A container object of configuration details of a database system. This
object can be used to programmatically setup configuration properies
in a database system.
author: Tobias Downer
Returns the current path set for this configuration. This is
useful if the configuration is based on a configuration file that has
path references relative to the configuration file. In this case,
the path returned here would be the path to the configuration
file.
Returns the value that was set for the configuration property with the
given name.
This method must always returns a value that the database engine can use
provided the 'property_key' is a supported key. If the property key
is not supported and the key was not set, null is returned.