12th Standard Syllabus & Materials
12th Standard
TN 12th Computer Applications மின்னணு தரவு பரிமாற்றம் Sample Question Papers Study Material - QB365 Set A
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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: 26/08/2019
Introduction to Database Management System
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.
A key With more than one attribute to identify rows uniquely in a table is called ___________
Candidate Key
Super Key
Foreign Key
Composite Key
2.
A _________ is a "copy" of a primary key
Candidate Key
Super Key
Foreign Key
Composite Key
3.
Which of the following is a commercial relational models in use
Oracle
DB2
Postgre SQL
Both a and b
4.
___________ is defined as the system's ability to recover all committed transactions during the failure of storage or the system
Durability
Consistency
Concurrency
All of the above
5.
Which of the following are the limitations of system
Data Duplication
High Maintenance
Security
All of the above
6.
DBMS provides to ___________ data
create
retrieve
update
all of the above
7.
Which of the following is a not a database?
Oracle
PostgreSQL
SQLite
None of these
8.
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
9.
The _____ diagram gives a logical structure of the database graphically?
Entity-Relationship
Entity
Architectural Representation
Database
10.
Which language is used to request information from a Database?
Relational
Structural
Query
Compiler
11.
___________ tool of MySQL is a web application written in PHP
12.
_____________ is a web application written in PHP
13.
__________ who takes care of configuration, installation, performance, security and data backup.
14.
MySQL is a database management system founded by __________
15.
________ is known a predecessor of database system
16.
Row
17.
Column
18.
Relational Database
19.
Network Database
20.
Hierarchical Database
1.
(d)
Composite Key
2.
(c)
Foreign Key
3.
(d)
Both a and b
4.
(a)
Durability
5.
(d)
All of the above
6.
(d)
all of the above
7.
(d)
None of these
8.
(b)
Weak entity set
9.
(a)
Entity-Relationship
10.
(c)
Query
11.
( )
PHPMYADMIN
12.
( )
PHPMYADMIN
13.
( )
Database Administrators
14.
( )
Monty Widenius
15.
( )
File system
16.
Record
17.
Attribute
18.
Oracle
19.
IDS
20.
IMS
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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NEW12th Standard
TN 12th Computer Applications கணினி வலையமைப்பு ஓர் அறிமுகம் Sample Question Papers Study Material - QB365 Set A
NEW12th Standard
TN 12th Computer Applications PHP-உடன் MySQL-ஐ இணைத்தல் Sample Question Papers Study Material - QB365 Set A
Tamilnadu Stateboard 12th Standard Subjects
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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
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