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blog.tanelpoder.com | ||
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www.dbaglobe.com
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| | | | | A blog about on new technologie. Hands-on note about Hadoop, Cloudera, Hortonworks, NoSQL, Cassandra, Neo4j, MongoDB, Oracle, SQL Server, Linux, etc. | |
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tanelpoder.com
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| | | | | People often ask how come I know so much about Oracle (and some Unix) internals and how do I have such a passion for such things. Also, another thing which you can notice is that for some reason a large amount of hardcore computer hackers, low level troubleshooters and various internals experts happen to come from Russia. And I can answer why this is so :) A little bit of history: I was born in Estonia and lived over 20 of my first years there. - Linux, Oracle, SQL performance tuning and troubleshooting ... | |
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tanelpoder.com
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| | | | | I haven't written any blog entries for a while, so here's a very sweet treat for low-level Oracle troubleshooters and internals geeks out there :) Over a year ago I wrote that Oracle 11g has a completely new low-level kernel diagnostics & tracing infrastructure built in to it. I wanted to write a longer article about it with comprehensive examples and use cases, but by now I realize I won't ever have time for this, so I'll just point you to the right direction :) - Linux, Oracle, SQL performance tuning a... | |
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www.bobbydurrettdba.com
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| | | We have been discussing query tuning at work and I've come back to an example of the Oracle optimizer choosing the wrong plan due to an error in its calculation of the number of rows returned... | ||
