How to synchronize an intermediate table with three links?

Question

Laravel

tell me how to synchronize an intermediate table with three links?
Intermediate table
A_B_C
a_id | b_id | c_id
Or is it generally a bad idea to do this?

Answer 1

If you have only one level of nesting i.e.
Category
- sub category
Then look in the direction of this
If the nesting is theoretically infinite, then nested set as advised above