DATA WAREHOUSING QUIZ

False

True

Many-to-many

One-to-many

One-to-one

All of these

True

False

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

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

True

False

False

True

False

True

True

False

True

False

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

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

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

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