[Product update] Infrastructure Analysis Tool is now available with Business Accounts.Learn More
Experts Exchange Solution brought to you by
"The solutions and answers provided on Experts Exchange have been extremely helpful to me over the last few years. I wear a lot of hats - Developer, Database Administrator, Help Desk, etc., so I know a lot of things but not a lot about one thing. Experts Exchange gives me answers from people who do know a lot about one thing, in a easy to use platform." -Todd S.
Do you wonder if your IT business is truly profitable or if you should raise your prices? Learn how to calculate your overhead burden with our free interactive tool and use it to determine the right price for your IT services. Download your free eBook now!
statement AS [database.scheme.table],
column_id , column_name, column_usage,
FROM sys.dm_db_missing_index_details AS mid
CROSS APPLY sys.dm_db_missing_index_columns (mid.index_handle)
INNER JOIN sys.dm_db_missing_index_groups AS mig
ON mig.index_handle = mid.index_handle
INNER JOIN sys.dm_db_missing_index_group_stats AS migs
ORDER BY mig.index_group_handle, mig.index_handle, column_id
Open in new window
Yes, anything used in a comparison should be indexed.
If column1 and column4 are always part of a comparison in either a where clause or on join, each should have its own index.
And I read that if the where clause has a > or M sign, which means the query is going to return data in an order, then clustered index should be on that column, right?
Facing a tech roadblock? Get the help and guidance you need from experienced professionals who care. Ask your question anytime, anywhere, with no hassle.
From novice to tech pro — start learning today.
Premium members can enroll in this course at no extra cost.