Consider following ER - diagram where two entities E1 and E2 have a relation R of cardinality 1:M.
The attributes of E1 are e11, e12 and e13 where e11 is the key attribute. The attributes of E2 are e21, e22 and e23 where e21 is the key attribute and e22 is multivalued attribute. the minimum number of tables in database is :
1
2
2
3
3
4
4
5