Oracle Scratchpad

Public Appearances

20th – 23rd Oct Nordic Tour: I’ll be joining the OTN Nordic Tour – which is going to be a whirlwind visit to Stockholm (Sweden), Oslo (Norway), Copenhagen (Denmark), and Helsinki (Finland) in that order. I’ve got two topics on the agenda: Understanding and Optimising Parallel Queries, and Reading an AWR Report. Further details at this URL.
5th – 7th Nov Istanbul, Turkey: Change of plan for Turkey – I’ll be part of a three-day “Oracle Summit” including Pete Finnigan and Frits Hoogland. My day (6th) will be spent on “Beating the Optimizer”. Further details in a pdf file at this URL.
18th – 20th Nov Nuremberg, Germany: DOAG annual conference 2014 – I’ve had two presentations accepted: “Basic Selectivity” (Wednesday 19th, midday) and “Join Selectivity” (Thursday 20th, 10:00 am)2014 08 04-DOAG 2014 Konferenz-Banner Speaker-Highlighnen-180x150- eng (1)
7th – 10th Dec Liverpool: The UKOUG Tech Conference is in Liverpool this year; I’ve got three sessions (more like one short and one long, though) in the main conference and one on “Super Sunday”.Titles and (provisional) times are:

  • Calculating Selectivity:  Sunday 13:30 – 14:20
  • Five hints for Efficient SQL:  Tuesday 17:30 – 18:20
  • Fundamentals of Troubleshooting (without graphics) pt.1 Wednesday 09:00 – 09:50
  • Fundamentals of Troubleshooting (without graphics) pt.2 Wednesday 10:00 – 10:50

My presentation on “Understanding and Optimising parallel queries” is on the reserve list – so there’s always a chance that that will get in at the last minute.

15th Dec Munich (Germany): I’ll be running the one day course “Beating the Optimizer” under the Oracle University “Celebrity Seminars” banner. Further details at this URL


  1. Hi Jonathan,
    Are there any plans of you doing an apperance in Canada/Toronto?

    Comment by Lovell — November 16, 2012 @ 11:50 pm BST Nov 16,2012 | Reply

  2. Hello Jonathan,

    I would really like you to visit us in Morocco, because we really need you to seminars.


    Comment by ZH — November 20, 2012 @ 9:30 am BST Nov 20,2012 | Reply

    • ZH,

      Whereabouts in Morocco – I visit Gibraltar from time to time, and Tangier is just the other side of the straits.
      Maybe you could get your local Oracle Rep to persuade Oracle University to do something there.

      Comment by Jonathan Lewis — December 22, 2012 @ 5:31 pm BST Dec 22,2012 | Reply

  3. Hi Jonathan,
    I would really like you to visit us in Pune,India. Personally i would like to attend your “Designing Optimal SQL” 2 day tutorial course/seminar.

    Comment by SP — January 4, 2013 @ 6:33 am BST Jan 4,2013 | Reply

    • SP,

      It’s been a couple of years since I attended AIOUG – I’m trying to reduce the number of long-haul flights I take each year, but maybe it’s about time I asked the ACE program if they would sponsor me to appear at AIOUG again.

      Comment by Jonathan Lewis — January 4, 2013 @ 1:22 pm BST Jan 4,2013 | Reply

  4. Hi Jonathan,

    Any plans of visiting Australia in the near future. Really keen to attend your sessions.


    Comment by Vijay — July 24, 2013 @ 4:05 am BST Jul 24,2013 | Reply

  5. Vijay,

    Not this year, but the China trip I had pencilled in for October has been merged with the OTN APAC tour, and I think I’ll be covering Japan and China. Unfortunately I don’t have time for the whole APAC trip which covers NZ and Australia – but I may be able to do that next year.

    Comment by Jonathan Lewis — July 24, 2013 @ 4:12 pm BST Jul 24,2013 | Reply

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