Publish a plsql code as webservice without using JDEVELOPER or APEX

Hi All,
I am looking into how can we publish a PLSQL code as web-service without using JDEV OR APEX.
When I google for this one I can see only by using JDEV or APEX we can publish Code as a web-service.
Is there any way in oracle, just by using simple PLSQL packages we can publish code as a webservice.
Appreciate your response.
Thanks,
MK.

Apex does not publish PL/SQL code as web services. It is a web run-time and development framework. Something totally different.
To turn a PL/SQL function into a web service is simple. You use the orawsv servlet in XDB - without making a single code change to the function. It will not even know it is called as a web service.
To use orawsv, two basic steps. Configure and enable the servlet (raw HTTP/HTTPS connections will be handled by the Listener). This also entails enabling shared server in the database, if not already enabled. The 2nd step is to allow the function to be executed (via a HTTP call) as a web service, via granting specific roles.
orawsv handles the HTTP call. It provides the WSDL. It parses SOAP envelopes as input. It makes the call (as a standard PL/SQL call), to the function being used as a web service. It returns the results of the PL/SQL function call, as a SOAP envelope output.
See Support Notes:
How to Setup Native Oracle XML DB Web Services [Article ID 444191.1]
Sample Framework for testing Native Oracle XML DB Web Services [Article ID 803794.1]
How to Browse Native Oracle XML DB Web Services Example [Article ID 1324235.1]

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Publish a plsql code as webservice without using JDEVELOPER or APEX

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