SELECT [table1].FORMNUMBER,[table1].PARTNO,[table1].PARTDESC,[table1].COST,[table1].QTY
FROM [table1] INNER JOIN [table1] ON [BoM].ManufactuererPartNo = [table1].PARTNO;
Removed some identifying info just for safety sake, and seems it is an inner join. Was intending to use the relation as a...