RBO as a functionality is no longer supported. RBO still exists in Oracle 10gRelease 1, but is an unsupported feature. No code changes have been made to RBO and no bug fixes are provided. Oracle supports only the query optimizer, and all applications running on Oracle Database 10gRelease 1...
There are two components in Oracle Real Application Cluster implementation could experience split brain. 1. Clusterware layer Cluster nodes maintain their heartbeat via private network and voting disk. When there is a private network disruption, cluster nodes can not communicate to each other via priv...
To be proactive, from Time to time I run bunch of queries on all of the databases in a loop to check what is the wait profiles from dba_hist_active_sess_history and v$active_session_history to see if we can optimize some of the work and offload those unnecessary I/O to unused CPU ...
DB time=DB CPU+ DB waiting time(no-idle time) 注意:AWR中的DB time等于所有session DB time之和(除去后台进程) SQL> select SESSION_ID,NAME,P1,P2,P3 2 from v$active_session_history ash, v$event_name enm 3 where ash.event#=enm.event# 4 and SESSION_ID=194; SESSION_ID NAME P1 P2 P3 ...
After the R12.1.2, it add a new function to build custom interface for WEB ADI, which is known as Oracle E-Business Suite Desktop Integration Framework (DIF).for further information ,u can gethereor get it from the newest WEB ADI UG. ...
When you select an expression say 1 from a table (can be dual or any other table), it will return the expression depending on the number of rows in the table.Eg:- Select 1 from dual; returns 1 as there is only one record in dual. Select 1 from v$s...
Oracle enables you to restore an older backup and apply only some redo data, thereby recovering the database to a specified time or SCN. This type of recovery is called incomplete recovery. You must open your database with a RESETLOGS operation after performing incomplete recovery in order to ...
What is Gather_table_stats? DBMS_STATS.GATHER_TABLE_STATS iswhat gathers the statistics that allow Oracle to make this determination. It tells Oracle that there are roughly 1 million rows in the table, that there are 3 distinct values for the issue_status column, and that the data is uneve...
Wait event for 'TCP Socket (KGAS)' Waits are observed in OEM Grid (or DBConsole) in the ASH (from v$active_session_history) reports The waits may also be reported when you are using UTL_HTTP, UTL_SMTP etc.ChangesNoneCauseSign In To view full details, sign in with your My Oracle ...
However, it is still possible to check the recovery operation by checking the:select * from v$...