Visual Basic 2005 for Programmers: Deitel Developer Series, Second Edition
by Paul J. Deitel - Deitel & Associates, Inc., Harvey M. Deitel - Deitel & Associates, Inc.
20.1. Introduction
A database is an organized collection of data. Many strategies exist for organizing data to facilitate easy access and manipulation. A database management system(DBMS) provides mechanisms for storing, organizing, retrieving and modifying data for many users. Database management systems allow access to and storage of data independently of the internal representation of the data.
Today’s most popular database systems are relational databases. A language called SQL—pronounced “sequel,” or as its individual letters—is the international standard language used almost universally with relational databases to perform queries(i.e., to request information that satisfies given criteria) and to manipulate data. In this book, we pronounce ...
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