Indexing

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: )

1,743 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 […]

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2006-12-22 (first published: )

20,561 reads

Technical Article

Quick Fix secondary Indexes ( SQL 2000 )

  • Script

In real world production tuning sometimes a "quick fix" is required. This script will generate index create scripts for any column ending ID which doesn't have an index. It's dirty and its quick but you might just be amazed by the results when run against your database!

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2007-07-11 (first published: )

492 reads

Technical Article

List all indexes with keys, description and size

  • Script

This script combines functionality of sp_helpindex and sp_spaceused to list all tables with individual indexes, their keys and description  (sp_spaceused cannot do that) and size in MB per individual index (sp_helpindex cannot do that either). Feel free to use and modify as you see fit. Hope it can help.

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2007-07-03 (first published: )

2,648 reads

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The Reindeer Count

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The Reindeer Count

How many reindeer does Santa have pulling his sleigh? (according to the famous song) Hint, the answers are not base 10.

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