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Automatic indexing is cool...plus something to tell you what indexes aren't used
Now, I will admit up front that I haven't technically tried out all of their bits and pieces of the following tool, but over the past week I have made a lot of use of some of the indexing suggestions...
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Blogging the DMV's
Well, I am working on a project that is going to be a book on dynamic management views (and functions, but DMF is an interesting acronym, and objects, as in DMO, has a well known other meaning. What I...
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sys.dm_db_partition_stats
For the current database, gives you space oriented statistics for each partition of indexes (even if you only have one partion), like row count, page counts, etc. Resembles the sysindexes in previous...
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sys.dm_db_file_space_usage
Give space usage of objects in tempdb (most likely this will be extended to more than just tempdb in a future edition of SQL Server.) Can be used to see how and why space is being used in Tempdb, on a...
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sys.dm_db_index_usage_stats
This object gives statistics on how an index has been used to resolve queries. Most importantly it tells you the number of times a query was used to find a single row (user_seeks), a range of values,...
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sys.dm_io_virtual_file_stats
Excellent dmv that shows, for each file that SQL Server uses for the databases, stats on how frequently the file has been used by the database. This is one of the primary dynamic management views I use...
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sys.dm_exec_query_optimizer_info
Information about how queries have been optimized since the server has been restarted. Note that counters are only affected when there is some sort of optimization event, not on every query....
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sys.dm_db_index_operational_stats
This object provides very useful stats on how many times an index has been used, locked, waited on, etc. An index in this context can mean several things: a clustered index, heap, index, or a...
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2008: Rebuilding a Heap
In 2005, rebuilding a table that was a heap (no clustered index) wasn't easy. You could copy it to a different table, or you could add a clustered index and then drop it. In 2008, this is a far easier...
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