{"id":146764,"date":"2002-03-01T00:00:00","date_gmt":"2002-03-01T00:00:00","guid":{"rendered":"https:\/\/www.microsoft.com\/en-us\/research\/msr-research-item\/data-mining-the-sdss-skyserver-database\/"},"modified":"2018-10-16T21:09:07","modified_gmt":"2018-10-17T04:09:07","slug":"data-mining-the-sdss-skyserver-database","status":"publish","type":"msr-research-item","link":"https:\/\/www.microsoft.com\/en-us\/research\/publication\/data-mining-the-sdss-skyserver-database\/","title":{"rendered":"Data Mining the SDSS SkyServer Database"},"content":{"rendered":"<div class=\"asset-content\">\n<p>An earlier paper described the Sloan Digital Sky Survey\u2019s (SDSS) data management needs [Szalay1] by defining twenty database queries and twelve data visualization tasks that a good data management system should support. We built a database and interfaces to support both the query load and also a website for ad-hoc access. This paper reports on the database design, describes the data loading pipeline, and reports on the query implementation and performance. The queries typically translated to a single SQL statement. Most queries run in less than 20 seconds, allowing scientists to interactively explore the database. This paper is an in-depth tour of those queries. Readers should first have studied the companion overview paper \u201cThe SDSS SkyServer \u2013 Public Access to the Sloan Digital Sky Server Data\u201d [Szalay2].<\/p>\n<\/div>\n<p><!-- .asset-content --><\/p>\n","protected":false},"excerpt":{"rendered":"<p>An earlier paper described the Sloan Digital Sky Survey\u2019s (SDSS) data management needs [Szalay1] by defining twenty database queries and twelve data visualization tasks that a good data management system should support. We built a database and interfaces to support both the query load and also a website for ad-hoc access. This paper reports on [&hellip;]<\/p>\n","protected":false},"featured_media":0,"template":"","meta":{"msr-url-field":"","msr-podcast-episode":"","msrModifiedDate":"","msrModifiedDateEnabled":false,"ep_exclude_from_search":false,"_classifai_error":"","msr-author-ordering":null,"msr_publishername":"Carleton Scientific","msr_publisher_other":"","msr_booktitle":"","msr_chapter":"","msr_edition":"Distributed Data and Structures 4: Records of the 4th International Meeting","msr_editors":"","msr_how_published":"","msr_isbn":"1-894145-13-5","msr_issue":"","msr_journal":"","msr_number":"MSR-TR-2002-01","msr_organization":"","msr_pages_string":"189-210","msr_page_range_start":"189","msr_page_range_end":"210","msr_series":"","msr_volume":"","msr_copyright":"","msr_conference_name":"","msr_doi":"","msr_arxiv_id":"","msr_s2_paper_id":"","msr_mag_id":"","msr_pubmed_id":"","msr_other_authors":"J. Gray, A.S. Szalay, A. Thakar, P. Kunszt, C. Stoughton, D. Slutz, J. 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