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...
This section describes new features of Oracle9i Data Guard and provides pointers to additional information. New feature information from Oracle8i releases is retained to help those users migrating to the current release. The following sections describe the new features in Data Guard: ...
Wait event for 'TCP Socket (KGAS)' Waits are observed in OEM Grid (or DBConsole) in the ASH (from v$active_session_history) reports The waits may also be reported when you are using UTL_HTTP, UTL_SMTP etc.ChangesNoneCauseSign In To view full details, sign in with your My Oracle ...
Not all 5 Oracle White Paper—Upgrading from Oracle Database 10g to 11g: What to expect from the Optimizer of the columns in the column group need to be present in the SQL statement for the Optimizer to use extended statistics; only a subset of the columns is necessary. Use DBMS_S...
However, it is still possible to check the recovery operation by checking the:select * from v$...
Granted, this does not mean there isn't a tuning opportunity but you can at least show the SQL is working. The V$SESS_IO view and the columns associated with it. There is an Oracle session identifier (SID) that you can link back to the V$SESSION view for the active session. If the...
i did a test in 11G in a session : insert into t select form t; -about 1548800*2 rows inserted, cousume about 102S; i monior v$sess_io, find consumer data is about block_gets consistent_gets physical_reads block_changes consistent_changes ...
So, SELECT_CATALOG_ROLE is not pure SELECT as it also has some FLASHBACK and also 2 READ but importantly 2 EXECUTE grants. The total grants are 4539 in Oracle 18c XE. The next step is how many SYS objects of TABLE or VIEW are there. I know you also SELECT from a SEQUENCE but lets...
The big problem in these situations is that it is noticed only after the shutdown immediate has been issued. This kind of situation is mostly caused by 2 things: 1. a large query running at the shutdown moment. 2. a large transaction running at the shutdown moment. ...
What Should you do if your Oracle Database is Hacked? This is the second talk that I did at the recent UKOUG conference at the East Side rooms in Birmingham. This talk discusses how you should respond if you think that your database has been breached or if you unfortunately know that yo...