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Generating XML data from relational data using Oracle SQL/XML

Objective:

Generate XML data from relational data using oracle provided standard packages.

Prerequisite:

 DBMS_XMLGEN.GETXML (
   sqlQuery     IN VARCHAR2,
   dtdOrSchema  IN number := NONE)
 return clob;

 Converts the results from the SQL query string to XML format, and returns the XML as a temporary CLOB.

 Solution:

SELECT dbms_xmlgen.getxml('select * from emp') xml
   FROM dual;
 
 This query will give you the complete XML structure output of the table along with its data.

Output:

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