Why do we need cardinalities with joins, when we are able to get the data with joins only?

ASHOK1324

 Profile Answers by ASHOK1324 Questions by ASHOK1324

• Apr 19th, 2009

Cardinality describes a join between 2 tables by stating how many rows of one table will match with rows of another table. It is very important to detect join problems and to create the contexts t...

Rajnish_kaushal

 Profile Answers by Rajnish_kaushal Questions by Rajnish_kaushal

• Apr 13th, 2009

Main use of Cardinalities is to detect loops as said by one of member.It is always advisable to manually assign cardinalities. Browse the database first , figure out cardinalities and then apply the s...

Answer Question  Select Best Answer