self join- how to use the aggregate functions
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Published on 2010-06-11T06:15:30Z
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2010/06/11
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self join- how to use the aggregate functions
select a.tablename,
b.TableName,b.UserName from Employee a inner join
Employee b on a.ColumnValue=b.ColumnValue
and and a.TableName <> b.TableName and
a.UserName=b.UserName
and also to check whether the same user has count of records i.e Employee a = count of records of Employee b.
how to add count function over here
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