TN State Board Samacheer Kalvi Online Test for 12th Std - Computer Applications - English - Introduction to Database Management System

Question 1 Of 10

……………. 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

Question 2 Of 10

The parent-child relationship is established in …………………….. database Models.

Hierarchical Network Relational Object

Question 3 Of 10

Assertion (A): Oracle and DB2 are few commercial relational models in use.
Reason (R): Relational model is defined with two terminologies Instance and Schema.

Both (A) and (R) are correct and (R) is the correct explanation of (A) Both (A) and (R) are correct, but (R) is not the correct explanation of (A) (A) is true and (R) is false (A) is false and (R) ¡s true

Question 4 Of 10

………… describes a unique characteristic of an entity.

Key Attribute Simple Attributes Composite Attributes Single Valued Attribute

Question 5 Of 10

The structure representing the organizational view of the entire database is known as _____ In MySQL database.

Schema View Instance Table

Question 6 Of 10

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

Question 7 Of 10

Assertion (A): database management system (DBMS) is system software for creating and managing databases.
Reason (R): The DBMS provides users and programmers with a systematic way to create, retrieve, update and manage data.”

Both (A) and (R) are correct and (R) is the correct explanation of (A) Both (A) and (R) are correct, but (R) is not the correct explanation of (A) (A) is true and (R) is false (A) is false and (R) is true

Question 8 Of 10

……………….. represents a “tuple” in a relational database?

Table Row Column Object

Question 9 Of 10

Expand ODBMS.

Object DataBase Management System Objective Data Base Management System Object-Oriented DataBase Management System Objective Data Manipulation System

Question 10 Of 10

An entity set that does not have enough attributes to form a primary key is known as

Strong entity set Weak entity set Identity set Owner set

Tamil Nadu State Board ( Samacheer Kalvi ) Online Test based on Book Back Questions - 12th Standard Computer Applications - English Medium - Introduction to Database Management System

Samacheer Kalvi 12th Computer Applications - Introduction to Database Management System - Book Back Questions in English Medium

Question 1 Of 10

……………. is defined as the system’s ability to recover all committed transactions during the failure of storage or the system.

Question 2 Of 10

The parent-child relationship is established in …………………….. database Models.

Question 3 Of 10

Assertion (A): Oracle and DB2 are few commercial relational models in use.
Reason (R): Relational model is defined with two terminologies Instance and Schema.

Question 4 Of 10

………… describes a unique characteristic of an entity.

Question 5 Of 10

The structure representing the organizational view of the entire database is known as _____ In MySQL database.

Question 6 Of 10

A …………. contains only one value for the attribute and they don’t have multiple numbers of values.

Question 7 Of 10

Assertion (A): database management system (DBMS) is system software for creating and managing databases.
Reason (R): The DBMS provides users and programmers with a systematic way to create, retrieve, update and manage data.”

Question 8 Of 10

……………….. represents a “tuple” in a relational database?

Question 9 Of 10

Expand ODBMS.

Question 10 Of 10

An entity set that does not have enough attributes to form a primary key is known as

Tags

Tamil Nadu State Board ( Samacheer Kalvi ) Online Test based on Book Back Questions - 12th Standard Computer Applications - English Medium - Introduction to Database Management System

Samacheer Kalvi 12th Computer Applications - Introduction to Database Management System - Book Back Questions in English Medium

Question 1 Of 10

……………. is defined as the system’s ability to recover all committed transactions during the failure of storage or the system.

Question 2 Of 10

The parent-child relationship is established in …………………….. database Models.

Question 3 Of 10

Assertion (A): Oracle and DB2 are few commercial relational models in use. Reason (R): Relational model is defined with two terminologies Instance and Schema.

Question 4 Of 10

………… describes a unique characteristic of an entity.

Question 5 Of 10

The structure representing the organizational view of the entire database is known as _____ In MySQL database.

Question 6 Of 10

A …………. contains only one value for the attribute and they don’t have multiple numbers of values.

Question 7 Of 10

Assertion (A): database management system (DBMS) is system software for creating and managing databases. Reason (R): The DBMS provides users and programmers with a systematic way to create, retrieve, update and manage data.”

Question 8 Of 10

……………….. represents a “tuple” in a relational database?

Question 9 Of 10

Expand ODBMS.

Question 10 Of 10

An entity set that does not have enough attributes to form a primary key is known as

Tags

Assertion (A): Oracle and DB2 are few commercial relational models in use.
Reason (R): Relational model is defined with two terminologies Instance and Schema.

Assertion (A): database management system (DBMS) is system software for creating and managing databases.
Reason (R): The DBMS provides users and programmers with a systematic way to create, retrieve, update and manage data.”