Database Analyst Question:

Tell us when might someone denormalize their data?

Tweet Share WhatsApp

Answer:

Typically done for performance reasons, to reduce the number of table joins. This is not a good idea in a transactional environment as there are inherent data integrity risks or performance risks due to excessive locking to maintain data integrity.

Questions related to the Unified Modeling Language (UML) or Entity-Relationship Diagrams (ERDs) may also be asked here.

Download Database Analyst PDF Read All 61 Database Analyst Questions
Previous QuestionNext Question
Tell us why did you go into data analysis?Can you explain validation?