Tariq Farooq's Blog – April 2012 Archive (2)

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Added by Tariq Farooq on April 22, 2012 at 11:24pm — No Comments

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Added by Tariq Farooq on April 3, 2012 at 5:20pm — No Comments

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Blog Posts

Oracle 12c Features Enforcing Consumers for an Upgrade

Oracle has been one of the most preferred database management systems and has been serving the software development platform at both small-scale and large-scale companies with its advanced data management tools for more than a decade. On delving a bit deeper into the history of DBMSes, you see Oracle as a huge brand name just because of its features; however, the noticeable aspect about Oracle is, the upgrade in its versions are a bit slower compared to other well-known…

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Posted by Prett Sons on April 21, 2014 at 9:45pm

Database hang and Row Cache Lock concurrency troubleshooting

This post will help to analyze Oracle database instance slowdown that can happen due to considerable row cache lock (enqueue) wait events. It’s is based on a real case of a database hang that I worked on recently. I must admit this type of situation does not appear often but it’s very dangerous since it can considerably slow down a database instance or even freeze it for a short period of time. In most cases SQL against ASH view and Systemstate dumps can help to nail down the problem unless…

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Posted by Kirill Loifman on April 15, 2014 at 12:53am

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