adplus-dvertising
frame-decoration

Question

In Type 1 changes, when should the old value in the source system be preserved?

a.

Always

b.

When there is no significance to the change

c.

Only if the change is related to marital status

d.

When the change is a correction of an error

Posted under Data Warehousing and OLAP

Answer: (d).When the change is a correction of an error Explanation:The old value in the source system needs to be preserved in Type 1 changes only when the change is a correction of an error.

Engage with the Community - Add Your Comment

Confused About the Answer? Ask for Details Here.

Know the Explanation? Add it Here.

Q. In Type 1 changes, when should the old value in the source system be preserved?
Add Comment

Similar Questions

Discover Related MCQs

Q. What is the method for applying Type 1 changes to the data warehouse?

View solution

Q. When is Type 2 change applied to dimension tables?

View solution

Q. What is the essential requirement for implementing Type 2 changes in a data warehouse?

View solution

Q. How are orders for a customer with Type 2 changes in marital status separated in the data warehouse?

View solution

Q. What is the method for applying Type 2 changes to the data warehouse?

View solution

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
View All MCQs on Data Warehousing and OLAP

Suggested Topics

Are you eager to expand your knowledge beyond Data Warehousing and OLAP? We've curated a selection of related categories that you might find intriguing.

Click on the categories below to discover a wealth of MCQs and enrich your understanding of Computer Science. Happy exploring!

Microprocessor

Understand the heart of your computer with our Microprocessor MCQs. Topics include...

Software Architecture and Design

Get a strong hold on the blueprint of software systems with our Software Architecture...

Data Science

Discover the fascinating world of extracting insights from data with our Data Science...

Neural Networks

Dive into the world of Artificial Intelligence with our Neural Networks MCQs. Uncover...

Big Data Computing

Enhance your understanding of Big Data Computing with our comprehensive MCQs. Explore...

Systems Analysis and Design Methods

Get familiar with the process of designing and improving business systems with our...

Data Warehousing and OLAP

Strengthen your knowledge of Data Warehousing and OLAP with our specialized MCQs....

C Programming

Master one of the most widely used programming languages with our C Programming MCQs....

Object Oriented Programming

Enhance your coding skills with our Object Oriented Programming MCQs. Understand...