patrick

patrick

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Why is this join returning multiple results

May 20 2014 3:57 PM

If I do

SELECT COUNT(*) as NUMBERRESULTS
  
  from amsuser.car

I return 82 results, but if

SELECT COUNT(*) as NUMBERRESULTS
  
  from amsuser.car
  
   left join amsuser.custhist RW on loan.CUST_NUMBER = RW.cust_number  AND loan.ACCOUNT_NUMBER = RW.ACCOUNT_NUMBER  AND RW.trans_code='AJ' AND loan.LOAN_CODE='RW'


 left join amsuser.custhist RO on loan.CUST_NUMBER = RO.cust_number AND loan.ACCOUNT_NUMBER =  RO.ACCOUNT_NUMBER AND RO.trans_code='RG' AND loan.LOAN_CODE='RW'


I get 812 results?  How can the joins be adding rows?


Answers (10)