Thursday, December 24, 2009

Query to retrieve missing indexes (suggestions) and existing indexes of a table in one resultset.

Performance of your application can change over time. This can have various reasons like:
  1. New functionality added to the product.
  2. Changes in the implementation of the product.
  3. Customer specific usage.
Because of these reasons it can happen that the current index structure is not optimal. Some new indexes are needed to create and some indexes can be dropped because they are not used. For index suggestions and index usage statitstics you can run seperate queries. However analyzing 2 different resultsets is not always easy. Download next query to combine both results sets in one resultset.

Have fun in optimizing your index structure.


Qasim Khan said...

With this query, you can easily determine which indexes might be excellent candidates to add to your database tables. This is particularly important if you are taking over management of a system or site with a lot of existing data or a large load. Online Assignment Creator You simply need to run the statement against the table(s) you want to index, and it will return all indexes that have ever been added and any missing indexes as well:

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