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

This section includes 12 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.

The keyword used with UNION that retains duplicate rows is ______________

A. ALL
B. NARROW
C. STRICT
D. DISTINCT
Answer» B. NARROW
2.

The keyword used with UNION that does not retain duplicate rows is _____________

A. ALL
B. NARROW
C. STRICT
D. DISTINCT
Answer» E.
3.

The following MySQL statement is valid.

A. True
B. FalseView Answer
Answer» B. FalseView Answer
4.

The grant table that stores users who can connect to the server and their global privileges are ______________

A. user
B. db
C. tables_priv
D. procs_priv
Answer» B. db
5.

THE_KEYWORD_USED_WITH_UNION_THAT_DOES_NOT_RETAIN_DUPLICATE_ROWS_IS______________?$

A. ALL
B. NARROW
C. STRICT
D. DISTINCT
Answer» B. NARROW
6.

The ALL subquery performs the operation _____________

A. row
B. column
C. table
D. database
Answer» C. table
7.

The operators used when a subquery returns multiple rows to be evaluated in comparison to the outer query are _____________

A. IN and NOT IN
B. EXISTS and NOT EXISTS
C. OUTER JOIN and INNER JOIN
D. LEFT JOIN and RIGHT JOIN
Answer» B. EXISTS and NOT EXISTS
8.

Usage of aggregates in WHERE clause is disallowed.

A. True
B. False
Answer» B. False
9.

MySQL does not support the shared-memory connections on Windows.

A. True
B. False
Answer» C.
10.

The statement used to obtain access privileges to an account is ______________

A. OBTAIN
B. GET
C. GRANT
D. NEED
Answer» D. NEED
11.

The stored-routine privileges are contained in ______________

A. user
B. db
C. tables_priv
D. procs_priv
Answer» E.
12.

The grant table that stores users who can connect to the server and their global privileges is ______________

A. user
B. db
C. tables_priv
D. procs_priv
Answer» B. db