• sqlcasewhenthen > sqlbinddbat("sys"
  • sqlbinddbat("sys"

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    MonetDB/SQL Meets SkyServer, SSDBM '07, Banff
    MonetDB/SQL Meets SkyServer:
    the Challenges of a Scientific Database
    Milena Ivanova, Niels Nes,
    Romulo Goncalves, Martin Kersten
    CWI, Amsterdam
    Presented at SSDBM, July 2007, Banff, Canada
    SkyServer provides public
    access to SDSS
    for astronomers, students,
    and wide public
    A project to make a map of a large part of the Universe
    230 million object images
    1 million spectra
    4TB catalog data
    9TB images
    SkyServer Schema
    446 columns
    >370 million rows
    Vertical fragment of 100+ popular columns
    Materialized join of Photo and Spectra
    Outline
    MonetDB/SQL
    SkyServer porting lessons
    Query log lessons
    Evaluation
    Outlook
    MonetDB Background
    0.0645
    0.1433
    0.2811

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    2@0
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    1.2079
    1.0662

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