When answering these questions, it's essential to show your ability to communicate technical concepts in an easy-to-understand manner and describe your work processes.
- What is a SAN, and how is it used?
SAN stands for a Storage Area Network. This is a high-speed, specialized network that gives block-level network access to storage. SANs are used to improve application availability, enhance performance, increase storage utilization and effectiveness and improve data security and protection.
- When is it appropriate to denormalize database design?
Denormalization is a database optimization technique used to improve a database's performance for specific queries. Denormalization may be needed when improvements need to be made to a database for it to meet your application requirements. However, denormalization will have an impact on what your database is able to do, so it's important to make sure it's needed for scalability or performance before choosing to use