Database Analyst Question:
Tell us when might someone denormalize their data?

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.
Questions related to the Unified Modeling Language (UML) or Entity-Relationship Diagrams (ERDs) may also be asked here.
Previous Question | Next Question |
Tell us why did you go into data analysis? | Can you explain validation? |