title: Regarding one query error
body: <p>Here is my Requirement when I am using the below query I am getting the correct response but the problem is I want to select the distinct records so please help me how can I use distinct in the below query</p>
  
  <pre><code>SELECT LISTAGG(PAC.DESCRIPTION || ' = '|| ORL.ITEM_PACKAGE_COUNT , ',') WITHIN GROUP (ORDER BY PAC.DESCRIPTION || ' = '|| ORL.ITEM_PACKAGE_COUNT)
  FROM ORDER_RELEASE_LINE ORL , PACKAGED_ITEM PAC , SHIPMENT SH , ORDER_MOVEMENT OM 
  WHERE ORL.PACKAGED_ITEM_GID = PAC.PACKAGED_ITEM_GID
  AND OM.ORDER_RELEASE_GID = ORL.ORDER_RELEASE_GID
  AND OM.SHIPMENT_GID = SH.SHIPMENT_GID
  AND  SH.SHIPMENT_GID = 'ULA/SAO.5000072118'
  </code></pre>