Added sample code and accompanying scripts for JDBC Data Types

[aberinnj]

@Kuassim Please review/approve

[Kuassim]

Perhaps add the UPL license to the Copyright, as follows

/*
Copyright (c) 2021, 2022, Oracle and/or its affiliates.
This software is dual-licensed to you under the Universal Permissive License
(UPL) 1.0 as shown at https://oss.oracle.com/licenses/upl or Apache License
2.0 as shown at http://www.apache.org/licenses/LICENSE-2.0. You may choose
either license.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
https://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/

[Kuassim]

I've suggested adding the UPL license text to the copyright as follows
/*
Copyright (c) 2021, 2022, Oracle and/or its affiliates.
This software is dual-licensed to you under the Universal Permissive License
(UPL) 1.0 as shown at https://oss.oracle.com/licenses/upl or Apache License
2.0 as shown at http://www.apache.org/licenses/LICENSE-2.0. You may choose
either license.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
https://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/

[aberinnj]

Done!