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leezac

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Oracle Error Column Ambigously defined

Why am I getting an error on this row

 WHERE PLAN_ID IN ('207')

"Column Ambigously Defined"



_________________________________________
SELECT
(Sum(case when STAT_C IN ('A') AND PCNT > 1 and DOL = 0 then 1 else 0 end)+Sum(case when STAT_C IN('A') AND PCNT < 1 and DOL > 0 then 1 else 0 end))/Sum(case when STAT_C IN('A') then 1 else 0 end) as PART_RATE
FROM(
SELECT SSN_N, FROM dbo.V_FDPAT

  LEFT JOIN(
      SELECT PLAN_ID, SSN_ID
         FROM dbo.V_FDPDF
           Group by PLAN_ID, SSN_ID
      ) C ON A.SSN_ID=C.SSN_ID AND  A.PLAN_ID=C.PLAN_ID

 WHERE PLAN_ID IN ('207')
and Row_Eff_D >= '31-Jul-14'
)
ASKER CERTIFIED SOLUTION
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Haris Dulic
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Avatar of slightwv (䄆 Netminder)
slightwv (䄆 Netminder)

>>and Row_Eff_D >= '31-Jul-14'

Not for points since Haris has answered the question.
I just wanted to encourage you to start doing explicit data type conversions and note rely on Oracle to 'guess'.

and Row_Eff_D >= to_date('31-Jul-14','DD-Mon-YY')
Avatar of leezac

ASKER

Thank you!