The ability to create and update statistics is a crucial liberty for the query optimizer. The optimizer needs to know how it is going to query underlying tables, and when the statistics do not match the data, it is very probable that it will choose a non-efficient method for querying. I’ve seen and heard a [...]
Archive of posts tagged statistics
Find Missing Table and Index Statistics
SELECT
Last_Updated = STATS_DATE(si.id, si.indid)
,TableName = object_name(si.id)
,Name = RTRIM(si.name)
,Size = DATALENGTH (si.statblob)
FROM
sysindexes si WITH (nolock)
WHERE OBJECTPROPERTY(si.id, N’IsUserTable’) = 1
–AND INDEXPROPERTY (si.id , si.name , ‘IsAutoStatistics’ ) = 0
order by last_updated, tablename
