Count([OrderID]) Uses the Count function to display the number of records in the current query.
Count(*) Uses the Count function to count the number of records in the query, including records with Null (Null: A value you can enter in a field or use in expressions or queries to indicate missing or unknown data. In Visual Basic, the Null keyword indicates a Null value. Some fields, such as primary key fields, can't contain Null.) (blank) fields.
DCount("[ShippedDate]", "Orders", "[ShipCountry] = '" & strCountry & _ "' AND [ShippedDate] > #" & dteShipDate & "#") Returns the number of orders in the Orders table that were shipped to a specified country/region (strCountry) after a specified ship date (dteShipDate). The domain is the Orders table.
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