USED: Access

There are three tables:
- 00_tb1;
- 00_tb2;
- 00_tb3;
The data in the tables come by means of import or input.

QUESTION
1. How to correctly and correctly make the data flow into the table "00_tb_4"?
2. How to make actions marked on the diagram (see screen)?
3. How to make it possible to make changes in a table cell (through a table or through a form) in all tables and these changes were displayed in all tables where this record is displayed?

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