Indexing

Technical Article

Prioritize Missing Index Recommendations (2005)

  • Script

To report indexes proposed by the database engine that have highest probable user impact.  Note that no consideration is given to 'reasonableness' of indexes-- bytes, overall size, total number of indexes on a table, etc.  Intended to provide targeted starting point for holistic evaluation of indexes.

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2007-08-17

983 reads

Technical Article

Script to aid in Indexing Strategy

  • Script

When AUTOSTATS is used in a database, we can sometimes use these automatically generated statistics to find columns where SQL Server has built statistics on non-indexed columns that may benefit from an index. This script finds these columns and displays the selectivity of them. This script can be useful in troubleshooting poorly performing databases by […]

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2007-04-09 (first published: )

1,748 reads

Technical Article

Update statistics for all tables in any DB

  • Script

Most of the time even after executing dbcc dbreindex script on database you won't see much improvement in application/DB performance.  Thats because dbreindex creates statistics for all tables but it executes sp_updatestats which is like sample statistics. To get the maximum performance we had to execute Update statistics with fullscan on table. This simple will […]

4.75 (8)

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2006-12-22 (first published: )

21,062 reads

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Question of the Day

Copying Production Schema

If I use DBCC CLONEDATABASE, can I remove some of the information from the copy?

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