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3) Double-click the FuelQuantity field.
The table at the bottom of the query window should now have three
columns (Figure 246).
Figure 246: Query table
Step 4: Set the criterion for the query.
We want to the query's FuelID to begin with the numeral 1.
1) Type
>0
in the Criterion cell under FuelID in the query table
2) Click the
Run Query
icon in the Query Design toolbar. This icon is
circled in red in Figure 247.
Figure 247: Query Design toolbar
Figure 248 contains the Fuel table with my entries and the query
results based upon the Fuel table.
Figure 248: Fuel table and query of the fuel table
Step 5: Save and close the query.
Since this query contains the ending odometer reading for our
calculations, name it End-Reading when saving it. Then close the
query.
Step 6: Create the query to calculate the fuel economy.
1) Click Create Query in Design View to open a new query.
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