 Application Security 402

9.8 Encryption and Its Applications 411

9.9 Summary 417

Review Terms 418

Practice Exercises 419

Exercises 421

Project Suggestions 422

Tools 426

Bibliographical Notes 426

PART THREE DATA STORAGE,QUERYING,AND TRANSACTION MANAGEMENT 426

Chapter 10 Data Storage and Data Access 426

10.1 Overview of Physical Storage Media 429

10.2 Magnetic Disk and Flash Storage 432

10.3 Organization of Files and Records 440

10.4 Data-Dictionary Storage 445

10.5 Database Buffer 448

10.6 Basic Concepts of Index 451

10.7 Ordered Indices 452

10.8 B+-Tree Index Files 460

10.9 Hash File Organization and Hash Index 474

10.10 Index Definition in SQL 482

10.11 Summary 483

Review Terms 486

Practice Exercises 487

Exercises 488

Bibliographical Notes 489

Chapter 11 Query Processing and Query Optimization 489

11.1 Overview 491

11.2 Measures of Query Cost 493

11.3 Implementation of Relational Algebra Operation 495

11.4 Evaluation of Expressions 509

11.5 Query Optimization 512

11.6 Summary 533

Review Terms 535

Practice Exercises 536

Exercises 537

Bibliographical Notes 538

Chapter 12 Transaction Management 541

12.1 Transaction Concept 541

12.2 Transaction Atomicity and Durability 545

12.3 Transaction Isolation 548

12.4 Serializability 554

12.5 Recoverability 557

12.6 Concurrency Control 559

12.7 Recovery System 573

12.8 Summary 584

Review Terms 587

Practice Exercises 589

Exercises 590

Bibliographical Notes 592

PART FOUR ADVANCED TOPICS 597

Chapter 13 Data Warehousing and Mining 597

13.1 Decision-Support Systems 597

13.2 Data Warehousing 599

13.3 Data Mining 603

13.4 Summary 610

Review Terms 611

Practice Exercises 612

Exercises 612

Tools 613

Bibliographical Notes 613

Chapter 14 Object-Based Databases 615

14.1 Overview 615

14.2 Complex Data Types 616

14.3 Structured Types and Inheritance in SQL 619

14.4 Table Inheritance 624

14.5 Array and Multiset Types in SQL 626

14.6 Object-Identity and Reference Types in SQL 631

14.7 Implementing O-R Features 633

14.8 Persistent Programming Languages 634

14.9 Object-Relational Mapping 643

14.10 Object-Oriented versus Object-Relational 643

14.11 Summary 645

Review Terms 645

Practice Exercises 646

Exercises 648

Tools 650

Bibliographical Notes 650

Chapter 15 XML 651

15.1 Motivation 651

15.2 Structure of XML Data 656

15.3 XML Document Schema 660

15.4 Querying and Transformation 668

15.5 Application Program Interfaces to XML 678

15.6 Storage of XML Data 679

15.7 XML Applications 686

15.8 Summary 689

Review Terms 690

Practice Exercises 691

Exercises 693

Tools 694

Bibliographical Notes 694

Chapter 16 Advanced Application Development 694

16.1 Performance Tuning 697

16.2 Performance Benchmarks 713

16.3 Other Issues in Application Development 716

16.4 Standardization 719

16.5 Summary 724

Review Terms 725

Practice Exercises 725

Exercises 726

Bibliographical Notes 727

Bibliography 729