An aggregate may not appear in the WHERE clause unless it is in a subquery contained in a HAVING clause

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1.00/5 (1 vote)

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SQL-Server-2008R2

SELECT  a.RegNo ,a.Attendance ,COUNT(a.Attendance )AtCount
FROM Attendence as a
 WHERE Attdate BETWEEN '2017-07-17' AND '2017-08-01'and a.Attendance='A' 
group by a.Attendance,a.RegNo   
order by a.Attendance

Msg 147, Level 15, State 1, Line 3
An aggregate may not appear in the WHERE clause unless it is in a subquery contained in a HAVING clause or a select list, and the column being aggregated is an outer reference.

What I have tried:

<pre>
SELECT  a.RegNo ,a.Attendance ,COUNT(a.Attendance )AtCount
FROM Attendence as a
 WHERE Attdate BETWEEN '2017-07-17' AND '2017-08-01'and a.Attendance='A' 
group by a.Attendance,a.RegNo   
order by a.Attendance

Msg 147, Level 15, State 1, Line 3
An aggregate may not appear in the WHERE clause unless it is in a subquery contained in a HAVING clause or a select list, and the column being aggregated is an outer reference.

Posted 4-Sep-17 20:15pm

vidya jobin

Updated 4-Sep-17 20:32pm

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OriginalGriff · Answer 1 · 2017-09-04T20:32:00

Solution 2

See here: SQL GROUP By and the "Column 'name' is invalid in the select list because..." error[^]

Posted 4-Sep-17 20:32pm

OriginalGriff

Member 12528773 · Answer 2 · 2017-09-04T20:26:00

Solution 1

Try this

SELECT  a.RegNo ,a.Attendance ,COUNT(a.Attendance )AtCount
FROM Attendence as a
 WHERE Attdate BETWEEN '2017-07-17' AND '2017-08-01'
group by a.Attendance,a.RegNo   
HAVING a.Attendance='A' 
order by a.Attendance

Posted 4-Sep-17 20:26pm

Member 12528773