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dhewes asked

Phantom index?

I ran a query that ran slow. I added the index and it ran fast. I added "with (index(0))" to remove the index. It ran fast. The plan did not show it was using the index when I used "with (index(0))". Thinking the index triggered a new plan, I deleted the index. It ran slow. Does this make sense?

performanceindexing
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Not without being able to see the execution plans.

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