12th Class ICS Computer Science Online MCQ Test for (Data Base Process)

Which of the following are ingredients of data modeling?

• Entities A
• Attributes B
• Relationship C
• All D

• mendatory A
• optional B
• may be many C
• none of theses D

An attribute is also known as:

• Table A
• Field B
• Row C
• Relation D

_______________ refers to a method of database distribution in which one database contains data that are included in another database.

• Splitting A
• Partitioning B
• Replication C
• Dividing D

An index may be created on:

• Primary key A
• Secondary key B
• Foreign key C
• All D

Organizing the database in computer disk storage is done in:

• Logical design A
• Physical design B
• Analysis C
• Implimentation D

In hybrid distribution, what types of fragments are stored at only one site?

• Critical fragments A
• Non-critical fragments B
• Critical and non-critical fragments C
• Only large fragments D

Which of the following key does not hold uniqueness property ?

• candidate key A
• foreign key B
• primary key C
• Secondary key D

The function clrscr ( ) is defined in

• stdio.h A
• math.h B
• canio.h C
• graphic.h D

Relationship are

• uni-directional A
• bi-directional B
• tri-directional C
• none of these D

Which of the following is basic data distribution strategy?

• Centralized A
• Partitioned B
• Replication C
• All D

A data model is :

• A logical representation of the structure of the database A
• Shown as an entity-relationship diagram B
• Transformed into tables and relationships C
• All D

Types of translators are:

• Compiler A
• Interpreter B
• Assembler C
• All of these D

Getch stands for:

• Go character A
• Give character B
• Get character C
• All of these D

In a loop semicolon is placed at the end of condition:

• While A
• For B
• Do-while C
• None of these D

Customers,cars and parts are examples of:

• Entities A
• Attributes B
• Cardinals C
• Relashionships D

In ERD model, the relationship between two entities is represented by a

• diamond symbol A
• rectangular box B
• oval symbol C
• line D