It takes time to learn SQL, and it takes time to learn Plotalot. Try to be patient!
If Plotalot works well for you, please help us by posting a review at the Joomla Extensions Directory: https://extensions.joomla.org/extension/bsr-plotalot/
If you like Plotalot, please buy the paid version, which also gets you the plugin: https://remository.com/downloads/06_-Plotalot-Pro/Plotalot-Pro-Plugin/
The support service does not provide help with SQL queries, but we can provide assistance as a custom service.
If you find a real bug or problem, we do want to hear about it, and we will try to help, so please contact us, giving us as much detail as you can. Often, it helps to send us a trace as described in the Troubleshooting section. If you do need help, please raise a support ticket: https://remository.com/support/support-tickets
You can find a detailed version history for Plotalot, and check whether you have the latest version, here: https://remository.com/component/changelog/