Query to get Item Category Details in Oracle Fusion

SELECT items.item_number

      ,itemcats.category_id

  ,itemcats.sequence_number

  ,itemcats.alt_item_cat_code

  ,ect.description

  ,ect.category_name

  FROM egp_item_cat_assignments itemcats

      ,egp_category_sets_b catsets

  ,egp_system_items_b items

  ,inv_org_parameters org

  ,egp_categories_tl ect

 WHERE catsets.category_set_id = itemcats.category_set_id

   AND items.inventory_item_id = itemcats.inventory_item_id

   AND org.organization_id = items.organization_id

   AND itemcats.category_id=ect.category_id

   AND ( ( catsets.control_level = 1

AND itemcats.organization_id = org.master_organization_id 

     )

  OR ( catsets.control_level = 2

AND itemcats.organization_id = org.organization_id

  ) 

)