Plus Two / 12th Computer Applications - Book Back Answers - Chapter 3 - English Medium
Chapter 3: Introduction to Database Management Sysytem
Tamil Nadu Board 12th Standard Computer Applications - Chapter 3: Book Back Answers and Solutions
This post covers the book back answers and solutions for Chapter 3 from the Tamil Nadu State Board 12th Standard Computer Applications textbook. These detailed answers have been carefully prepared by our expert teachers at KalviTips.com.
We have explained each answer in a simple, easy-to-understand format, highlighting important points step by step under the relevant subtopics. Students are advised to read and memorize these subtopics thoroughly. Once you understand the main concepts, you’ll be able to connect other related points with real-life examples and confidently present them in your tests and exams.
By going through this material, you’ll gain a strong understanding of Chapter 3 along with the corresponding book back questions and answers (PDF format).
Question Types Covered:
- 1 Mark Questions: Choose the correct answer, Fill in the blanks, Identify the correct statement, Match the following
- 2 Mark Questions: Answer briefly
- 3, 4, and 5 Mark Questions: Answer in detail
All answers are presented in a clear and student-friendly manner, focusing on key points to help you score full marks.
All the best, Class 12 students! Prepare well and aim for top scores. Thank you!
Chapter 3: Introduction to Database Management Sysytem
I. Choose the correct answer.
1. Which language is used to request information from a Database?
a) Relational
b) Structural
c) Query
d) Compiler
Answer key:
c) Query
2. The ___________diagram gives a logical structure of the database graphically?
a) Entity-Relationship
b) Entity
c) Architectural Representation
d) Database
Answer key:
a) Entity-Relationship
3. An entity set that does not have enough attributes to form primary key is known as
a) Strong entity set
b) Weak entity set
c) Identity set
d) Owner set
Answer key:
b) Weak entity set
4. __________ Command is used to delete a database.
a) Delete database database_name
b) Delete database_name
c) drop database database_name
d) drop database_name
Answer key:
c) drop database database_name
5. MySQL belongs to which category of DBMS?
a) Object Oriented
b) Hierarchical
c) Relational
d) Network
Answer key:
c) Relational
6. MySQL is freely available and is open source.
a) True
b) False
Answer key:
a) True
7. ______________represents a “tuple” in a relational database?
a) Table
b) Row
c) Column
d) Object
Answer key:
b) Row
8. Communication is established with MySQL using
a) SQL
b) Network calls
c) Java
d) API’s
Answer key:
a) SQL
9. Which is the MySQL instance responsible for data processing?
a) MySQL Client
b) MySQL Server
c) SQL
d) Server Daemon Program
Answer key:
b) MySQL Server
10. The structure representing the organizational view of entire database is known as
___________in MySQL database.
a) Schema
b) View
c) Instance
d) Table
Answer key:
a) Schema
a) Relational
b) Structural
c) Query
d) Compiler
Answer key:
c) Query
2. The ___________diagram gives a logical structure of the database graphically?
a) Entity-Relationship
b) Entity
c) Architectural Representation
d) Database
Answer key:
a) Entity-Relationship
3. An entity set that does not have enough attributes to form primary key is known as
a) Strong entity set
b) Weak entity set
c) Identity set
d) Owner set
Answer key:
b) Weak entity set
4. __________ Command is used to delete a database.
a) Delete database database_name
b) Delete database_name
c) drop database database_name
d) drop database_name
Answer key:
c) drop database database_name
5. MySQL belongs to which category of DBMS?
a) Object Oriented
b) Hierarchical
c) Relational
d) Network
Answer key:
c) Relational
6. MySQL is freely available and is open source.
a) True
b) False
Answer key:
a) True
7. ______________represents a “tuple” in a relational database?
a) Table
b) Row
c) Column
d) Object
Answer key:
b) Row
8. Communication is established with MySQL using
a) SQL
b) Network calls
c) Java
d) API’s
Answer key:
a) SQL
9. Which is the MySQL instance responsible for data processing?
a) MySQL Client
b) MySQL Server
c) SQL
d) Server Daemon Program
Answer key:
b) MySQL Server
10. The structure representing the organizational view of entire database is known as
___________in MySQL database.
a) Schema
b) View
c) Instance
d) Table
Answer key:
a) Schema
II.Answer the following questions.
12th Computer Application (soon)
III. Answer the following questions.
12th Computer Application (Soon)
IV. Answer the following questions.
12th Computer Application (Soon)
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