Dsum its ok, bu I have more difficult situation (dont know is possibble to use Dsum Function?)
I Have 4 Tables:
TABLE1 with Columns (ID1, Col1)
TABLE2 with Columns (ID2, Col2A,col2B)
TABLE3 with Columns (ID3, Col3)
TABLE4 with Columns (ID4, Col4)
Col1 have relationship (one to many) with ID2...