SELECT STATEMENT---Cost = 52
  SORT-UNIQUE--
    NESTED LOOPS-OUTER--
      NESTED LOOPS-OUTER--
        NESTED LOOPS---
          NESTED LOOPS---
            NESTED LOOPS---
              NESTED LOOPS---
                TABLE ACCESS-FULL-MTL_CATEGORIES_B-
                INDEX-UNIQUE SCAN-MTL_CATEGORIES_TL_U1-
              TABLE ACCESS-BY INDEX ROWID-PO_REQUISITION_LINES_ALL-
                INDEX-RANGE SCAN-XXDL_PO_REQUISITION_LINES_F2-
            TABLE ACCESS-BY INDEX ROWID-PO_REQ_DISTRIBUTIONS_ALL-
              INDEX-RANGE SCAN-PO_REQ_DISTRIBUTIONS_N1-
          TABLE ACCESS-BY INDEX ROWID-PO_REQUISITION_HEADERS_ALL-
            INDEX-UNIQUE SCAN-PO_REQUISITION_HEADERS_U1-
        TABLE ACCESS-BY INDEX ROWID-PO_DISTRIBUTIONS_ALL-
          INDEX-RANGE SCAN-PO_DISTRIBUTIONS_N2-
      TABLE ACCESS-BY INDEX ROWID-PO_HEADERS_ALL-
        INDEX-UNIQUE SCAN-PO_HEADERS_U1-