Chapter 10: Ensuring the Integrity of the Database
William E. Perry
ADATABASE IS A REPOSITORY FOR DATA, BOTH BETWEEN AND DURING PROCESSING. In traditional business systems, transactions constitute an organization’s data. Data can include such items as product prices, messages, status of processing, and error or diagnostic data. Data can also be processing modules, or objects. When stored in a Computer-Aided Software Engineering (CASE) technology environment, databases are often referred to as repositories. This article considers all of these database environments.
In a database environment, data management is separate from data processing. Data management functions that were performed by application programmers in non-database systems may now ...