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accenture enkitec group

Loss Aversion and the Setting of DB_BLOCK_CHECKSUM

Within Accenture Enkitec Group, we have recently been discussing the Oracle db_block_checksum parameter and how difficult it is to get clients to set it to a safer setting.

Clients are always concerned about the performance impact of features like this. Several years ago, I met a lot of people who had—in response to some expensive advice with which I strongly disagreed—turned off redo logging with an underscore parameter. The performance they would get from doing this would set the expectation level in their mind, which would cause them to resist (strenuously!) any notion of switching this [now horribly expensive] logging back on. Of course, it makes you wish that it had never even been a parameter.

I Wish I Sold More

I flew home yesterday from Karen’s memorial service in Jacksonville, on a connecting flight through Charlotte. When I landed in Charlotte, I walked with all my stuff from my JAX arrival gate (D7) to my DFW departure gate (B15). The walk was more stressful than usual because the airport was so crowded.

The moment I set my stuff down at B15, a passenger with expensive clothes and one of those permanent grins established eye contact, pointed his finger at me, and said, “Are you in First?”

Wai... Wha...?

I said, “No, platinum.” My first instinct was to explain that I had a right to occupy the space in which I was standing. It bothers me that this was my first instinct.

He dropped his pointing finger, and his eyes went no longer interested in me. The big grin diminished slightly.