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Use column alias for order by #84

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Use column alias for order by #84

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2 changes: 1 addition & 1 deletion questions/aggregates/00041250-fachoursbymonth.ex
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Expand Up @@ -9,7 +9,7 @@ select facid, sum(slots) as "Total Slots"
starttime >= '2012-09-01'
and starttime < '2012-10-01'
group by facid
order by sum(slots);
order by "Total Slots";
|ANSWER|
<p>This is only a minor alteration of our previous example. Remember that aggregation happens after the <c>WHERE</c> clause is evaluated: we thus use the <c>WHERE</c> to restrict the data we aggregate over, and our aggregation only sees data from a single month.</p>
|HINT|
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