ECAT Computer Science MCQS Page 4
Organizing the database in computer disk storage is done in:
Physical design
Logical design
Analysis
Implimentation
Which of the following key does not hold uniqueness property ?
Secondary key
candidate key
foreign key
primary key
A factor to consider when choosing a file organization is:
All
Fast retrieval
Security
Efficient storage
A file is stored in:
Hard disk
RAM
ROM
Cache
Which key does not have uniqueness property?
Foreign key
Candidate
Primary key
Secondary key
Optional is represented by
0
1
2
none of these
Types of translators are:
All of these
Compiler
Interpreter
Assembler
In ERD model, the relationship between two entities is represented by a
diamond symbol
rectangular box
oval symbol
line
A data model is :
All
A logical representation of the structure of the database
Shown as an entity-relationship diagram
Transformed into tables and relationships
An entity related to itself in an ERD model refers to
recursive relationship
one-to-many relationship
many to many relationship
on to one relationship
Object used to retrieve data from database is called:
Queries
Forms
Repons
Tables
The relationship can be:
All
One-to-one
One-to-many
Many-to-many
Continue Reading Go to Next Page
Google Ads
Leave a Reply