1. The current table structure partition is

• the main table is an and contains the necessary underlying data.
• from the table: B, c, d, e, etc.
• related tables: ab, ac, ad, ae, etc.

now the data sent from the front end is a string of json strings, the structure of which is:

public class A{
    private B b;
    private C b;
    private D b;
    private E b;
}

and may change later, so I would like to know how to solve this insertion and update problem in a simpler or flexible way. The current orm framework is mybatis,. Please also know or have done some experience, thank you here.