Hardcoded values within XML tags

Inorder to generate an XML file, is it a requirement to have all the data in the database?
For example, if I do:
Select 'MyValue' From Dual -> it will return me with MyValue. Essentially, this is hardcoding values.
Is this achievable using sql to generate XML output
<Test>My Hardcorded Value</Test> -> where My Hardcorded Value is the value i want to embed within the <Test> tag.
Thanks

Without knowing what method you are even using to generate the XML nor what DB version, here is one solution for 10.x.x.x
select XMLElement("Test",'My Hardcoded Value')
  from dual;
results in
<Test>My Hardcoded Value</Test>

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              <element name = "U05" type = "string"/>                    
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    <U03c>Y</U03c>
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    Hi,
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    Thanks,
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    Thanks for your reply. :)
    Its working fine in the DBMS_XMLSTORE package. Here I have given the code
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      ename    VARCHAR2(100));
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             <EMPNO>7369</EMPNO>
             <HIREDATE>27-AUG-1996</HIREDATE>
             <TYP ENO="7369" ENAME="PEPPIN" />
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             <TYP>
               <ENO> 20701 </ENO>
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      rows := DBMS_XMLStore.insertXML(insCtx, xmlDoc);
      -- Close the context
      DBMS_XMLStore.closeContext(insCtx);
    END;
    SELECT * FROM emp;
    EMPNO        SAL HIREDATE          TYP(@ENO, @ENAME, ENO, ENAME)
    739         1800 27-AUG-96     TYP_DUMMY(739, 'Nazurullah', 1, ' ALDRIN ')
    7369       18000 27-AUG-96     TYP_DUMMY(7369, 'PEPPIN', NULL, NULL)
    20701      37000 27-AUG-96     TYP_DUMMY(NULL, NULL, 20701, ' VENKATACHALAM ')

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