WebOracle Optimizer determines the cost of each execution plan based on database, schema, table and other statistics. The changes inside database result in stale statistics. As a DBA, you must gather stats periodically using DBMS_STATS package. Gather Table, Index and Schema Statistics Gather Other Database Objects Statistics Check Stale Statistics Linux … WebFeb 16, 2012 · Second - see its properties, and there you will see the last updated timestamp: Or you may want to execute the following query: SELECT t.name TableName, s.[name] StatName, STATS_DATE(t.object_id,s.[stats_id]) LastUpdated FROM sys.[stats] AS s JOIN sys.[tables] AS t ON [s].[object_id] = [t].[object_id] WHERE t.type = 'u'
How to Find Last Analyzed date on Tables, Partition, and ... - DBsGuru
WebJul 16, 2024 · For multi-column statistics, you will see 1 entry in the table, per column, as you can see in the example screenshot I posted, where there are multiple entries for the “PK_Statistics” statistic. Checking for Errors. To check for errors query the monitoring.ErrorLog table using the following query: Web3. Gather full database stats: EXEC DBMS_STATS.gather_database_stats; -- With estimate_percent to 15 percent or any other value , if the db size very huge. EXEC … pat boone is known as
Recommendations and Best Practices for Gathering Statistics
WebWith above query I can easily see when statistics have changed. I can’t know if they have been computed manually or by GATHER_STATS_JOB but time of the gathering give some … WebAn input argument of type VARCHAR(128) that specifies the identifier with which the statistics within stattab are associated. options An input argument of type VARCHAR(128) that specifies the objects for which statistics are gathered. objlist An output argument of type ObjectTab that returns the list of objects that are stale or empty. statown WebFeb 29, 2016 · So once interview was finished i decided to check how i can find out if my stats are stale. Check dba_tables last analyzed column. select owner,table_name,last_analyzed From dba_Tables; select table_name, stale_stats, last_analyzed from dba_tab_statistics where stale_stats='YES'; LIST STALE==>Works … tiny houses in charlotte