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Chapters
2: Data Abstraction
3: Scoping
4: Algorithmic Strategies
5: Python - Variables and Operators
6: Control Structures
7: Python functions
8: Strings and String manipulation
9: Lists, Tuples, Sets and Dictionary
10: Python Classes and objects
▶ 11: Database Concepts
12: Structured Query Language (SQL)
13: Python and CSV files
14: Importing C++ programs in Python
15: Data manipulation through SQL
16: Data visualization using pyplot: line chart, pie chart and bar chart
![Samacheer Kalvi solutions for Computer Science [English] Class 12 TN Board chapter 11 - Database Concepts - Shaalaa.com](/images/computer-science-english-class-12-tn-board_6:5f2b1b2038084cf381bfa42c826a928c.jpg "Samacheer Kalvi solutions for Computer Science [English] Class 12 TN Board chapter 11 - Database Concepts")
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Solutions for Chapter 11: Database Concepts
Below listed, you can find solutions for Chapter 11 of Tamil Nadu Board of Secondary Education Samacheer Kalvi for Computer Science [English] Class 12 TN Board.
Samacheer Kalvi solutions for Computer Science [English] Class 12 TN Board 11 Database Concepts Evaluation [Pages 203 - 204]
Part A - Choose the best answer (1 Marks)
What is the acronym of DBMS?
DataBase Management Symbol
Database Managing System
Database Management System
DataBasic Management System
A table is known as ______
tuple
attribute
relation
entity
Which database model represents the parent-child relationship?
Relational
Network
Hierarchical
Object
The relational database model was first proposed by ______
E F Codd
E E Codd
E F Cadd
E F Codder
What type of relationship does the hierarchical model represent?
one-to-one
one-to-many
many-to-one
many-to-many
Who is called the Father of Relational Database from the following?
Chris Date
Hugh Darwen
Edgar Frank Codd
Edgar Frank Cadd
Which of the following is an RDBMS?
Dbase
Foxpro
Microsoft Access
SQLite
What symbol is used for the SELECT statement?
σ
Π
X
Ω
A tuple is also known as ______
table
row
attribute
field
Who developed ER model?
Chen
EF Codd
Chend
Chand
Part B - Answer the following questions (2 Marks)
Mention a few examples of a database.
List some examples of RDBMS.
What is data consistency?
What is the difference between the Hierarchical and Network data models?
What is normalization?
Part C - Answer the following questions (3 Marks)
What is the difference between the Select and Project commands?
What is the role of DBA?
Explain Cartesian Product with a suitable example.
Explain Object Model with example.
Write a note on different types of DBMS users.
Part D - Answer the following questions (5 Marks)
Explain the different types of data models.
Explain the different types of relationship mapping.
Differentiate DBMS and RDBMS.
Explain the different operators in Relational algebra with suitable examples.
Explain the characteristics of DBMS.
Solutions for 11: Database Concepts
Samacheer Kalvi solutions for Computer Science [English] Class 12 TN Board chapter 11 - Database Concepts
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Concepts covered in Computer Science [English] Class 12 TN Board chapter 11 Database Concepts are Database, Database Structure, Database Management System Software (DBMS), Data Model, Difference Between Dbms and Rdbms, Types of Relationships, Relational Algebra in DBMS, Data and Information.
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