Exam 1: Database Systems

A(n)___________________________________ is a collection of programs that manages the database structure and controls access to the data stored in the database.

____ exists when different versions of the same data appear in different places.

A query language is a procedural language.

____ data exist in the format in which they were collected.

A data warehouse can store data derived from many sources.

What are some reasons for studying file systems?

Accurate,relevant,and timely information is the key to ____.

A(n)____________________ develops when all required changes in the redundant data are not made successfully.

____________________ exists when the same data are stored unnecessarily at different places.

Corporations use only structured data.