sql server - How to compare query performance with & without indexes on a table? -



sql server - How to compare query performance with & without indexes on a table? -

i learning indexes, know how work, can't see difference in numbers help me lot. asking tips & tricks how check of import factors :)

besides, using sql server 2012

query execution plans valuable resource at, see how queries performing. additionally, utilize next commands in ssms capture metrics of query execution:

set statistics io on; set statistics time on;

this give details of time taken , io operations performed each statement in batch

sql-server performance tsql time indexing

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