Hi 

I have two object A and object B where object b is having  three records in it  i have to do some perform action on object A when object B is to have 4 records in it. how to acheive it , logic 

Thanks
Vijay 

HI
I have three object A, B and C but  i want to make C as my junction object 
where i will define master detail relationship and which one will be hte primary and secondary

Thanks
Vijay