如何在没有连接的情况下查询多个相关表，并使用JDBC获取一致的数据？

I am creating a process that connects to a given SQL Server database via JDBC, scans every table, and reads any new data that has been inserted or updated since the last run of this process. The owner of the database will not allow this process to do joins on any of the tables due to performance concerns. I am creating a process that connects to a give