DBMS MCQ Questions and Answers
DBMS MCQ questions with answers form a vital part of technical exams and campus interviews. This topic explores database concepts, normalization, SQL queries, transaction management, and ER models. Practicing programming questions and answers from this section strengthens your database design and query optimization skills. These questions are frequently asked in GATE, Infosys, TCS, and Wipro assessments, making them essential for students and professionals alike. Detailed solutions and explanations make this section perfect for both beginners and advanced learners aiming to master database management fundamentals.
DBMS MCQ
Showing 10 of
527 questions
73. Which oracle command has the explicit commit statement
- Grant
- Insert
- Drop
- Create
74. Which type of row id for the propionate does the oracle global index uses
- partial
- full
- restricted
- Extend
75. Which function implements the IF-THEN-ELSE statement
- Decode
- Encode
- Replace
- IF-ELSE
76. The output of the query SELECT REPLACE ( RTRIM (
- ANTICIPASHUNON
- ANTICISHUNONPATION
- ANTICIPAONSHUN
- None
77. We can use any arithmetic operators in any clause of sql except
- Where
- having
- from
- grouping
78. On Which side the outer join condition the join symbol should be there
- Both sides of the condition
- Either side of the condition
- The side that is deficient condition in information
- None of the above
79. Consider the following query SELECT DNAME, ENAME FROM DEPT D, EMP E WHERE D.DEPTNO=E. DEPTNO ORDER BY DNAME, NAME This join is called as
- outer join
- inner join
- equi join
- normal join
80. What is the number of the values a sub query using the in operator can return to the parent query
- 1
- 32456
- 0
- unlimited