Update on Ember’s Data Science Journey – February 18, 2019

I’ve been moving along well this year on my data science journey. I’ve been thoroughly enjoying an edX class: Python for Data Science from UC San Diego. I started using Jupyter Notebooks (Python Kernel) over a year and a half ago, so I am enjoying the course on three levels:

  1. It seems easy because I have a background in Python, basic programming, and Linux systems
  2. I’m learning more about the Python libraries I use for Db2 health checks, and more about DataFrames that builds on my self-taught knowledge.
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Using Windows AD groups in DB2

DB2 has an “interesting” relationship with Windows OS, and one of the areas where that relationship comes to the surface is user authentication and authorization, particularly when one is trying to use Active Domain groups for authorization purposes.

Here are a few pointers:

  1. Don’t use CLIENT authentication – this authentication method is explicitly excluded from the ability to use AD groups for authorization purposes.
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Db2’s Alternate Page Cleaning

The first professional technical presentation I ever gave was on March 31, 2003. I had been a DBA for just less than 2 years. It was at an event called “SDC West Geek Fest”. It was an internal IBM event within Global Services where the technical folks delivering services got together to share technical expertise. The title was something along the lines of “10 ways to improve physical performance in Db2”. This was just after version 8.1 was released. The top three on my 10-item list were Continue reading »

The Autumn That Nearly Drowned Me

For more than 5 years I’ve managed to average at least one blog entry a week through fluctuating workloads and even through changing employers. And then came this autumn. The combination of a couple of large clients and going into holiday peak period for a couple of retail clients, collided with the IDUG EMEA conference where I was presenting two new sessions nearly combined to do me in.… Read the rest

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