The Database Environment and Development Process

An organized collection of logically related data.

A quadrillion bytes.

Stored representations of objects and events that have meaning and importance in the user’s environment.

Data that have been processed in such a way as to increase the knowledge of the person who uses the data.

Data that describe the properties or characteristics of end-user data and the context of those data.

Data are once removed from data.

• TRUE

• FALSE

Answer explanation

Metadata. It describe the properties of data but are separate from that data.

A collection of related records

An application program (or set of related programs) that is used to perform a series of database activities (create, read, update, and delete) on behalf of database users.

Disadvantages of File Processing Systems

• Duplication of Data

• Limited Data Sharing

• Lengthy Development Times

• Excessive Program Maintenance

• Program-data Dependence

Because applications are often developed independently in file processing systems, unplanned duplicate data files are the rule rather than the exception.