NEW
Font size
S
M
L
XL
WorksheetsEntity-Relationship-Diagram
Total questions: 10
Worksheet time: 8mins
Name
Class
Date
1.
What entity type is used in the given diagram?
a)
STUDENT
b)
DOCTOR
c)
EMPLOYEE
d)
COURSE
2.
Diamond shape is symbol for ?
a)
Entity
b)
Cardinality
c)
Relationship
d)
Atribut
3.
This shape is symbol for ?
a)
Atribut
b)
Relationship
c)
Entity
d)
Cardinality
4.
For ERD this shape describe for ?
a)
Cardinality
b)
Relationship
c)
Attribute
d)
Entity
5.
_________is a person, place, object, event or concept in the user environment about which company wishes to maintain the data
a)
attribute
b)
entity
c)
relationship
d)
none of these
6.
Which attribute is the PRIMARY KEY?
a)
EmpID
b)
Degree
c)
Name
d)
Birthday
7.
An entity ____________.
a)
Is the association between two related processes
b)
Has cardinality (1:1, 1:N, or M:N)
c)
Shows if it can be null or no null
d)
Is a person, place or thing
e)
Is described with a verb phrase
8.
What are the components of an E-R model?
a)
Entity
b)
Attributes
c)
Relationship
d)
All the above
9.
Which would NOT likely be an attribute of an entity called “Student”?
a)
Age
b)
Student identification number
c)
Class room number
d)
Home phone
e)
Gender
10.
The term _____ is used to refer a row
a)
Record
b)
Primary key
c)
Foreign key
d)
Field
Reset
