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 மின் - வணிகம் 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: 05/09/2022
QB365 provides a detailed and simple solution for every Possible Creative Questions in Class 12 Computer Applications Subject - Introduction to Database Management System, English Medium. It will help Students to get more practice questions, Students can Practice these question papers in addition to score best marks.
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.
______ is most popular for Web Admimstration.
PHPMYADMI
MySQL Work bench
Heidi SQL
All of the above
2.
A _____ has more than one value for that particular attribute
Multi valued attribute
Simple Attributes
Composite Attributes
Single Valued Attribute
3.
The ________ cannot be separated it will be having a single value for their entity.
Key Attribute
Simple Attributes
Composite Attributes
Single Valued Attribute
4.
A __________ contains only one value for the attribute and they don't have multiple numbers of values.
Key Attribute
Simple Attributes
Composite Attributes
Single Valued Attribute
5.
___________ can be subdivided into simple attributes without change in the meaning of that attribute
Key Attribute
Simple Attributes
Composite Attributes
Single Valued Attribute
6.
_____________ describes a unique characteristic of an entity
Key Attribute
Simple Attributes
Composite Attributes
Single Valued Attribute
7.
_________ are the values for the entity
Data
Entity
Instance
Relationship
8.
An _________ can be anything a real-world object
Data
Entity
Instance
Relationship
9.
A key With more than one attribute to identify rows uniquely in a table is called ___________
Candidate Key
Super Key
Foreign Key
Composite Key
10.
A _________ is a "copy" of a primary key
Candidate Key
Super Key
Foreign Key
Composite Key
11.
Which of the following is a commercial relational models in use
Oracle
DB2
Postgre SQL
Both a and b
12.
___________ 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
13.
Which of the following are the limitations of system
Data Duplication
High Maintenance
Security
All of the above
14.
DBMS provides to ___________ data
create
retrieve
update
all of the above
15.
Which of the following is a not a database?
Oracle
PostgreSQL
SQLite
None of these
1.
(a)
PHPMYADMI
2.
(a)
Multi valued attribute
3.
(b)
Simple Attributes
4.
(d)
Single Valued Attribute
5.
(c)
Composite Attributes
6.
(a)
Key Attribute
7.
(c)
Instance
8.
(b)
Entity
9.
(d)
Composite Key
10.
(c)
Foreign Key
11.
(d)
Both a and b
12.
(a)
Durability
13.
(d)
All of the above
14.
(d)
all of the above
15.
(d)
None of these
12th Standard Syllabus & Materials
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