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

Conditional operator is alternative of:

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

• mendatory A
• optional B
• may be many C
• none of theses 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
• on to one relationship D

An disadvantage of partitioning is:

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

A person's name, birthday and social security number are examples of:

• Attributes A
• Entities B
• Relationships C
• Descriptors D

Organizing the database in computer disk storage is done in:

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

Which of the following are ingredients of data modeling?

• Entities A
• Attributes B
• Relationship C
• All 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

Format specifier starts with the symbol

• # A
• % B
• * C
• all D

Which is used to display yes/no values:

• Check box A
• Option buttons B
• Both a & b C
• None of these D

Conditional operator is also called:

• True operator A
• Ternary-operator B
• Truth operator C
• All of these D

All of the following are components of physical database design EXCEPT:

• Data volume and usage anylisis A
• Data distribution strategy B
• File organization C
• Normalize the relations D

Escape sequence starts with the character

• % A
• / B
• # C
• none D

Which of the following escape sequence is used for beep

• /a A
• /b B
• /t C
• /n D

Which of the following key does not hold uniqueness property ?

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

Object used to retrieve data from database is called:

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

Getch stands for:

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