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...
Oracle RAC One Node is a single instance of Oracle RAC running on one node in a cluster. You can use Oracle RAC One Node to consolidate many databases onto a single cluster with minimal overhead, and still provide the high availability benefits of failover protection, online rolling patch ap...
Oracle Database - Enterprise Edition - Version 10.1.0.2 and laterInformation in this document applies to any platform. PURPOSE This note is to explain what is split brain in an Oracle Real Application cluster and what errors/consequences are associated with it. SCOPE For DBA and Support engineer...
Number of Oracle database in our estate is a high number and they are on shared storage arrays which means if one of them is naughty on I/O it has a potential impact on others. To be proactive, from Time to time I run bunch of queries on all of the databases in a loop to check...
What is DB time in AWR? AWR中有 DB time这个术语,那么什么是DB time呢? Oracle10gR2 官方文档 给出了详细解释(Oracle10gPerformance Tuning Guide 5.1.1.2 Time Model Statistics) The most important of the time model statistics is DB time. This statistics represents the total time spent in...
Now you might notice that I added a filter criteria to my query. I added "where is_head_piece = 1". I did this because if you query more of the columns in the v$im_header view you will discover that an IMCU can be made up of one or more "pieces". ...
You can get all information of the Oracle data dictionary using the static views and v$ views (dynamic). For example you can use select * from v$database; This is stored in the data dictionary.This will give the information regarding the database name ,version,etc.. Just check this doc ...
What is Gather_table_stats? DBMS_STATS.GATHER_TABLE_STATS iswhat gathers the statistics that allow Oracle to make this determination. It tells Oracle that there are roughly 1 million rows in the table, that there are 3 distinct values for the issue_status column, and that the data is uneve...
If you were to try starting a VNC server, this is what you would expect to see currently: root@sc2:~# vncserver :1 -bash: vncserver: command not found To start off, first we will need to connect the Oracle Solaris server to the internet, in order to accessOracle’s package repository...
Oracle Cloud Infrastructure - Database Service - Version N/A and laterInformation in this document applies to any platform.SymptomsWait event for 'TCP Socket (KGAS)' Waits are observed in OEM Grid (or DBConsole) in the ASH (from v$active_session_history) reports The waits may also be ...