Fixed Oracle schema generation failure.
Fixed Oracle schema generation failure.

sahara-labs/scheduling-server,jeking3/scheduling-server,jeking3/scheduling-server,jeking3/scheduling-server,sahara-labs/scheduling-server,sahara-labs/scheduling-server,sahara-labs/scheduling-server,jeking3/scheduling-server,sahara-labs/scheduling-server,sahara-labs/scheduling-server,jeking3/scheduling-server,jeking3/scheduling-server