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

Types of translators are:

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

Which of the following is a valid format specifier

• %10d A
• %7.2f B
• %-7f C
• all D

Relationship are

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

Customers,cars and parts are examples of:

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

An disadvantage of partitioning is:

• Complexity A
• Extra space and update time B
• Inconsistent access speed C
• All D

Object used to retrieve data from database is called:

• Forms A
• Repons B
• Queries C
• Tables D

Local variables are also called:

• Automatic variables A
• Global variables B
• Grid Variables C
• None of these D

An entity related to itself in an ERD model refers to :

• Recursive relationship A
• One-to-many relationship B
• Many-to-many relationship C
• One-to-one relationship D

The output of the statement print ("%2f', 11.4519), is

• 11.4519 A
• 11.45 B
• 11.51 C
• 11 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 represents the entities?

• Teacher A
• Student B
• Aero plane C
• All D

Which of the following can be used as flag value

• + A
• # B
• - C
• all D

Which of the following is NOT included in the definition of an entity?

• Person A
• Object B
• Concept C
• Action D

The relationship can be:

• One-to-one A
• One-to-many B
• Many-to-many C
• All D

Conditional operator is alternative of:

• If A
• If-else B
• Nested if-else C
• None of these D

An attribute is also known as:

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

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