Item - Category Query

      SELECT 
    msi.segment1 AS Item_Code,  
    msi.DESCRIPTION AS Item_Desc,  
    mcs.CATEGORY_SET_NAME,  
    mck.CONCATENATED_SEGMENTS,  
    mck.SEGMENT1, mck.SEGMENT2, mck.SEGMENT3, mck.SEGMENT4, mck.SEGMENT5,  
    mck.SEGMENT6, mck.SEGMENT7, mck.SEGMENT8, mck.SEGMENT9, mck.SEGMENT10,  
    mck.SEGMENT11, mck.SEGMENT12, mck.SEGMENT13, mck.SEGMENT14, mck.SEGMENT15,  
    mck.SEGMENT16, mck.SEGMENT17, mck.SEGMENT18, mck.SEGMENT19, mck.SEGMENT20  
FROM 
    mtl_system_items_b msi,  
    mtl_item_categories mic,  
    MTL_CATEGORIES_KFV mck,  
    MTL_CATEGORY_SETS_TL mcs  
WHERE 
    msi.INVENTORY_ITEM_ID = mic.INVENTORY_ITEM_ID  
    AND msi.ORGANIZATION_ID = mic.ORGANIZATION_ID  
    AND mic.CATEGORY_ID = mck.CATEGORY_ID  
    AND mcs.CATEGORY_SET_ID = mic.CATEGORY_SET_ID  
    AND mcs.LANGUAGE = 'US' 
    AND msi.ORGANIZATION_ID = :P_Org_id
    AND mcs.CATEGORY_SET_NAME='Tax Classification'
    AND msi.segment1='23542345234'