What is the difference between a DBMS and an RDBMS?
A. DBMS supports only flat files; RDBMS supports relational tables
B. There is no difference
C. DBMS is a subset of RDBMS
D. DBMS does not support relationships; RDBMS does
Answer: Option D
Solution (By JKSSB Mock Tests)
RDBMS is a type of DBMS that organizes data in tables with relationships, enforcing referential integrity using primary and foreign keys, while a DBMS may not support such relationships.
Explanation:
An Index is a performance optimization structure created on table columns to search and locate matching rows quickly without performing a full table scan.
No comments yet. Be the first to start the discussion!