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Luca's blog on data engineering, data platforms, and performance.
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Blog of the database services at CERN
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Wednesday, December 3, 2014
Talks at UKOUG TECH 2014 with CERN Speakers
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This is a short blog post with a list of the talks at the UKOUG TECH 2014 conference in Liverpool with CERN speakers. Come and say hi, we ...
Tuesday, November 4, 2014
Life of an Oracle I/O: Tracing Logical and Physical I/O with SystemTap
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Topic: This post is about tracing logical and physical reads in Oracle using SystemTap. You find here a few examples illustrating the main ...
Monday, September 22, 2014
SystemTap into Oracle for Fun and Profit
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Topic: This post is about using SystemTap for investigating and troubleshooting Oracle RDBMS. In particular you will learn how to probe Ora...
4 comments:
Tuesday, August 5, 2014
Scaling up Cardinality Estimates in 12.1.0.2
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Topic: Counting the number of distinct values ( NDV ) for a table column has important applications in the database domain, ranging from qu...
3 comments:
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