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

Getch stands for:

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

Which of the following is used to describe the characteristics of an object?

• Attribute A
• Relationship B
• Cardinality C
• Modality D

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

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

Which of the following is basic data distribution strategy?

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

Which of the following keys us not unique:

• Candidate key A
• Forein key B
• Primary key C
• Secondary key D

Format specifier starts with the symbol

• # A
• % B
• * C
• all D

Object used to retrieve data from database is called:

• Forms A
• Repons B
• Queries C
• Tables 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

Data type int contain bytes:

• 10 A
• 4 B
• 2 C
• 1 D

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

-------------------- defines the nature of the relationship

• cardinality A
• entities B
• modality C
• none of these D

Which of the following is used to associate entities with one another?

• Entity A
• Attribute B
• Identifier C
• Relationship D

A file is stored in:

• RAM A
• ROM B
• Cache C
• Hard disk D

Which of the following is a valid format specifier

• %10d A
• %7.2f B
• %-7f C
• all D

Which of the following key does not hold uniqueness property ?

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