So I have a script that runs daily. It creates a temp table then inserts the records to a table from the temp table. The script used to create indexes but few months ago I commented out the index creation. My question is, does the index still exist in the table? Will it still slow down the update, insert etc? I can see the index names in the index usage report.
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closed as not a real question by Mark Storey-Smith, Paul White, RolandoMySQLDBA, Aaron Bertrand, dezso Feb 27 at 7:35
It's difficult to tell what is being asked here. This question is ambiguous, vague, incomplete, overly broad, or rhetorical and cannot be reasonably answered in its current form. For help clarifying this question so that it can be reopened, see the FAQ.