How to print an XML element empty as a < elem > < / elem > rather than < elem / >

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• How to generate the xml tag empty when meets elements void inside

  Hi gurus,
  
  IAM facing a problem to generate the empty tag, here is my file that I'm generating now

  <HEADER>
      <MINISTRY_CODE>RPO</MINISTRY_CODE>
      <DEPARTMENT_CODE>000</DEPARTMENT_CODE>
      <ORDER_CODE>RPO000EPO11001002</ORDER_CODE>
      <EXTERNAL_SYSTEM_CODE>E</EXTERNAL_SYSTEM_CODE>
      <AMENDMENT_NUMBER>0</AMENDMENT_NUMBER>
      <VARIATION_NUMBER>0</VARIATION_NUMBER>
      <EXCEPTIONS>
        <EXCEPTION>
          <EXCEPTION_CODE>PO016</EXCEPTION_CODE>
          <EXCEPTION_LONG_DESC>PO cannot be created/amended successfully</EXCEPTION_LONG_DESC>
        </EXCEPTION>
      </EXCEPTIONS>
    </HEADER>
    <ITEMS>
      <ITEM>
        <LINE_NUMBER>1</LINE_NUMBER>
        <EXCEPTIONS>
          <EXCEPTION>
            <EXCEPTION_CODE xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:nil="true"/>
            <EXCEPTION_LONG_DESC xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:nil="true"/>
          </EXCEPTION>
        </EXCEPTIONS>
        <LOCATIONS>
          <LOCATION>
            <LINE_NUMBER>1</LINE_NUMBER>
            <EXCEPTIONS>
              <EXCEPTION>
                <EXCEPTION_CODE xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:nil="true"/>
                <EXCEPTION_LONG_DESC xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:nil="true"/>
              </EXCEPTION>
            </EXCEPTIONS>
            <DISTRIBUTIONS>
              <DISTRIBUTION>
                <LINE_NUMBER>1</LINE_NUMBER>
                <EXCEPTIONS>
                  <EXCEPTION>
                    <EXCEPTION_CODE xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:nil="true"/>
                    <EXCEPTION_LONG_DESC xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:nil="true"/>
                  </EXCEPTION>
                </EXCEPTIONS>
              </DISTRIBUTION>
            </DISTRIBUTIONS>
          </LOCATION>
        </LOCATIONS>
      </ITEM>
    </ITEMS>
  </GEBIZ_ORDER_ACK>

  current I'm generating tags EXCEPTION even if it is null as
  < EXCEPTIONS >
  < EXCEPTION >
  < EXCEPTION_CODE xmlns: xsi = "http://www.w3.org/2001/XMLSchema-instance" xsi: Nil = "true" / >
  < EXCEPTION_LONG_DESC xmlns: xsi = "http://www.w3.org/2001/XMLSchema-instance" xsi: Nil = "true" / >
  < / EXCEPTION >
  < / EXCEPTIONS >
  but my requirement is them does not when the exception code is null and generate as
  < EXCEPTIONS / >
  
  This is sql that I use to generate the above said code let me know how can I control who

                     SELECT xmlserialize(document
                                xmlelement("GEBIZ_ORDER_ACK"
                                , xmlagg(
                                    xmlconcat(hdr, dtls)
                                  )
                                )
                                as clob indent size = 2
                              )
                     --  INTO lv_out
                       FROM (
                             SELECT xmlelement("HEADER"
                                         , xmlelement("MINISTRY_CODE", poh.ministry_code)
                                         , xmlelement("EXCEPTIONS"
                                               , xmlelement("EXCEPTION"
                                                           , xmlelement("EXCEPTION_CODE"   --,NVL(poh.exception_code,'NULL')
                                                           , xmlattributes(
                                                             NVL2(poh.exception_code,null,'http://www.w3.org/2001/XMLSchema-instance') as "xmlns:xsi"
                                                           , NVL2(poh.exception_code,null,'true') as "xsi:nil"
                                                             )
                                                           ,poh.exception_code)
                                                           , xmlelement("EXCEPTION_LONG_DESC"
                                                           , xmlattributes(
                                                             NVL2(poh.exception_long_desc,null,'http://www.w3.org/2001/XMLSchema-instance') as "xmlns:xsi"
                                                           , NVL2(poh.exception_long_desc,null,'true') as "xsi:nil"
                                                             )
                                                           ,poh.exception_long_desc)
                                                           )
                                                     )
                                         ) hdr
                                   , xmlelement("ITEMS"
                                   , xmlagg(
                                            xmlelement("ITEM"
                                             ,xmlelement("LINE_NUMBER", v1.line_no)
                                             ,xmlelement("EXCEPTIONS"
                                                      , xmlelement("EXCEPTION"
                                                                  , xmlelement("EXCEPTION_CODE"    --,NVL(v1.exception_code,'NULL')
                                                                  , xmlattributes(
                                                                    NVL2(v1.exception_code,null,'http://www.w3.org/2001/XMLSchema-instance') as "xmlns:xsi"
                                                                  , NVL2(v1.exception_code,null,'true') as "xsi:nil"
                                                                    )
                                                                  , v1.exception_code)
                                                                  , xmlelement("EXCEPTION_LONG_DESC"
                                                                  , xmlattributes(
                                                                    NVL2(v1.exception_long_desc,null,'http://www.w3.org/2001/XMLSchema-instance') as "xmlns:xsi"
                                                                  , NVL2(v1.exception_long_desc,null,'true') as "xsi:nil"
                                                                    )
                                                                  ,v1.exception_long_desc)
                                                                  )
                                                        )
                                             ,xmlelement("LOCATIONS"
                                             ,( SELECT xmlagg(
                                                        xmlelement("LOCATION"
                                                      , xmlelement("LINE_NUMBER",v2.location_line_no)
                                                      , xmlelement("EXCEPTIONS"
                                                      , xmlelement("EXCEPTION"
                                                      , xmlelement("EXCEPTION_CODE"   --,NVL(v2.exception_code,'NULL')
                                                      , xmlattributes(
                                                        NVL2(v2.exception_code,null,'http://www.w3.org/2001/XMLSchema-instance') as "xmlns:xsi"
                                                      , NVL2(v2.exception_code,null,'true') as "xsi:nil"
                                                        )
                                                      , v2.exception_code)
                                                      , xmlelement("EXCEPTION_LONG_DESC"
                                                      , xmlattributes(
                                                        NVL2(v2.exception_long_desc,null,'http://www.w3.org/2001/XMLSchema-instance') as "xmlns:xsi"
                                                      , NVL2(v2.exception_long_desc,null,'true') as "xsi:nil"
                                                        )
                                                      ,v2.exception_long_desc)
                                                                  )
                                                        )
                                             ,xmlelement("DISTRIBUTIONS"
                                             ,(SELECT xmlagg
                                               (       xmlelement("DISTRIBUTION"
                                                       ,xmlelement("LINE_NUMBER", v3.distribution_line_no)
                                                       ,xmlelement("EXCEPTIONS"
                                                       , xmlelement("EXCEPTION"
                                                       , xmlelement("EXCEPTION_CODE"--,NVL(v3.exception_code,'NULL')
                                                       , xmlattributes(
                                                         NVL2(v3.exception_code,null,'http://www.w3.org/2001/XMLSchema-instance') as "xmlns:xsi"
                                                       , NVL2(v3.exception_code,null,'true') as "xsi:nil"
                                                        )
                                                       ,v3.exception_code)
                                                       , xmlelement("EXCEPTION_LONG_DESC"
                                                       , xmlattributes(
                                                         NVL2(v3.exception_long_desc,null,'http://www.w3.org/2001/XMLSchema-instance') as "xmlns:xsi"
                                                       , NVL2(v3.exception_long_desc,null,'true') as "xsi:nil"
                                                        )
                                                      ,v3.exception_long_desc)
                                                                  )
                                                          )
                                                        ) ORDER BY v3.distribution_line_no
                                                     ) FROM xgbz_fin_stage_ack_pot_v@dev_1157.RP.EDU.SG v3
                                                      WHERE v2.po_cont_code = v3.po_cont_code
                                                        AND v2.line_no = v3.line_no
                                                        AND v2.location_line_no = v3.location_line_no
                                                        AND v2.fs_timestamp = v3.fs_timestamp
                                                        AND v3.tx_timestamp IS  NULL
                                                   )
                                                 )
                                               ) ORDER BY v2.location_line_no
                                            ) FROM xgbz_fin_stage_ack_pol_v@dev_1157.RP.EDU.SG v2
                                             WHERE v2.line_no = v1.line_no
                                               AND v2.po_cont_code = v1.po_cont_code
                                               AND v2.fs_timestamp = v1.fs_timestamp
                                               AND v2.TX_TIMESTAMP IS NULL
                               )
                             )
                           ) ORDER BY v1.line_no
                         )
                       ) dtls
                  FROM xgbz_fin_stage_ack_poh_v@dev_1157.rp.edu.sg poh,
                       xgbz_fin_stage_ack_pod_v@dev_1157.rp.edu.sg v1
                 WHERE v1.po_cont_code = poh.po_cont_code
                   AND v1.fs_timestamp = poh.fs_timestamp
                   AND v1.tx_timestamp IS NULL
                   AND poh.tx_timestamp IS NULL
                   AND poh.po_cont_code = rec_po_ack.po_cont_code
                 GROUP BY poh.po_cont_code,poh.ext_system_code,poh.amendment_no,poh.variation_no,poh.exception_code,poh.exception_long_desc,
                          poh.ministry_code, poh.dept_code)

  It's urgent please help in this regard.
  
  Thanks in advance.
  
  Concerning
  Mr. Nagendra

  Hello

  Here are two possible solutions:

  xmlelement("EXCEPTIONS",
    xmlforest(
      xmlforest(
        v1.exception_code as "EXCEPTION_CODE"
      , v1.exception_long_desc as "EXCEPTION_LONG_DESC"
      ) as "EXCEPTION"
    )
  )
  

  Mun

  xmlelement("EXCEPTIONS",
    case when v1.exception_code is not null
           or v1.exception_long_desc is not null
      then xmlelement("EXCEPTION",
             xmlforest(
               v1.exception_code as "EXCEPTION_CODE"
             , v1.exception_long_desc as "EXCEPTION_LONG_DESC"
             )
           )
    end
  )
  

• How to get several xml elements in a relationship 1: n without using xmlaggregation

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  < Months > 2013 - 02 - 01 < / months >

  < Einddatum > 2013 - 02 - 15 < / Einddatum >

  < Deelnemer >

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  < Tussenvoegsel / >

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  < / Deelnemer >

  < Deelnemer >

  Tilde < Chairwoman > < / Chairwoman >

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  < Voorkeurstaal > nl < / Voorkeurstaal >

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  < / Deelnemer >

  < / inquiry >

  < / NieuweSurveys >

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  Copyright (c) 1982, 2010, Oracle.  All rights reserved.
  
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