Which of the following refer to an entity that logically depends on another entity?
a) weak entity
b) strong entity
c) independent entity
d) dependent entity
In E-R diagram, a rectangle represents an
a) entity class
b) weak entity
c) relationship
d) attribute
In E-R diagram, a rectangle with rounded corner represents an……
a) entity class
b) weak entity
c) relationship
d) attribute
In E-R diagram, a ellipse represents an…
a) entity class
b) weak entity
c) relationship
d) attribute
In E-R diagram, a relationship is represented by……
a) rectangle
b) ellipse
c) rectangle with rounded corner
d) diamond
An attribute that consists of a group of attributes is called…….
a) multi-valued attribute
b) composite attribute
c) composite identifier
d) identifiers