DATA WAREHOUSING QUIZ

One-to-one

Many-to-many

All of these

One-to-many

All of these

Fact

Dimension

Helper

True

False

Current data intended to be the single source for all decision support systems.

Data stored in one operational system in the organization.

Data that has been selected and formatted for end-user support applications.

Data stored in the various operational systems throughout the organization.

All of these

At least one data mart

Near real-time updates

Data that can extracted from numerous internal and external sources

False

True

A process to upgrade the quality of data before it is moved into a data warehouse

A process to load the data in the data warehouse and to create the necessary indexes

A process to reject data from the data warehouse and to create the necessary indexes

A process to upgrade the quality of data after it is moved into a data warehouse

False

True

True

False

True

False