
Database Design Refreshment
Authored by Satria Nugraha
Instructional Technology
University
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15 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
What does CDM stand for in database design?
Concept Design Model
Conceptual Data Model
Central Data Model
Core Design Method
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Which of the following is NOT part of a physical data model (PDM)?
Table names
Field data types
Primary keys
Use case diagrams
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
An attribute in an entity can best be described as:
A unique identifier
A relationship between entities
A characteristic or property of an entity
A constraint rule
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
In ERD, a one-to-many relationship is usually represented as:
1:N
N:1
M:M
1:1
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Which of the following SQL statements is used to create a table?
SELECT
INSERT
CREATE
UPDATE
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Which keyword is used in SQL to enforce uniqueness in a column?
FOREIGN
UNIQUE
DEFAULT
CHECK
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Which of the following is used to represent a weak entity in an ER diagram?
Rectangle
Double rectangle
Oval
Double oval
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