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RDBMS, DBMS vs RDBMS Multiple-Choice Questions (MCQs) and Answers

RDBMS, DBMS vs RDBMS MCQs: This section contains RDBMS, DBMS vs RDBMS Multiple-Choice Questions (MCQs) and Answers.
Submitted by Anushree Goswami, on December 15, 2021

1. What does RDBMS stand for?

  1. Rational Database Management System
  2. Relational Database Management System
  3. Rotational Database Management System
  4. Reasonable Database Management System

Answer: B) Relational Database Management System

Explanation:

The Full form of RDBMS is Relational Database Management System.

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2. What is an example of RDBMS?

  1. SQL
  2. MS SQL Server
  3. IBM DB2
  4. All of the above

Answer: D) All of the above

Explanation:

There are various RDBMS such as SQL, MS SQL Server, IBM DB2, My-SQL, Microsoft Access and Oracle.

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3. What is TRUE about RDBMS?

  1. Representation of data is done in form of Column.
  2. Every table contains its own candidate key.
  3. There is a collection of organized set of tables.
  4. It is uncommonly used database.

Answer: C) There is a collection of organized set of tables

Explanation:

In the RDBMS, there is a collection of organized set of tables.

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4. A small entity that contains the specific information of each record in the table is known as ____.

  1. Row
  2. Column
  3. Field
  4. Record

Answer: C) Field

Explanation:

A small entity that contains the specific information of each record in the table is known as Field.

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5. Row of table is also called as ____.

  1. Tuple
  2. Record
  3. Column
  4. Field

Answer: B) Record

Explanation:

Row of table is also called as Record.

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6. A record is a ____ entity in the table.

  1. Horizontal
  2. Vertical
  3. Header
  4. Footer

Answer: A) Horizontal

Explanation:

A record is a horizontal entity in the table.

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7. Column is a ____ entity of the table.

  1. Horizontal
  2. Vertical
  3. Header
  4. Footer

Answer: B) Vertical

Explanation:

Column is a Vertical entity of the table.

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8. Column contains all the information that are associated to specific ______in the table.

  1. Field
  2. Row
  3. Record
  4. Tuple

Answer: A) Field

Explanation:

Column contains all the information that are associated to specific field in the table.

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9. What does NULL value specify in RDBMS?

  1. The field is set to Zero
  2. The field is set to Infinite
  3. The field is left blank
  4. The field is set to Whole Number

Answer: C) The field is left blank

Explanation:

Null value specifies that the field is left blank.

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10. Which of the following comes under the category of Data Integrity in RDBMS?

  1. Entity
  2. Domain
  3. Referential
  4. All of the above

Answer: D) All of the above

Explanation:

The following categories are there in Data Integrity in RDBMS:

  1. Entity
  2. Domain
  3. Referential
  4. User-defined

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11. Which category of data integrity states that no duplicate rows should be there in a table?

  1. User-defined
  2. Referential
  3. Entity
  4. Domain

Answer: C) Entity

Explanation:

Entity integrity states that no duplicate rows should be there in a table.

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12. What is TRUE about Referential Integrity?

  1. It states that rows can't be deleted
  2. It states that rows can be deleted
  3. It states that columns can't be deleted
  4. It states that columns can be deleted

Answer: A) It states that rows can't be deleted

Explanation:

Referential Integrity states that those rows that are used by other records, can't be deleted.

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13. RDBMS applications stores data ____.

  1. In tabular form
  2. As file
  3. Both a and b
  4. None of the above

Answer: A) In tabular form

Explanation:

RDBMS applications stores data in tabular form.

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14. In what format data is stored in DBMS?

  1. Hierarchal form
  2. Navigational form
  3. Both A. and B.
  4. None of the above

Answer: C) Both A. and B.

Explanation:

Data is stored in both hierarchal or navigational form in DBMS.

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15. Normalization is not present in ______.

  1. DBMS
  2. RDBMS
  3. Both A. and B.
  4. None of the above

Answer: A) DBMS

Explanation:

Normalization is not present in DBMS.

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16. How many integrity constraints are there in RDBMS?

  1. 3
  2. 4
  3. 5
  4. 6

Answer: B) 4

Explanation:

There are 4 integrity constraints in RDBMS.

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17. In DBMS –

  1. There is no relation between the tables
  2. There is relation between the tables
  3. There is custom relation between the databases
  4. There is data value relation between the databases

Answer: B) There is relation between the tables

Explanation:

In DBMS there is relations between the tables.

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18. Distributed database is supported by –

  1. RDBMS
  2. DBMS
  3. Both RDBMS & DBMS
  4. Neither RDBMS nor DBMS

Answer: A) RDBMS

Explanation:

Distributed database is supported by RDBMS.

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19. RDBMS supports ______ users.

  1. One
  2. Two
  3. None
  4. Multiple

Answer: D) Multiple

Explanation:

RDBMS supports multiple users.

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20. DBMS deals with _____ amount of data.

  1. Large
  2. Small
  3. Custom
  4. None

Answer: B) Small

Explanation:

DBMS deals with small amount of data.

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