### Relevant Articles:

- [Getting Database URL From JDBC Connection Object](https://www.baeldung.com/jdbc-get-url-from-connection)
- [JDBC URL Format For Different Databases](https://www.baeldung.com/java-jdbc-url-format)
- [How to Check if a Database Table Exists with JDBC](https://www.baeldung.com/jdbc-check-table-exists)
- [Inserting Null Into an Integer Column Using JDBC](https://www.baeldung.com/jdbc-insert-null-into-integer-column)
- [A Guide to Auto-Commit in JDBC](https://www.baeldung.com/java-jdbc-auto-commit)