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Welcome to the SQL Queries,Constraints and Triggers MCQs Page

Dive deep into the fascinating world of SQL Queries,Constraints and Triggers with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of SQL Queries,Constraints and Triggers, a crucial aspect of DBMS. In this section, you will encounter a diverse range of MCQs that cover various aspects of SQL Queries,Constraints and Triggers, from the basic principles to advanced topics. Each question is thoughtfully crafted to challenge your knowledge and deepen your understanding of this critical subcategory within DBMS.

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Check out the MCQs below to embark on an enriching journey through SQL Queries,Constraints and Triggers. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of DBMS.

Note: Each MCQ comes with multiple answer choices. Select the most appropriate option and test your understanding of SQL Queries,Constraints and Triggers. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

SQL Queries,Constraints and Triggers MCQs | Page 1 of 17

Explore more Topics under DBMS

Q1.
Which schema object instructs Oracle to connect to a remotely access an object of a database?
Discuss
Answer: (d).Data link
Discuss
Answer: (d).Both Insert and Update
Q3.
Which of the following object types below cannot be replicated?
Discuss
Answer: (d).Sequence
Discuss
Answer: (b).By using ALTER SYSTEM SWITCH LOGFILE
Q5.
In the following query, which expression is evaluated first?

SELECT id_number, (quantity - 100 / 0.15 - 35 * 20) FROM inventory
Discuss
Answer: (a).100 / 0.15
Q6.
The ORDER BY clause can only be used in
Discuss
Answer: (a).SELECT queries
Discuss
Answer: (a).Column and Functional
Discuss
Answer: (a).Performs crash recovery when a failed instance starts up again
Discuss
Answer: (d).SELECT deptno, avg(sal) FROM emp GROUP BY deptno;
Discuss
Answer: (b).select job, sum(sal) from emp where comm is null group by job having sum(sal) > 2500;

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