DBMS-Relational Query Languages Questions and Answers
Relational Query Languages questions with answers test a candidate’s command over SQL and relational algebra, essential in database management system (DBMS) exams. From SELECT queries to JOIN operations and set-based functions, these concepts are heavily emphasized in placement tests by TCS, Wipro, and Infosys. This section offers detailed programming questions and answers with SQL query explanations, ensuring that learners understand both syntax and logic. Practicing these DBMS query-based MCQs strengthens problem-solving and prepares you for database-related technical interviews and coding challenges.
DBMS-Relational Query Languages
Showing 10 of
45 questions
41. QBE was originally developed by
- Dr. E.F. Codd
- M.M. Zloof
- T.J. Watson
- None of these
42. What will be result of statement such as SELECT * FROM EMPLOYEE WHERE SALARY IN (4000, 8000)?
- all employees whose salary is either 4000 or 8000.
- all employees whose salary is between 4000 and 8000
- all employees whose salary is not between 4000 and 8000
- None of these
44. Which of the following is not a DCL statement
- ROLLBACK
- GRANT
- REVOKE
- None of these