The Language of SQL- P3:Research has shown that, being pressed for time, most readers tend to skip the introduction of any book they happen to read and then proceed immediately to the first real chapter. With that fact firmly in mind, we will only cover relatively unimportant material in the introduction, such as an explanation of what you will and will not learn by reading this book. | x Contents Correlated Subquery Looking Chapter 18 Maintaining Data Definition Table Table Primary Keys and Foreign Creating Creating Looking Chapter 19 Principles of Database Goals of How to Normalize The Art of Database Alternatives to Looking Chapter 20 Strategies for Displaying Beyond Reporting Tools and Crosstab Spreadsheets and Pivot Looking Appendix A Getting Started with Microsoft SQL Installing SQL Server Express 2008 . 215 Installing SQL Server Management Using SQL Server Management Appendix B Getting Started with Installing MySQL Community Installing MySQL Using MySQL Contents xi Appendix C Getting Started with Installing Oracle Database Express Using Oracle Database Express Appendix D Listing of All SQL Introduction Research has shown that being pressed for time most readers tend to skip the introduction of any book they happen to read and then proceed immediately to the first real chapter. With that fact firmly in mind we will only cover relatively unimportant material in the introduction such as an explanation of what you will and will not learn by reading this book. On second thought perhaps the introduction really is relevant so you might as well stick with it. We ll make it brief. Even if you re not yet familiar with SQL suffice it to say that it is a complex language with many components and features. In this book we re going to focus on one main topic How to use SQL to retrieve data from a database To a lesser extent we will also cover How to update data in a database How to build and maintain databases How to design .
