Month: January 2013

The lowercase and quotes table names may not be able to audit(小写表名可能不会审计)

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昨一好朋友问我开了审计，有些表但无审计记录。 下面我来还原这个问题 db_version oracle 10201 for linux SQL> show parameter audit NAME TYPE VALUE ———————————— ———– —————————— audit_file_dest string /u1/oracle/admin/ORCL/adump audit_sys_operations boolean FALSE audit_syslog_level string audit_trail string DB, EXTENDED audit select any table by access; SQL> select os_username,username,terminal,timestamp,owner,obj_name,audit_option from DBA_AUDIT_TRAIL order by 4; OS_USERNAM USERNAME TERMINAL TIMESTAMP OWNER OBJ_NAME AUDIT_OPTION ———- ———- ———- ——————- —————————— … Read more

ORA-1688: unable to extend table SYS.WRH$_ACTIVE_SESSION_HISTORY

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1) Export the snapshots and then do a manual purge To purge the Table SYS.WRH$_ACTIVE_SESSION_HISTORY, you may first query the Snapshot History with the query below: select snap_id, begin_interval_time from sys.dba_hist_snapshot order by snap_id; Then, you choose the range of snapshot you want to delete, and you execute the following Procedure: exec dbms_workload_repository.drop_snapshot_range ( low_snap_id … Read more

batch change read only DB in mssql 2K

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I had an issue while dropping a mssql user today, I was unable to drop the user and it failed with the user in an read_only db. I had many db in the server(more than 200),and many read-only db,so To delete an user must setting there DB to read write status.