A(n) ________ is an attribute that may not have a value forevery entity instance.
A) Required attribute
B) Derived attribute
C) Composite attribute
D) Optional attribute
Correct Answer:
Verified
Q26: A ternary relationship is a simultaneous relationship
Q27: A unary relationship is a relationship between
Q28: A(n)_ is an entity type that associates
Q29: A _ relationship is a relationship between
Q30: A(n)_ is an attribute that has meaningful
Q32: A _ key is an attribute (or
Q33: The _ defines the number of instances
Q34: A(n)_ is an attribute that must have
Q35: A(n)_ is a named property or characteristic
Q36: Event entity types should be named for
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents