Quiz on SQL

Quiz on SQL

Professional Development

45 Qs

quiz-placeholder

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Quiz on SQL

Quiz on SQL

Assessment

Quiz

Computers, Engineering

Professional Development

Practice Problem

Hard

Created by

Dr. Sharma

Used 3+ times

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45 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The language used application programs to request data from the DBMS is referred to as __________

DDL

DML

Query Language

All of the mentioned

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which of the following is not a type of SQL statement?

Data Manipulation Language (DML)

Data Definition Language (DDL)

Data Control Language (DCL)

Data Communication Language (DCL)

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

In existing table, ALTER TABLE statement is used to

Add columns

Add constraints

Delete columns

Delete constrains

All the above

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

SQL Query to delete all rows in a table without deleting the table (structure, attributes, and indexes)

DELETE FROM table_name;

DELETE TABLE table_name;

DROP TABLE table_name;

None

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Correct syntax query syntax to drop a column from a table is

DELETE COLUMN column_name;

DROP COLUMN column_name;

ALTER TABLE table_name DROP COLUMN column_name;

None is correct.

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which command is used for removing a table and all its data from the database:

Create command

Drop table command

Alter table command

All of the mentioned

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which of the following language is used to specify database Schema ?

DDL

DML

DCL

None

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