TBA716

Each characteristic or quality describing a particular entity is called an attribute.True

• True

• False

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

• True

• False

A data warehouse is typically comprised of several smaller data marts.

• True

• False

OLAP is used for multidimensional data analysis.

• True

• False

Data administration is a function that manages the policies to manage data.

• True

• False

Duplicate data in multiple data files is called data ________.

• Independence

• Repetition

• Partition

• Redundancy

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

• Primary field

• Primary key

• Unique ID

• Empty field

In a Relational Database, which answer are not the three basic operations to develop useful sets of data?

• Select

• Join

• Project

• Where

The most prominent data manipulation language today is _____.

• DB2

• Crystal reports

• SQL

• Access

Process of streamlining data to minimize redundancy and awkward many-to-may relationships is ___.

• Data defining

• Data cleansing

• Normalization

• Data scrubing