ACC2000: Dynamic Query to Return Records for the Previous Month (202319)

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To create a query that returns the data from the previous month based on the current date, use the Between...And operator with the DateSerial() function in the Criteria of the Date field. The DateSerial() function returns a date for a specified year, month, and day. The syntax of the DateSerial() function is: The following example returns all records from the Orders table of the sample database Northwind.mdb in which the value in the ShippedDate field falls within the previous month.

CAUTION: If you follow the steps in this example, you modify the sample database Northwind.mdb. You may want to back up the Northwind.mdb file and follow these steps on a copy of the database.

1. Start Microsoft Access and open the sample database, Northwind.mdb.
2. Open the Orders table in Datasheet view.
3. Click in the ShippedDate field.
4. On the Records menu, point to Sort and click Sort Ascending.
5. In several of the records in which the ShippedDate field is empty, enter dates that fall within the previous month.
6. Close the Orders table.
7. Create the following query based on the Orders table:

       Query: qryLastMonth
       ---------------------------------------------------------
       Type: Select Query
   
       Field: OrderID
       Table: Orders
   
       Field: OrderDate
       Table: Orders
   
       Field: RequiredDate
       Table: Orders
   
       Field: ShippedDate
       Table: Orders
       Criteria: Between DateSerial(Year(Date()),Month(Date())-1,1) And 
       DateSerial(Year(Date()),Month(Date()),0)
   					

8. Save the query as qryLastMonth.
9. Run the qryLastMonth query. Note that it returns only the records that you changed in step 5.

In this example, the DateSerial() function automatically handles the change in the year. In the expression in the Criteria of the ShippedDate field, the second instance of the DateSerial() function sets the day argument to zero. Therefore, the expression returns the last day of the previous month. For example: returns