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 blog.sqlora.com
Fix Optimizer Estimate Issues from Implicit Conversions #JoelKallmanDay
| | www.bobbydurrettdba.com
Cardinality errors across joins | Bobby Durrett's DBA Blog
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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...
| | oracle-randolf.blogspot.com
Oracle related stuff: Getting first rows of a large sorted result set quickly - NOSORT issues
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| | When attempting to display only the first n rows of a result set that is ordered the Oracle optimizer offers special optimizations for these...
| | kerryosborne.oracle-guy.com
Kerry Osborne's Oracle Blog » Blog Archive » Explain Plan Lies
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| | oralytics.com
My first steps with Oracle 12c « Ora-lytics
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| Oracle 12c was released just over a week ago and I've finally managed to get round to installing it.This must be the first time that I have done an install of an newly release Oracle Database, where everything worked first time. Typically I have learned from the past and have left it a few months...