Hibernate is an ORM (Object Relational Mapping) framework to map Java objects with relational (rows and columns) database tables. ORM tools map Java objects with loaded data fetched from the database for example employee details and update them back to the database with newly provided details. It is a medium…
CAP Theorem defines three characteristics of distributed database systems namely- Consistency, Availability and Partition tolerance. These three characteristics defined the capabilities and in-capabilities of your distributed database system. The CAP theorem is also known as Brewer’s Theorem on the name of professor Eric A. Brewer. A distributed system is a…
ACID properties are the standard that helps to maintain consistency in a database on performing every transaction. It means ensuring integrity, consistency of the database before and after every transaction is performed. ACID properties are one of the most important interview questions. So, better to have an in-depth understanding. Let’s…