Q. What is the primary nature of Type 3 changes in dimension tables?

View solution

Q. When are Type 3 changes typically used in data warehousing?

View solution

Q. What is the purpose of Type 3 changes in data warehousing?

View solution

Q. What is the characteristic of Type 3 changes related to tracking orders through transitions?

View solution

Q. How do Type 3 changes enable tracking forward and backward?

View solution

Q. What is the method for applying Type 3 changes to the data warehouse?

View solution

Q. What is the key characteristic of Type 3 changes in dimension tables?

View solution

Q. What is one of the considerations when dealing with large dimensions in a data warehouse?

View solution

Q. What can be a characteristic of a large dimension in a data warehouse?

View solution

Q. Which dimension is expected to be gigantic for enterprises dealing with the general public?

View solution

Q. What is a challenge when dealing with large dimensions in a data warehouse?

View solution

Q. What is a common characteristic of large dimensions in data warehousing?

View solution

Q. How do multiple hierarchies within a dimension impact users in different departments?

View solution

Q. What is a challenge when dealing with rapidly changing dimensions?

View solution

Q. When is the type 2 approach feasible for handling rapidly changing dimensions?

View solution

Q. How is the existence of multiple rows for the same customer in a rapidly changing dimension noticeable to end-users?

View solution

Q. What is one effective approach for handling large, rapidly changing dimensions in a data warehouse?

View solution

Q. What are "junk dimensions" in the context of data warehousing?

View solution

Q. Why is excluding and discarding all flags and textual data from dimension tables not a good option?

View solution

Q. What is the result of completely normalizing all dimension tables in a STAR schema?

View solution