Explore topic-wise MCQs in Structured Query Language (SQL).

This section includes 4 Mcqs, each offering curated multiple-choice questions to sharpen your Structured Query Language (SQL) knowledge and support exam preparation. Choose a topic below to get started.

1.

emp_id, ACTIVE, emp_id * 314, UPPER(lname?

A. emp_id, Status, emp_pi, last_name
B. Error
C. None of the mentioned
Answer» C. None of the mentioned
2.

What is the need of “column Aliases” in “SELECT” clause?$

A. To assign a new label to the column in result set
B. To overwrite the existing column name in result set
C. To modify the column name while using literals, Expression, built_in functions with “SELECT clause
D. All of the mentioned
Answer» C. To modify the column name while using literals, Expression, built_in functions with ‚Äö√Ñ√∂‚àö√ë‚àö‚à´SELECT clause
3.

Yes, “FROM” is not used$

A. No
B. Depends
C. None of the mentioned
Answer» C. None of the mentioned
4.

Which among the following can also be included with “SELECT” clause while writing query in Mysql?

A. Literals
B. Expressions
C. User defined functions
D. All of the mentioned
Answer» E.