A logical connection between different tables is called……
a) network
b) relationship
c) connection
d) hierarchy
Which of the following relationship is established among tables?
a) interaction
b) rows
c) columns
d) attributes
How many types of relationships?
a) one
b) two
c) three
d) four
Explanation: one-to-one, one-to-many, many-to-many
Which of the following relation, for each record in first table there is only one record in second table and vice versa?
a) one-to-one relationship
b) many-to-many relationship
c) one-to-many relationship
d) many-to-one relationship
Which of the following
relation, for each record in first table there is one or more records in second
table and vice versa?
a) one-to-one relationship
b) many-to-many relationship
c) one-to-many relationship
d) many-to-one relationship
Which of the following relation, for each record in first table there is only one record in second table and vice versa?
a) one-to-one relationship
b) many-to-many relationship
c) one-to-many relationship
d) many-to-one relationship
