Ms sql updating statistics starfishda24 dating
I would like to ask for your suggestions as whether following the details, when Statistics is updated, are accurate or not.
If the number of rows in a table is less than 500, statistics is updated for every 500 changes in table.
If the number of rows in table is more than 500, statistics is updated for every 500 20% of rows changes in table.
Temporary table If the table has no rows, statistics is updated when there is a single change in table.
” The obvious way to do that it to tell SQL Server to do more than just take a sample of the data: instead to do it with FULLSCAN.
So they use a command like this: of extra IO to the work of updating statistics. It has only six statistics on it: I queried information about them with a query like this.