Histograms are Evil like Chocolate is Evil

Track

DBA

Date and time

Thursday, 19. October 2017., 15:50

Room

Hall A

Duration

45'

Are you using Histograms? Yes, of course you are - even if you didn\'t know it. Did you want to use them? Are they helping you get to the optimal optimization plan, or making life harder for the optimizer? I will explain the benefits and threats associated with histograms, how the new 12.2 histogram types make them more acceptable, where they are still a threat and how I usually handle them for greatest benefit in large systems.

Lecture details

Type: Lecture
Level of difficulty: General
Experience Level: No experience
Desirable listeners function: DBA

About speaker

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HrOUG.hr

The conference is organized by the Croatian Association of Oracle users. More about the association can be found at Hroug.hr.

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