SQL For Dummies (8^th Ed.)

Uncover the secrets of SQL and start building better relational databases today! This fun and friendly guide will help you demystify database management systems so you can create more powerful databases and access information with ease. Updated for the latest SQL functionality, SQL For Dummies, 8th Edition covers the core SQL language and shows you how to use SQL to structure a DBMS, implement a database design, secure your data, and retrieve information when you need it. Includes new enhancements of SQL:2011, including temporal data functionality which allows you to set valid times for transactions to occur and helps prevent database corruption Covers creating, accessing, manipulating, maintaining, and storing information in relational database management systems like Access, Oracle, SQL Server, and MySQL Provides tips for keeping your data safe from theft, accidental or malicious corruption, or loss due to equipment failures and advice on eliminating errors in your work Don′t be daunted by database development anymore – get SQL For Dummies, 8th Edition , and you′ll be on your way to SQL stardom.

Introduction 1 Part I: Getting Started with SQL 3 Chapter 1: Relational Database Fundamentals 5 Chapter 2: SQL Fundamentals 21 Chapter 3: The Components of SQL 51 Part II: Using SQL to Build Databases 79 Chapter 4: Building and Maintaining a Simple Database Structure 81 Chapter 5: Building a Multitable Relational Database 105 Part III: Storing and Retrieving Data 137 Chapter 6: Manipulating Database Data 139 Chapter 7: Handling Temporal Data 157 Chapter 8: Specifying Values 171 Chapter 9: Using Advanced SQL Value Expressions 197 Chapter 10: Zeroing In on the Data You Want 211 Chapter 11: Using Relational Operators 243 Chapter 12: Delving Deep with Nested Queries 267 Chapter 13: Recursive Queries 285 Part IV: Controlling Operations 295 Chapter 14: Providing Database Security 297 Chapter 15: Protecting Data 313 Chapter 16: Using SQL within Applications 333 Part V: Taking SQL to the Real World 347 Chapter 17: Accessing Data with ODBC and JDBC 349 Chapter 18: Operating on XML Data with SQL 359 Part VI: Advanced Topics 381 Chapter 19: Stepping through a Dataset with Cursors 383 Chapter 20: Adding Procedural Capabilities with Persistent Stored Modules 393 Chapter 21: Handling Errors 411 Chapter 22: Triggers 423 Part VII: The Part of Tens 429 Chapter 23: Ten Common Mistakes 431 Chapter 24: Ten Retrieval Tips 435 Appendix: SQL: 2011 Reserved Words 439 Index 443

Who we are targeting: The primary audience for this book includes professional database developers, system administrators, database administrators, and web developers who want a handy, easy–to–understand reference. Secondary audiences include anyone who must retrieve information from a relational database by making ad–hoc queries.