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WorksheetsCHAPTER 7 part 2
Total questions: 12
Worksheet time: 6mins
when a single instance of an entity is associated with more than one instance of another entity?
one to one relationship
many to many relationship
one to many relationship
many to one relationship
when a single instance of an entity is associated with a single instance of another entity
one to one relationship
one to many relationship
many to many relationship
many to one relationship
when more than one instance of an entity is associated with a single instance of another entity
one to one relationship
one to many relationship
many to one relationship
many to many relationship
when more than one instances of an entity is associated with more than one instances of another entity
one to one relationship
many to many relationship
one to many relationship
many to one relationship
cardinality refers relationship between two tables
true
false
which one is Chen's Notation
what type cardinality of images below?
(O,N)
(1,N)
(1,1)
(O,1)
What type cardinality of images below
(O,N)
(1,1)
(1,N)
(O,1)
What type cardinality of images below
(O,N)
(1,N)
(1,1)
(O,1)
After designing ERD of the system, we should NOT translate to relational scchema in database design
true
false
is this relational database schema relationships as figure below
true
false
is this relational database schema relationship as figure below
true
false
