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sql - How to do a case sensitive GROUP BY?

If I execute the code below:

with temp as
(
  select 'Test' as name
  UNION ALL
  select 'TEST'
  UNION ALL
  select 'test'
  UNION ALL
  select 'tester'
  UNION ALL
  select 'tester'
)
SELECT name, COUNT(name)
FROM temp
group by name

It returns the results:

TEST   3
tester 2

Is there a way to have the group by be case sensitive so that the results would be:

Test   1
TEST   1
test   1
tester 2
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1 Answer

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by (71.8m points)

You need to cast the text as binary (or use a case-sensitive collation).

With temp as
(
  select 'Test' as name
  UNION ALL
  select 'TEST'
  UNION ALL
  select 'test'
  UNION ALL
  select 'tester'
  UNION ALL
  select 'tester'
)
Select Name, COUNT(name)
From temp
Group By Name, Cast(name As varbinary(100))

Using a collation:

Select Name Collate SQL_Latin1_General_CP1_CS_AS, COUNT(name)
From temp
Group By Name Collate SQL_Latin1_General_CP1_CS_AS

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