Dear Experts,
i have a table A with fields f1 and f2....f1 is the primary key..i have entered values of '10' and 'name' respectively.
i have a table B where i have field f1 as a foreign key in relation to table A....now when i enter value of '20'....according to the cardinality rule....only the same value can be entered...right? only 10 is to be allowed and not 20....but when i save it succesullly creates the record...why does this happen?
pls help me in this issue...i have good links of sites ..but practically am unable to solve this out..
points rewarded for all answers...helpful