SQL (Spanish Wikipedia)

Analysis of information sources in references of the Wikipedia article "SQL" in Spanish language version.

refsWebsite
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low place
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about.com

databases.about.com

  • Chapple, Mike. «SQL Fundamentals». En About.com, ed. Databases. Archivado desde el original el 22 de febrero de 2009. Consultado el 17 de octubre de 2015. 

acm.org

archive.org

arstechnica.com

oracle.com

docs.oracle.com

postgresql.org

  • «About PostgreSQL». PostgreSQL 9.1 official website. PostgreSQL Global Development Group. 2012. Consultado el 8 de junio de 2016. «PostgreSQL prides itself in standards compliance. Its SQL implementation strongly conforms to the ANSI-SQL:2008 standard». 

web.archive.org