Not getting empty tags in XML output

Question

Hello,
I am using DBMS_XMLQuery.getXML function and cusor function in my select statement to generate XML documents. If the column value is null, the XML document is not generating a empty tag. How do I generate empty tags?
My query is :-
SELECT
MSG_NAME ,MSG_DATE, BATCH_ID,
cursor (SELECT ACTION_CODE,PART_NUMBER,
ITEM_DESCRIPTION,ITEM_STATUS
UOM,CONVERSIONS,INSPECTION_FLG
FROM ITEM_OUT ITEM
WHERE ITEM.BATCH_ID= ECF.MSG_BATCH_ID
) as item_header
FROM FILE_CONTROL ECF
null

Answer 1

You need to set the option to use a null indicator. By default, null values omit their elements. With the null indicator, they are included as empty elements with a NULL="Y" attribute flag.