Q. To apply type 3 changes of slowly changing dimensions, overwrite the attribute value in the dimension table row with the new value.

View solution

Q. Type 1 changes for slowly changing dimensions relate to correction of errors.

View solution

Q. Which type of dimension change involves corrections to the data in a data warehouse?

View solution

Q. What is a key consideration for standardizing facts in data warehousing?

View solution

Q. What is the purpose of using conformed dimensions in a data warehouse?

View solution

Q. Which of the following is an example of a type of fact that needs to be standardized?

View solution

Q. What is one of the key requirements for standardizing facts in data warehousing?

View solution

Q. What is a key requirement for dimensions to be considered conformed in a data warehouse?

View solution

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

View solution

Q. What are some units that may be part of the value circle of a large health maintenance organization?

View solution

Q. In a healthcare institution, what kind of structure is often observed when adding value to patient services?

View solution

Q. What is the primary purpose of creating STAR schemas for different steps in a value chain in a business?

View solution

Q. In a manufacturing business, what are the typical steps through which a product travels before becoming finished goods?

View solution

Q. What is the primary advantage of using core and custom tables in a data warehouse for businesses with diverse products and services?

View solution

Q. In a family of STARS with core and custom tables, what is the purpose of the custom fact tables?

View solution

Q. In a bank's data warehouse, what does the core fact table typically contain?

View solution

Q. What kind of questions are typically addressed by a snapshot schema in a telephone company's data warehouse?

View solution

Q. What kind of data analysis is primarily supported by a transaction schema?

View solution

Q. In which type of business does it make sense to have a schema capturing transaction data that supports strategic decision making and revenue analysis?

View solution

Q. In what kind of business would it make sense to have families of STAR schemas consisting of transaction and snapshot schemas?

View solution