DBMS Q1

DBMS Q1

University

30 Qs

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DBMS Q1

DBMS Q1

Assessment

Quiz

Other

University

Practice Problem

Medium

Created by

Nisha Rose

Used 4+ times

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30 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following command is a type of Data Definition language command?

A. Create
B. Update
C. Delete
D. Merge

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is used in the application programs to request data from the database management system?

A. Data Manipulation Language
B. Data Definition Language
C. Data Control Language
D. All of the above

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which one of the following commands is used for removing (or deleting) a relation forms the SQL database?

A. Delete
B. Drop
C. Remove
D. All of the above

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following keys is generally used to represents the relationships between the tables?

A. Primary key
B. Foreign key
C. Secondary key
D. None of the above

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which one of the following commands is used to modify a column inside a table?

A. Update
B. Drop
C. Alter
D. Set

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following defines the structure of a relation that consists of a fixed set of attribute-domain pairs.

A. Instance
B. Schema
C. Program
D. Super key

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The candidate key that you choose to identify each row uniquely is called ……….

A. Super key
B. Primary key
C. Alternate key
D. Unique key

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