Select Count(*) from Select

Select Count(*) from Select

I am trying to get row count from the following query. I get only row count as 1 but there are 35 records. Could you please let me know how to get the count from inner query?

Thank you

SELECT COUNT(*)(SELECT DISTINCT a.my_id, a.last_name, a.first_name, b.temp_val
                FROM Table_A a INNER JOIN Table_B b on a.a_id = b.a_id)

1 Answer

You're missing a FROM and you need to give the subquery an alias.

SELECT COUNT(*) FROM 
(
  SELECT DISTINCT a.my_id, a.last_name, a.first_name, b.temp_val
   FROM dbo.Table_A AS a 
   INNER JOIN dbo.Table_B AS b 
   ON a.a_id = b.a_id
) AS subquery;
10

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Alexander Ross
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Alexander Ross

Alexander Ross has covered the video game industry for a decade, writing deep dives on game design, esports tournaments, VR developments, and gaming culture.