Enter Mnth: Format (dtSale,“mmm”) into the first field of the grid. The Total row contains a dropdown with several options, including Group By, Sum, Avg, Min, Max, Count, StDev, Var, First, Last, Expression, and Where.įigure 1 shows the fields and settings for the query. Display the Total row on the grid by clicking the Totals button on the Design ribbon. Make a new query using the ProdSales table from last month’s column. In our example to create running sums, the domains will be the same because we are adding a field in the same table. The domain is often different than the query source, but not always. The syntax for DSum is DSum(expression, domain, ) where expression is the field or equation to aggregate domain is the name of a table or select query and criteria, which is optional, provides conditions that restrict the number of records evaluated. Data is aggregated by sum, minimum, maximum, count, average lookup, first, last, standard deviation, or variance. Domain aggregate functions retrieve data ( expression) from tables or queries ( domain) with optional conditions ( criteria). The easiest method to determine running sums uses a domain aggregate function called DSum.
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