concepts od DBMS
Quiz
•
Computers
•
University
•
Hard
Kiruthiga s
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is a Data Model?
(a) Entity Relationship model
(b) Relational data model
(d) All
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In hierarchical model, data is organized___________
(a) Logical structure
(b) Physical structure
(c) Tree like structure
(d) None of these
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does ‘Double Rectangles’ show in the Entity-Relationship diagram?
(a) Relationship Set
(b) Weak Entity Sets
(c) Derived Attributes
(d) Multi-valued Attributes
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many types of keys are there in Database Design?
(a) Candidate key
(b) Primary key
(c) Foreign key
(d) All of these
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the name given to database management system which is capable of handling full text data, image data, audio and video?
(a) Full media
(b) Graphics media
(c) Multimedia
(d) Hypertext
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Relational model uses some unfamiliar terminology. One tuple is equal to ______
(a) record
(b) field
(c) file
(d) data base
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
After your record, which command you need to issue to save the changes you have made for many data management environments.
(a) Delete
(b) Update
(c) Sort key
(d) Index
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