Author Question: Metadata about the data's source, format, assumptions, and constraints are kept in a data warehouse ... (Read 88 times)

nenivikky · **on:** Jul 7, 2018

Metadata about the data's source, format, assumptions, and constraints are kept in a data warehouse metadata database.

Indicate whether the statement is true or false

Question 2

A surrogate key should be considered when ________.

A) A relationship is N:M
B) A composite key is required
C) The key contains a lengthy text field
D) The key contains a number