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Blog Entry
From Mainframes to Data Lakes

I’d like to draw some parallels and highlight important differences between the architecture of the mainframe and the architecture of a data lake. Hopefully, this will help us understand where and how performance gains can be made in one environment versus the other. Mainframe Architecture...

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Library Entry
ALTER TABLE ALTER PARTITION ENDING AT (Date sequence)

Given a table partitioned by ascending date with a highest Limit Key = 'MAXVALUE' create alter statements ALTER TABLE [a.b] ALTER PARTITION [n] ENDING AT ('yyyy-mm-dd'); to bring table/partition limit keys up to the most recent possible period. * Statements sequenced in descending order by ...


Library Entry
IO perfomance and DB2 for zOS

This presentation is about the description of the IO infrastructure; its performance and tuning in a Mainframe environment from a DB2 DBA point of view.

EU07B06.flv