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Editorial Team
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Asked: 2026-06-13T01:59:01+00:00

I run this query on SQL Server 2008: SELECT * FROM Dealers WITH (INDEX(0))

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I run this query on SQL Server 2008:

SELECT * 
FROM Dealers WITH (INDEX(0))
WHERE ID = 'rrsdsd'

But the execution plan shows that it used the clustered index of the table.

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Why so?

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1 Answer

  1. Editorial Team

    What you are telling SQL Server is to execute the query not using any indexes. Therefore, I would expect the query plan to show the clustered index being used (because that is your data), but a scan being done and not a seek. Is this the case?

    According to the documentation:

    If a clustered index exists, INDEX(0) forces a clustered index scan and INDEX(1) forces a clustered index scan or seek.

    This is exactly what you are seeing.

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