Which of the following occurs during data cleansing
A-Clean data marts
B-Clean redundant customer data
C-Clean accurate data
D-Clean correct data
What is extraction, transformation, and loading (ETL)?
A-It is a process of entering data, tracking data, and loading it into a database
B-It is a process that extracts information from internal and external databases, transforms it using a common set of enterprise definitions, and loads it into a data warehouse
C-It is a process that is performed at the beginning of the data mining model
D-It is a process that is performed at the end of the data warehouse model prior to putting the information in a cube
In Microsoft Word, you can use data validation to control the type of data or the values that users enter into a cell.
A-True
B-False