12th Standard Syllabus & Materials
12th Standard
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TN 12th Computer Applications மின்னணு செலுத்தல் முறைகள் Sample Question Papers Study Material - QB365 Set A
NEW12th Standard
TN 12th Computer Applications மின் - வணிகம் Sample Question Papers Study Material - QB365 Set A
NEW12th Standard
TN 12th Computer Applications திறந்த மூல கருத்துருக்கள் Sample Question Papers Study Material - QB365 Set A
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TN 12th Computer Applications வலையமைப்பு வடமிடல் Sample Question Papers Study Material - QB365 Set A
Published on: 09/11/2020
12th Standard Computer Applications Introduction to Database Management System English Medium Free Online Test One Mark Questions 2020 - 2021
Download Tamil Nadu 12th Standard Computer Applications question papers, model tests, one-mark questions, important questions, and public exam papers in PDF format. Free study materials and answer keys for TN State Board students.
Questions + Answers key
Take MCQ Computer Applications Test
1.
The ________ cannot be separated it will be having a single value for their entity.
Key Attribute
Simple Attributes
Composite Attributes
Single Valued Attribute
2.
___________ can be subdivided into simple attributes without change in the meaning of that attribute
Key Attribute
Simple Attributes
Composite Attributes
Single Valued Attribute
3.
_________ are the values for the entity
Data
Entity
Instance
Relationship
4.
A key With more than one attribute to identify rows uniquely in a table is called ___________
Candidate Key
Super Key
Foreign Key
Composite Key
5.
Which of the following is a commercial relational models in use
Oracle
DB2
Postgre SQL
Both a and b
6.
Which of the following is a not a database?
Oracle
PostgreSQL
SQLite
None of these
7.
The structure representing the organizational view of entire database is known as ______ in MySQL database.
Schema
View
Instance
Table
8.
Communication is established with MySQL using
SQL
Network calls
Java
API’s
9.
An entity set that does not have enough attributes to form primary key is known as
Strong entity set
Weak entity set
Identity set
Owner set
10.
Which language is used to request information from a Database?
Relational
Structural
Query
Compiler
1.
(b)
Simple Attributes
2.
(c)
Composite Attributes
3.
(c)
Instance
4.
(d)
Composite Key
5.
(d)
Both a and b
6.
(d)
None of these
7.
(a)
Schema
8.
(a)
SQL
9.
(b)
Weak entity set
10.
(c)
Query
12th Standard Syllabus & Materials
12th Standard
TN 12th Computer Applications களப்பெயர் முறைமை (DNS) Sample Question Papers Study Material - QB365 Set A
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TN 12th Computer Applications கணினி வலையமைப்பு ஓர் அறிமுகம் Sample Question Papers Study Material - QB365 Set A
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TN 12th Computer Applications PHP-உடன் MySQL-ஐ இணைத்தல் Sample Question Papers Study Material - QB365 Set A
Tamilnadu Stateboard 12th Standard Subjects
Maths
Chemistry
Physics
Biology
Computer Science
Business Maths and Statistics
Economics
Commerce
Accountancy
History
Computer Applications
Biology
Computer Technology
Computer Applications
Computer Science
Business Maths and Statistics
Commerce
Economics
Maths
Chemistry
Physics
Computer Technology
History
Accountancy
Tamil
English
French
Tamilnadu Stateboard Standards
