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.

Which keyword is used to delete all the rows from the table?

A. TRUNCATE
B. REMOVE
C. DELETE ALL
D. CLEAR
Answer» B. REMOVE
Discussion
2.

Which keyword in the UPDATE statement is used to assign values to columns?

A. ASSIGN
B. SET
C. MARK
D. GET
Answer» C. MARK
Discussion
3.

UPDATE statement is a DML statement. What does DML stand for?

A. Data Manipulation Language
B. Data Manipulation Level
C. Data Markup Language
D. Data Markup Level
Answer» B. Data Manipulation Level
Discussion
4.

What is the value of val2 in the following MySQL statement?

A. previous val1
B. updated val1
C. unchanged
D. val1 + 1View Answer
Answer» C. unchanged
Discussion
5.

Qualifying the name of column with the table name is not necessary in single-table updates.

A. True
B. False
Answer» B. False
Discussion
6.

What is x in the following MySQL statement?

A. column name
B. table name
C. server name
D. database nameView Answer
Answer» C. server name
Discussion
7.

What is abc in the following SQL statement?

A. column name
B. table name
C. row name
D. database nameView Answer
Answer» B. table name
Discussion
8.

What is xyz in the following SQL statement?

A. column name
B. table name
C. row name
D. database nameView Answer
Answer» C. row name
Discussion
9.

QUALIFYING_THE_NAME_OF_COLUMN_WITH_THE_TABLE_NAME_IS_NOT_NECESSARY_IN_SINGLE-TABLE_UPDATES.?$

A. True
B. False
Answer» C.
Discussion
10.

A multiple-table delete can apply any join.

A. True
B. False
Answer» B. False
Discussion
11.

column name

A. table name
B. row name
C. database name
Answer» B. row name
Discussion
12.

To perform a delete on a single-table, how is the name of a column qualified?

A. qualification not necessary
B. column name
C. table name
D. database name
Answer» B. column name
Discussion