DATA WAREHOUSING QUIZ

To analyze data for expected relationships

To confirm that data exists

To create a new data warehouse

To explain some observed event or condition

False

True

False

True

Organized around important subject areas.

Contains numerous naming conventions and formats.

Can be updated by end users.

Contains only current data.

One-to-many

One-to-one

All of these

Many-to-many

False

True

A system that is used to run the business in real time and is based on historical data.

A system that is used to support decision making and is based on current data.

A system that is used to run the business in real time and is based on current data.

A system that is used to support decision making and is based on historical data.

Converts data from multiple fields into one field

Converts data from one field into multiple fields

Converts data from multiple fields into multiple fields

All of these

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

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

False

True