Lead Database Administrator
Ember is always curious and thrives on change. Working in IT provides a lot of that change, but after 18 years developing a top-level expertise on Db2 for mid-range servers and more than 7 years blogging about it, Ember is hungry for new challenges and looks to expand her skill set to the Data Engineering role for Data Science. With in-depth SQL and RDBMS knowledge, Ember shares both posts about her core skill set and her journey into Data Science. Ember lives in Denver and work from home


How to completely stop DB2

On Linux and Unix anyway. This is actually a common request during build when OS-level patches are applied or other OS-level work needs to be done, especially any related to disks.

Stop Commerce (and/or any other applications)

I’m not going to go into detail on this one – it is not my area of expertise.… Read the rest

Continue reading »


So I generally write my posts a day ahead and schedule them to be posted mid-morning when I think people would be around to see the tweets or other indications there’s a new post. But I was sick yesterday. So it probably looked to my employer like I was posting on my blog when I was too sick to work, but whatever – I actually schedule multiple days ahead when I get a writing bug.… Read the rest

Continue reading »

10 Commerce Tables you should be familiar with

UPDATE: An updated version of this post is available – Updated: 10 WebSphere Commerce Tables You Should Be Familiar With


So there are 800+ tables in the typical Commerce database – you’re never going to know them all. And getting a start on understanding the data model – even in the more limited way needed when you’re playing primarily the system dba role can be daunting.… Read the rest

Continue reading »

DBClean – Guest Users

This is part of a series focusing on the details of each item that needs to be pruned in a Commerce database.

Guest Users

What is it?

Guest Users are created by Commerce in the database. Technically they are only needed for when you allow a customer to add items to their cart before logging in or registering, or for a few other actions.… Read the rest

Continue reading »


What is HADR?

HADR is DB2’s implementation of log shipping. Which means it’s a shared-nothing kind of product. But it is log shipping at the Log Buffer level instead of the Log File level, so it can be extremely up to date.… Read the rest

Continue reading »