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Friday, April 4 • 10:30 - 11:15
P86 Hvordan optimaliseres spørringer? En introduksjon til MySQL optimizer

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En databases "optimizer" har èn oppgave: å generere en så effektiv utførelsesplan som mulig for en hvilken som helst spørring. I denne presentasjonen går vi gjennom de forskjellige stegene og modulene i MySQL sin optimizer. De fleste teknikkene som benyttes er universelle og gjelder derfor også andre databasesystemer.

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avatar for Øystein Grøvlen

Øystein Grøvlen

Oracle NO
Øystein Grøvlen is a Senior Principal Software Engineer in the MySQL group at Oracle, where he works on the MySQL Query Optimizer. Dr. Grøvlen has a PhD in Computer Science from the Norwegian University of Science and Technology. Before joining the MySQL team 5 years ago, he was a contributor on the Apache Derby project and Sun's Architectural Lead on Java DB. Prior to that, he worked for 10 years on development of... Read More →


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