17 MARCH 2021 CURRENT AFFAIRS QUIZ

Data that can extracted from numerous internal and external sources

At least one data mart

Near real-time updates

All of these

False

True

Separating data from one source into various sources of data

A process to change data from a detailed level to a summary level

Joining data from one source into various sources of data

A process to change data from a summary level to a detailed level

To confirm that data exists

To explain some observed event or condition

To create a new data warehouse

To analyze data for expected relationships

False

True

False

True

Completely normalized

Partially denoralized

Partially normalized

Completely denoralized

Can be updated by end users.

Organized around important subject areas.

Contains only current data.

Contains numerous naming conventions and formats.

Data in which changes to existing records cause the previous version of the records to be eliminated

Data that are never deleted once they have been added

Data that are never altered or deleted once they have been added

Data in which changes to existing records do not cause the previous version of the records to be eliminated

False

True