SELECT count(personid) as total from dbo.table1 A,dbo.table1 B where
a.personid=b.personid and a.personid = 12
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Question
SQL query to check if a value exists in two different tables and return the count
I would like to find the count of the number of rows if a value exists in either of two tables.
Example: If the column personid exists in table1 and table2. How do get the Count(*) of the number of rows returned if personid = '12' using a single query after chcking both tables.
only personid is the same column in both tables.
Below code returns for one table.
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by: brejkPosted on 2009-11-02 at 04:22:55ID: 25718737
SELECT
(SELECT count(*) from dbo.table1 where personid = 12) +
(SELECT count(*) from dbo.table2 where personid = 12) AS total