Comments on: Frequency Histogram 5 http://jonathanlewis.wordpress.com/2010/10/13/frequency-histogram-5/ Just another Oracle weblog Wed, 19 Jun 2013 16:07:17 +0000 hourly 1 http://wordpress.com/ By: Frequency Histograms – 6 « Oracle Scratchpad http://jonathanlewis.wordpress.com/2010/10/13/frequency-histogram-5/#comment-37572 Wed, 20 Oct 2010 08:12:53 +0000 http://jonathanlewis.wordpress.com/?p=4599#comment-37572 [...] the strategy could lead to a couple of anomalies if you were unlucky. I’ve already published a note about one such anomaly that can occur with fairly long character strings, this note describes another anomaly that could [...]

]]> By: Jonathan Lewis http://jonathanlewis.wordpress.com/2010/10/13/frequency-histogram-5/#comment-37539 Thu, 14 Oct 2010 15:21:26 +0000 http://jonathanlewis.wordpress.com/?p=4599#comment-37539 Flado,

Thanks for that. I didn’t say quite what I had intended – I’ve corrected the statement.

]]> By: Flado http://jonathanlewis.wordpress.com/2010/10/13/frequency-histogram-5/#comment-37530 Wed, 13 Oct 2010 14:49:06 +0000 http://jonathanlewis.wordpress.com/?p=4599#comment-37530 [quote]
…Oracle reports the histogram endpoint_number as the cardinality…
[/quote]

Just a nitpick: It seems from looking at the plan and the script output that Oracle reports the frequency (1600), not the endpoint_number (2500).

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