Sql Query Question 2. highest value

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This Query Find Second Highest Id From table

But My question There How (Where Clause Execute)?
LIke WHERE (2)

SQL

SELECT Id
FROM testTabel2 test1
WHERE (2) =
 
(
SELECT COUNT(DISTINCT(test2.Id ))
FROM testTabel2 test2
WHERE test2.Id >test1.Id )

Posted 6-Jun-13 2:11am

BHAVESH63

Updated 6-Jun-13 2:22am

Maciej Los

v2

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Maciej Los · Answer 1 · 2013-06-06T02:25:00

Solution 1

Try this:

SQL

SELECT *
FROM (
    SELECT ID, ROW_NUMBER() OVER(ORDER BY ID Desc) AS RowNo
    FROM Table1) AS T
WHERE RowNo = 2

More about: ROW_NUMBER() T-SQL[^]

or

SQL

SELECT TOP(1) ID
FROM (
    SELECT TOP(2) ID
    FROM Table1
    ORDER BY ID DESC) AS T
ORDER BY ID ASC

Posted 6-Jun-13 2:25am

Maciej Los

Updated 6-Jun-13 2:30am

v3

Comments

gvprabu 6-Jun-13 8:28am

simple but nice.... my +5 :-)

BHAVESH63 7-Aug-13 0:42am

Hi Maciej Los

I have Return Second Highest Id But I know how this query execute

Maciej Los 6-Jun-13 8:30am

Thank you ;)
have a look now, i added some extra example ;)

BHAVESH63 7-Aug-13 0:44am

query debugging but can't stop at

(
SELECT COUNT(DISTINCT(test2.Id ))
FROM testTabel2 test2
WHERE test2.Id >test1.Id )

please tell me how it Execute and what is return by it?

gvprabu 6-Jun-13 8:32am

very nice example

Maciej Los 7-Aug-13 2:11am

Returned value: count of unique (distinct) Id's from Table2, if there is more than one ID in Table2, then it counts it only one times;
For further information about WHERE clause, see this: Greather Than (T-SQL)[^]

Maciej Los 6-Jun-13 8:33am

Thank you ;)

ridoy 6-Jun-13 8:35am

+5

Maciej Los 6-Jun-13 8:39am

Thank you ;)