Introduction
Welcome to database development using SQL, the industry-standard database query language. Many database management system (DBMS) tools run on a variety of hardware platforms. The differences among the tools can be great, but all serious products have one thing in common: They support SQL data access and manipulation. If you know SQL, you can build relational databases and get useful information out of them.
About This Book
Relational database management systems are vital to many organizations. People often think that creating and maintaining these systems must be extremely complex activities — the domain of database gurus who possess enlightenment beyond that of mere mortals. This book sweeps away the database mystique. In this book, you
Get to the roots of databases.
Find out how a DBMS is structured.
Discover the major functional components of SQL.
Build a database.
Protect a database from harm.
Operate on database data.
Determine how to get the information you want ...
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