How do you troubleshoot SQL Server if its running very slow?

Answer Posted / abc

we can check for the cpu utilization from the task manager
and if it above 80% then we have to check the status of
indexes or we can say we have to recreate the statics as
well as indexes.
there are many other factors but in production servers
indexing causes a great performance enhancement.Also we
have to check whether large I/o operations are not
hindering the performance.

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