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ORDS Installation Advice - CDB vs. PDB, w/ or w/out APEX

I have a 19c database with 3 PDBs (DEV, TEST and DEMO) that support an ongoing research project that will span the next 2-3 years. I have decided to start experimenting with ORDS in order to expose PL/SQL stored procedures as REST-enabled APIs to various proof-of-concept web applications. Note that these web applications also follow the DEV, TEST and DEMO model.
I am new to ORDS, so after reviewing the documentation, my first instinct is to install ORDS at the PDB-level (not the CDB) for flexibility and not to install APEX as I simply do not have the need for APEX at this time (although it might be interesting to experiment with at a later date).
Given that ORDS traces its origins back to APEX, I am curious if my installation plan is sound or if I should consider installing ORDS at the CDB level or if I should install APEX. Thank you in advance for sharing your thoughts/experiences/opinions.
Best Answer
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I am new to ORDS, so after reviewing the documentation, my first instinct is to install ORDS at the PDB-level (not the CDB) for flexibility and not to install APEX as I simply do not have the need for APEX at this time (although it might be interesting to experiment with at a later date).
π
PDB installs are easier/more flexible, and you can always add APEX later as you need it.
Answers
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I am new to ORDS, so after reviewing the documentation, my first instinct is to install ORDS at the PDB-level (not the CDB) for flexibility and not to install APEX as I simply do not have the need for APEX at this time (although it might be interesting to experiment with at a later date).
π
PDB installs are easier/more flexible, and you can always add APEX later as you need it.
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Much appreciated. I am looking forward to deploying to our existing Tomcat application servers and getting first-hand experience with ORDS and SQL Developer Web.
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I've been able to deploy ORDS 22.1.1.r1331148 in Tomcat 9 and experiment with a combination of manually defined REST end-points and ones generated from AutoREST (PL/SQL Packaged Procedures) all of which are secured with OAuth2.
One odd thing that I noticed is that when I view the AutoREST Packages in OpenAPI View is that the parameters are never visible. Are they only available in OpenAPI when manually defining the handlers?