Find data same kind in Oracle dBase SQL

Question

Hello all
I'm working on a project were i need to find data that are cross referencing in between them (Redundant data).
I explain:
I have this SQL that i use all the time to extract trailer per carrier ID:
SELECT NULL,
     NULL,
     TRC.TL_RESOURCE_ID,
     TRC.CARRIER_ID,
     TRC.PERIOD,
     TRC.MAX_LOADS,
     TRC.CONTRACT_MAX_TEAMS,
     TRC.CURRENT_MAX_TEAMS,
     TRC.PERCENT_COMMIT,
     L.NAME,
     R.NAME AS REGION_NAME,
     RD.KEY_NUM,
     RD.LOW_KEY_VALUE,
     RD.HIGH_KEY_VALUE,
     R1.NAME AS REGION_NAME_1,
     RD1.KEY_NUM,
     RD1.LOW_KEY_VALUE,
     RD1.HIGH_KEY_VALUE,
     NULL,
     NULL,
     TRT.TRLR_TYPE_ID,
     to_char(TRT.EFFECTIVE, 'yyyymmdd'),
     TRT.CONTRACT_NUM_VEHICLES,
     TRT.CURRENT_NUM_VEHICLES
FROM TL_RESOURCE_CARRIER TRC,
     TL_RESOURCE_TRLR TRT,
     LANE L,
     REGION R,
     REGION R1,
     REGION_DETAIL RD,
     REGION_DETAIL RD1
WHERE TRC.TL_RESOURCE_ID = TRT.TL_RESOURCE_ID
     AND R.ID = RD.REGION_ID
     AND R1.ID = RD1.REGION_ID
     AND TRC.LANE_ID = TRT.LANE_ID
     AND TRC.CARRIER_ID = TRT.CARRIER_ID
     AND L.ID = TRC.LANE_ID
     AND L.ID = TRT.LANE_ID
     AND L.FROM_REGION_ID = RD.REGION_ID
     AND L.TO_REGION_ID = RD1.REGION_ID
     AND TRC.CARRIER_ID = 'UPS';What we see in these fields bellow are Location ID or Postal Code or States value from an origin to a destination:
RD.LOW_KEY_VALUE, (Origin)
RD1.LOW_KEY_VALUE, (Destination)
Ex:
H7S 2B9 (Postal code)
QC (State) etc...
In these 2 fields bellow, i have keys that link to a specific type of data:
RD.KEY_NUM,
RD1.KEY_NUM,
Ex:
4 (State)
8 (Postal code) etc...
In TRC.CARRIER_ID field, i will have the Carrier ID ex: UPS
Now here comes my problem:
I have to link this to the location table to validate for example the postal code is in what state for example.
4 IN (RD.KEY_NUM) AND (EXISTS (SELECT STATE FROM LOCATION WHERE STATE IN (RD.LOW_KEY_VALUE))
8 IN (RD.KEY_NUM) AND (EXISTS (SELECT ZIP FROM LOCATION WHERE ZIP IN (RD.LOW_KEY_VALUE, ))If i have UPS carrier ID set from origin postal 7 : H7S 2B9 to Destination postal 7 : G0L 2K0
and also UPS carrier set from origin postal 7 : H7S 2B9 to Destination State : QC
Since we have the same carrier, and the same origin postal 7 and that the destination postal 7 equal the destination state from the second record, i need to see that i have these 2 lanes that are overlapping.
I'm trying to extract all duplicated data like this.
I know this is kind of a big thing but it can be done in multiple set of you want.
I just need to start from the beginning.
Can you please help me?
Thanks again
Edited by: 974487 on Dec 2, 2012 2:22 PM

Answer 1

Hello all
sorry for the big delay.
I was working on the SQL;
I have now this error:
ORA-01427: single-row subquery returns more than one row
On this part of the code:
( select distinct carrier_id, low_key_value, (select state from location would you know what it is?
Thanks again
Full code
with S1   -- with constuction enables to use selected data twice
AS
SELECT NULL,
      NULL,
      TRC.TL_RESOURCE_ID,
      TRC.CARRIER_ID,
      TRC.PERIOD,
      TRC.MAX_LOADS,
      TRC.CONTRACT_MAX_TEAMS,
      TRC.CURRENT_MAX_TEAMS,
      TRC.PERCENT_COMMIT,
      L.NAME,
      R.NAME AS REGION_NAME,
      RD.KEY_NUM,
      RD.LOW_KEY_VALUE,
      RD.HIGH_KEY_VALUE,
      R1.NAME AS REGION_NAME_1,
      RD1.KEY_NUM,
      RD1.LOW_KEY_VALUE as LOW_KEY_VALUE_1,            -- as added
      RD1.HIGH_KEY_VALUE as HIGH_KEY_VALUE_1,          -- as added
      NULL,
      NULL,
      TRT.TRLR_TYPE_ID,
      to_char(TRT.EFFECTIVE, 'yyyymmdd'),
      TRT.CONTRACT_NUM_VEHICLES,
      TRT.CURRENT_NUM_VEHICLES
FROM TL_RESOURCE_CARRIER TRC,
      TL_RESOURCE_TRLR TRT,
      LANE L,
      REGION R,
      REGION R1,
      REGION_DETAIL RD,
      REGION_DETAIL RD1
WHERE TRC.TL_RESOURCE_ID = TRT.TL_RESOURCE_ID
      AND R.ID = RD.REGION_ID
      AND R1.ID = RD1.REGION_ID
      AND TRC.LANE_ID = TRT.LANE_ID
      AND TRC.CARRIER_ID = TRT.CARRIER_ID
      AND L.ID = TRC.LANE_ID
      AND L.ID = TRT.LANE_ID
      AND L.FROM_REGION_ID = RD.REGION_ID
      AND L.TO_REGION_ID = RD1.REGION_ID
select s2.*
from
select carrier_id, low_key_value, low_key_1_state 
from
( select distinct carrier_id, low_key_value, (select state from location
  where zip = s1.LOW_KEY_VALUE_1
         or city =  s1.LOW_KEY_VALUE_1
         or state = s1.LOW_KEY_VALUE_1
  and rownum = 1   -- because there are more rows with same city or same state
  )  low_key_1_state,  low_key_value_1
from s1
group by carrier_id, low_key_value, low_key_1_state
having count(*) > 1 -- select duplicates
)       s2