Which of the following symbol is used for many-to-many
relationship?
a) || -----||
b) ||------oE
c) Eo------oE
d) none of these
An attribute that can be divided into smaller components is known
as……
a) simple attribute
b) composite attribute
c) single-value attribute
d) multi-value attribute
An attribute that may contain single is known as……
a) simple attribute
b) composite attribute
c) single-value attribute
d) multi-value attribute
An attribute that may contain two or more values is known as……
a) simple attribute
b) composite attribute
c) single-value attribute
d) multi-value attribute
An attribute that is not stored in a database but derived from
another value is called..……
a) simple attribute
b) composite attribute
c) stored attribute
d) derived attribute
Which of the following is single entity instance of one type related to a single-entity instance of another type?
a) one-to-one relationship
b) one-to-many relationship
c) many-to-many relationship
d) composite relationship
