Database Reference
In-Depth Information
date: 2014-07-27, trip length: 96
date: 2014-07-29, trip length: 300
date: 2014-07-30, trip length: 203
date: 2014-08-01, trip length: 197
Name: Suzi; days on road: 2; miles driven: 893
date: 2014-07-29, trip length: 391
date: 2014-08-02, trip length: 502
In this case, you need either another query to produce the total mileage, or another
calculation in your program that computes the overall total.
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