WebMay 2, 2011 · sys.obj$ o, sys.ts$ ts, sys.sys_objects so, sys.seg$ s so looks like GATHER_DICTIONARY_STATS is the perfect choose . But I'm really concern about even worst performance degradation after refreshing those objects stats . So is there any way I can recover from that issue, like restoring old saved stats . That is possible for 'normal' … WebJul 31, 2024 · DBMS_STATS package was introduced in Oracle 8i and used to gather Database,table,Schema,dictionary and fixed object statistic in Oracle database. Statistic of objects should be up to date in Oracle database for Oracle optimizer.

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WebSep 28, 2024 · Sounds like statistics on those tables are out of date. I would invoke the following statements: purge dba_recyclebin; exec dbms_stats.gather_dictionary_stats exec dbms_stats.gather_fixed_objects_stats; If your application creates and or drops tables frequently, you may need to put the above statements in a scheduled job. cursed izuku

Logical Migration and the Final Touches - Databases Are Fun

WebIf you cannot gather fixed objects statistics during peak load, then Oracle recommends that you do it after the system is in a runtime state, and the most important types of fixed object tables are populated. To gather statistics for fixed objects, run the following … WebMar 24, 2024 · Check if Dictionary and Fixed Objects statistics have been gathered previously to start the DataPump job or not. The DBA_OPTSTAT_OPERATIONS view is useful in determining the time stamp of statistics modifications : ... SYS@orcl> exec dbms_stats.gather_fixed_objects_stats; PL/SQL procedure successfully completed. … WebNov 2, 2024 · Gather using the APIs Oracle provides (and not, for example, individual GATHER_TABLE_STATS calls). GATHER_DICTIONARTY_STATS will (by default) … cursed jacket