Featured – DataGeek.blog

March 10, 2020 Featured

DB2 Administrative SQL Cookbook: List Privileged IDs that do not Have the Connect Authority

Purpose

To list IDs that have one or more privileges, but do not have the CONNECT authority through a direct grant, a group, or a role, either explicitly or implicitly. I used this to find IDs I might need to grant CONNECT to before revoking connect from PUBLIC.… Read the rest

February 26, 2020 Featured / MDM

A Single Source of Truth – Even More Elusive in the Cloud Era?

Introduction

I would like to begin by thanking Ember for allowing me to be a guest blogger and explaining the motivation behind writing this blog.

The “need for speed” in today’s world has led to a sweeping reform where old ideas are discarded too rapidly.… Read the rest

January 28, 2020 Featured

How do I Install SQL?

I have seen the question several times on various groups or forums – “How do I install SQL?”. From a DBA standpoint, this isn’t even a properly formed question. From a developer learning standpoint the question makes sense. I needed Python, I went and downloaded Anaconda.… Read the rest

January 21, 2020 Featured

SQL+RDBMS Basics: What is a Commit?

This post is cross-platform and applies to all RDBMSes.

It is interesting to see, as a person experienced with a technical tool, some of the disadvantages of the newer ways of learning technical topics. When I started in IT, you learned some of the concepts in college, you learned some things working on the job with other DBAs who knew what they were doing, and you filled in the gaps by going to week-long classes once a year to get some detailed and hands-on official training.… Read the rest

January 2, 2020 Featured

Packaging and Licensing of Db2 for LUW – Version 11.5

Edit 2020-01-02: corrected limit for free Db2 on Cloud to the correct 200 MB. Original text is still in the document, in strikeout.

This is one of the few blog entries where I include the Db2 version number right in the title.… Read the rest

November 19, 2019 Featured

Troubleshooting SQL0803N

SQL0803N is an error message that means the SQL statement just issued failed due to violating a unique constraint within the database. The ‘N’ at the end of this error means that this statement failed and was not executed, but that it is probably not a database system issue.… Read the rest

July 3, 2019 Featured

Why dsmtop isn’t Even Half as Good as db2top

I think I’m beginning to better understand why IBM is not fond of tools like db2top. The truth is that the developers really only get exposure to the largest Db2 clients. These are the ones that really pay the developer’s salaries, after all.… Read the rest

March 22, 2018 Featured

Index of Introductory Db2 Topics

This blog entry is designed to serve as a roadmap for current blog entries directed at those newer to Db2. In my mind, this likely includes anyone who has been working with Db2 for less than 2 years. However, often there are areas we spend more time in than others, so I think of these topics also as "spackle" - to fill in gaps for the self-taught. Note that some of the topics below are not links. This is because they're areas I plan to blog about in the future. Continue reading »