Prewritten, commercially available sets of software programs that eliminate the need for a firm to write its own software programs for certain functions, are referred to as

Every record in a file should contain at least one key field.

________ creates confusion that hampers the creation of information systems that integrate data from different sources.

Microsoft SQL Server is a(n)

The relationship between entities and attributes is best illustrated by

Which of the following is the most popular mobile operating system?

The data dictionary serves as an important data management tool by

Using numerous computers to inundate and overwhelm the network from numerous launch points is called a(n) ________ attack.

A field identified in a table as holding the unique identifier of the table’s records is called the

Evil twins are