Truncate table updating statistics oracle

2) You index the data in partitions only, because you are putting the recent data into the in-memory store so almost any kind of access is very fast, but you do not want to swamp the entire in-memory store with older data that people rarely query.But you still want reasonable access performance on that old data.If you truncate a table, then the partial index dictionary definition may not be correctly observed for partitions.Do you wonder if your IT business is truly profitable or if you should raise your prices?Learn how to calculate your overhead burden using our free interactive tool and use it to determine the right price for your IT services. You cannot grant or revoke permissions for update statistics at the column level.You must have the sso_role to run update statistics or delete statistics on sysroles, syssrvroles, and sysloginroles security tables.

They can be have triggers associated with them With 12.1(12c database) Oracle release , concept of temporary undo has been introduced which allows the undo segments for global temporary tables to be stored in the temporary tablespace.By default, users with the sa_role have permission to run update statistics and delete statistics on system tables other then sysroles, syssrvroles and sysloginroles, and can transfer this privilege to other users.The partial syntax for grant and revoke is: grant [truncate table | update statistics | delete statistics] on table_name to revoke [truncate table | update statistics | delete statistics] on table_name from You can also issue grant all to grant permissions on update statistics, delete statistics, and truncate table.But undo are still generated in undo tablespace which has redo logging.So redo operation are not totally eliminated in Global temporary tables but they are relatively lower Data in temporary tables is automatically deleted at the end of the database session, even if it ends abnormally.

Leave a Reply