Saturday, June 18, 2011

Exadata presentations

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Well, I'm finally getting my exadata presentations up on my blog.  I will give a synopsis of it so you can decide if you want to look th...
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Sunday, June 5, 2011

indexing HCC partititions

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I have been playing with what happens when you index HCC compressed data .  If you follow the recommended strategy, you will partition your ...
Friday, June 3, 2011

UNYOUG meeting 6/10 In Buffalo.

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Yes, it's once again time for my shameless plug for the Upstate NY Oracle Users Group meeting.  This time it's in Buffalo at Buff St...
Thursday, June 2, 2011

Cardinality and the in clause

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I was running a query that had an in clause, and the cardinality turned out to be wrong.. After investigating, I found that the optimizer wa...
Wednesday, May 25, 2011

ORA-27303: additional information: requested interface xxx.xxx.xxx.xxx failed bind. Check output from ifconfig command

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Finally on the exadata, and I make a simple mistake in the login script.  First I logon to the exadata, and I can start and stop the defau...
Tuesday, May 24, 2011

Extended RAC vs Golden Gate

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 Every so often this question comes up... "Why don't we do extended RAC ?"     Well here is some of my answer as to what we...

Oracle and networking latency with small packets

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Recently I have run into some performance issues, and trying to track down the cause has been a challenge.  It wanted to share a valuable le...
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