Dimensional databases are used to track historical data and therefore must have a ________.
A) time dimension
B) customer dimension
C) sales dimension
D) either A or B
E) both A and B
Correct Answer:
Verified
Q29: OLAP provides the ability to sum,count,average,and perform
Q30: A star schema resembles a star,with a
Q35: The term drill down refers to the
Q68: Data warehouses are populated with data prepared
Q68: Snowflake schemas have normalized _.
A)fact tables
B)dimension tables
C)map
Q70: Data warehouse data is often stored in
Q72: In the snowflake schema,the _ tables are
Q74: To deal with historical data values,dimensional databases
Q75: A dimensional database uses a(n)_.
Q76: In a snowflake schema,each dimension table is
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents