Tables updated behind a structure - Business partnes, Contract acct, SD con

Hello Gurus,

Is there a way to find tables updated after inserting values into structures. We are a Utility industry and for converting data we are using a tool called 'EMIGALL'. Here SAP provides structures and when we populate these structures, data is loaded into SAP.

I am new to this industry and my task is to find the main tables and their relationships.

For example, creating a Business partner. We populate structures EMG_EKUN_INIT, EKUN_DI, BUS000_DI, BUS020_DI

and BUS0ID_DI. I need to find the tables updated behind this. Any help is appreciated.