For the about a week I have been getting an “ORA-27054: NFS file system not mounted with correct options” error when running an RMAN backup to a NFS mount point. The system administrator has not been successful in identifying the cause as it shows that the correct mount point options are being used. Metalink Doc.
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The Oracle VirtualBox software, version 4.3.8 has been released. This is a maintenance release of the software, fixing 200+ bugs across various previous versions. Here you can find the change log and the manual.
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Large enterprise database environments have dedicated DBAs performing specific database roles. Some of these specific roles include database storage management, tuning, backup and recovery, etc. Inside these organizations there has been growing concern to further ensure the use of the SOD (Segregation of Duties) concept, to fulfill duties for these roles.
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Are you looking to install Oracle software on your VirtualBox but are running low on disk space? Learn how to add disk storage to Oracle VirtualBox with Linux Guest OS.
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Almost every backup and recovery concern is focused on protecting the data stored inside database and rightly so. But during the course of a DBA career, restoring the Oracle Home or duplicating is sometimes is necessary.
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In GoldenGate 12c, the installation and the de-installation process has been standardized to use the Oracle Universal Installer (OUI) interface. In this article we will look at how can we deinstall Oracle GoldenGate.
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Database dynamic performance views provide various statistics like session events, system events, waits, etc.. These statistics are mostly cumulative values, aggregated from the time the instance was started.
Below are some views which provide these statistics. In Oracle 12c, to support multitenant environments, most of the views like V$SYSSTAT and V$EVENT_HISTOGRAM now have an additional CON_ID column.
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Starting with GoldenGate 12c, Oracle has moved the installation mechanism into the familiar Oracle Universal Installer, GUI framework. It's a good move not only in terms of ease of use but also for the uniformity of the install process across all Oracle products.
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Cataloged here are some very important, common commands that are used via the GGSCI interface during the GoldenGate configuration and for troubleshooting. Related Links • GGSCI Commands I • GGSCI Commands II
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Installation of the Oracle Binaries is a pretty simple task for the DBA's. However the process may become exhaustive if you are repeatedly performing these installs on a number of servers.
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A number of new features have been introduced with the release of Oracle GoldenGate 12c. Using the Oracle Universal Installer(OUI) to install the binaries, is one of them. Previously this was performed using the untar/unzip utility to extract the files into the home directory. This feature appears in line with the effort by Oracle to standardized the look and feel of their products and to make installation easier in the different database environments.
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In Oracle Database 12c there are two new features which can be used to control the validity and visibility of the data. They are called Temporal Validity and In Database Archiving. The concepts behind these two new features are a bit interlinked, so it is important to understand and distinguish between these two. In this […]
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With the release of Oracle GoldenGate 12c, management of the Replication environment has been eased further. In addition to this, it provides support for Oracle 12c multitenant database, a more secure authentication mechanism and much better performance. Most of these features require the database to be 188.8.131.52 or above.
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The In-Database Archiving in Oracle 12c Database, llows you to mark certain rows inside the table as inactive or archived. The rows marked as archived will stay in table but they will be unavailable to users and applications.
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Recovery of CDB, ROOT and PDB Database in 12c can be performed at the CDB container level (with ALL PDBs), ROOT or as at the individual PDB level. For the recovery at the CDB level, obviously the backups for ALL the PDBs must be present.
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Managing users, roles and privileges is a very important aspect of the database administration. With Oracle 12c there is a second dimension to controlling this user access and privileges.
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According to Oracle Virtualization blog the latest maintenance release of Oracle VM Virtualbox 4.2.18 is now available. Virtualbox is Oracle's standard tool for desktop virtualization. The latest release is a maintenance release and mostly contains bug fixes.
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Manage Multitenant CDB and PDBs with EM Express. Quick and easy steps to create, setup and deploy EM Express.
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When installing Oracle Software, you can create 12c CDB, PDB Databases using OUI, just like you used to do in the previous versions of the Oracle database.
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