Which statements are correct for RDBMS? There are 3 correct answers to this question.
A . Manage large amounts of data in a multiuser environment so that many users can concurrently access the same data.
B . Control access to data in terms of security, using its own user authorization concept
C . Maintain relationships between data
D . Recover data to point of known consstency n the event of a system failure
E . Deliver high performance for processing of data requests
Answer: A,C,E