How to escape <, >, and & characters to html entities in Oracle PL/SQL

Question

I need to send HTML emails directly from oracle PL/SQL package. This works almost fine.

I have problem with the fact that some of the data fetched from a table conta

Answer 1

Also available is DBMS_XMLGEN.CONVERT which can handle a clob.

Example:

select DBMS_XMLGEN.CONVERT('') from dual

Details: https://docs.oracle.com/cd/B19306_01/appdev.102/b14258/d_xmlgen.htm