Data Summation with DSUM Function
There is an Excel file that teaches how to perform the Data Summation with DSUM Function operation.
Excel Solution: Data Summation with Dsum Function
Data Summation with DSUM Function is preferred for conditional sum operations. Additionally this Excel file enables totals to be calculated based on criteria using database logic. Because the function operates by referencing a criteria range, accuracy is ensured. Thus reports with multiple conditions are produced in a faster manner. Therefore the file is used by data analysts.
Hope it is useful.