How to Insert Data Into Join Tables?

That is different. If you look carefully, what is being inserted is data that is being selected from three other tables. So it's not that the insert is a join, but the insert is OF a join.

Thanks for your explanation. I'd need your idea, I'm sorry for my updated question. How can I insert data to multiple tables in sequence at the same time?

Read this part of the docs:

https://www.codeigniter.com/user_guide/d...tions.html

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