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12c Release 1 database software installation on Linux
Here is a quick look at the installation of the 12c database software on an Oracle virtual machine running Oracle Enterprise Linux 5.8 Most of the screens in the installation are very similar to 11g...
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Oracle 12c database creation using DBCA
Oracle 12c database creation using DBCA Multitenant Architecture for Database Consolidation Container databases are part of the 12c new feature called Multitenant Architecture. The concept is that you...
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Catch the Latch on Oracle DB
Waits on the cache buffer chains latch, ie the wait event “latch: cache buffers chains” happen when there is extremely high and concurrent access to the same block in a database. Access to a block is...
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How Oracle Locking Works
When a transaction updates a row, it puts a lock so that no one can update the same row until it commits. When another transaction issues an update to the same row, it waits until the first one either...
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Article 0
Killing Oracle Sessions There are a number of ways to kill rogue sessions both within Oracle and externally. Identify the Session to be Killed ALTER SYSTEM KILL SESSION ALTER SYSTEM DISCONNECT SESSION...
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How to check which PSU is installed…if any
Oracle PSUs (Patch Set Updates) are referenced by their 5-place version number. Unfortunately they do not change version numbers in the Oracle binaries, product banners and such though (see MOS...
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12c Release 1 database software installation on Linux
Here is a quick look at the installation of the 12c database software on an Oracle virtual machine running Oracle Enterprise Linux 5.8 Most of the screens in the installation are very similar to 11g...
View Article
