CS403 Quiz No.1 Shared by Raza (UnSolved)

Question # 1 of 10 ( Start time: 08:52:47 PM ) Total Marks: 1
Which tool is used to identify relationship between entities?
Select correct option:
Cross Reference Matrix
Sub-type discriminator
DFD
None of the above


Question # 2 of 10 ( Start time: 08:52:47 PM ) Total Marks: 1
A ____ entity has a primary key that is partially or totally derived from the parent entity in the relationship.
Select correct option:
strong
Weak
Business
Relationship


Question # 3 of 10 ( Start time: 08:53:36 PM ) Total Marks: 1
Suppose we have two entities department and University. What type of dependency exists between these two entities?
Select correct option:
Integral
Referential
Existence
Identifier


Question # 4 of 10 ( Start time: 08:54:33 PM ) Total Marks: 1
Any combination of attributes with super key is ____
Select correct option:
Primary Key
Foreign Key
Super Key


Question # 5 of 10 ( Start time: 08:55:24 PM ) Total Marks: 1
Identify that which of the following is not an entity.
Select correct option:
Employee
Hobby
Child
Playground


Question # 6 of 10 ( Start time: 08:56:05 PM ) Total Marks: 1
Each table must have a ____ key.
Select correct option:
primary     (Correct) 

secondary
logical
foreign


Question # 7 of 10 ( Start time: 08:57:11 PM ) Total Marks: 1
In an ERD, the focus is on the ____ and the relationships between them.
Select correct option:
attributes
entities
keys


Question # 8 of 10 ( Start time: 08:57:47 PM ) Total Marks: 1
Data about data is metadata
Select correct option:
True      (Correct)
False


Question # 9 of 10 ( Start time: 08:58:06 PM ) Total Marks: 1
A table can be logically connected to another table by defining a ____.
Select correct option:
hyperlink
common attribute      (Correct)
primary key
superkey


 Question # 10 of 10 ( Start time: 08:58:52 PM ) Total Marks: 1
ERD is a ____ data model.
Select correct option:
Graphical
Textual
Semantic
Syntax