List Contents of Directory in Autonomous AI Database
Use the function DBMS_CLOUD.LIST_FILES to list the contents of a
    directory.
               
For example, to list the contents of the staging directory,
      run the following query:
               
SELECT * FROM DBMS_CLOUD.LIST_FILES('STAGING');To run DBMS_CLOUD.LIST_FILES with a
      user other than ADMIN you need to grant read privileges on the directory to that user. See
        LIST_FILES Function
      for more information.