A) At least one data mart
B) Data that can extracted from numerous internal and external sources
C) Near real-time updates
D) All of the above.
Correct Option - B
Explanation
A) To explain some observed event or condition
B) To confirm that data exists
C) To analyze data for expected relationships
D) To create a new data warehouse
Correct Option - A
Explanation
A) A process to reject data from the data warehouse and to create the necessary indexes
B) A process to load the data in the data warehouse and to create the necessary indexes
C) A process to upgrade the quality of data after it is moved into a data warehouse
D) A process to upgrade the quality of data before it is moved into a data warehouse
Correct Option - D
Explanation
A) At least one data mart
B) Data that can extracted from numerous internal and external sources
C) Near real-time updates
D) All of the above.
Correct Option - D
Explanation
A) Completely denoralized
B) Partially denoralized
C) Completely normalized
D) Partially normalized
Correct Option - C
Explanation
A) A system that is used to run the business in real time and is based on historical data.
B) A system that is used to run the business in real time and is based on current data.
C) A system that is used to support decision making and is based on current data.
D) A system that is used to support decision making and is based on historical data.
Correct Option - B
Explanation
A) A process to change data from a detailed level to a summary level
B) A process to change data from a summary level to a detailed level
C) Joining data from one source into various sources of data
D) Separating data from one source into various sources of data
Correct Option - A
Explanation