Sql server updating a master database georgetown dating
The other indexed column also had a data type of INT.
The bulk of the table's queries were done against the secondary index.
Also, if you have a very large table, it may take quite a while to reach the 10% metric -- longer than you want in some cases.
Manually updating the statistics may be necessary in that case.
The @resample parameter triggers the procedure to get a fresh sample of records from the table, instead of using the prior sample of records.
However, approximately 1.2 million records were deleted each morning and throughout the day a new 1.2 million records were added.
The primary key for this table was an identity column with a data type of INT.
Typically, both should be left enabled for databases.
Statistics are automatically updated when certain thresholds within SQL Server are met, i.e., the number of rows in the table increases or decreases by 10% of the number of rows the statistic was based on.
When you fine-tune UPDATE STATISTICS to perform within your environment, you will find that it is time well spent.