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What is the output of the following qury?
SELECT EnrollmentDate, COUNT(*) AS StudentCount
WHERE EnrollmentDate IS NOT NULL
on 1/22/2014 | Category:
LINQ Interview questions
| Views: 8900 |
Select from following answers:
When the above query is run, you get the following error:
Column 'Person.EnrollmentDate' is invalid in the select list because it is not contained in either an aggregate function or the GROUP BY clause.
Because it requires a groupBy or an Aggregate function clause as you are performing Count.
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