Tuesday, November 22, 2005

 

How to find statistics?

One of my friends wanted to know the way to find statistics in a table. There are many ways to find the statistics in a table; I mostly prefer to use the following query.


select
object_name(id) as [Table / Index],
name [Statistics Name]
from sysindexes
where indexproperty(id,name,N'IsStatistics') = 1


Out of which, the system generated statistics always begins with '_WA_Sys_'. So, we can extract the system generated statistics by using the following query.

select
object_name(id) as [Table / Index],
name [Statistics Name]
from sysindexes
where indexproperty(id,name,N'IsStatistics') = 1
and
name like '_WA_Sys_%'

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