Home›Query Language›Popularity BandBrowse ByPopularity BandFactsPopularity BandSourcesComments (0)Reader Challenges (0)FactsComparisonEra of EmergenceWell-attested1970 CE 1Popularity BandTop 50Popularity Band1 entrySources1. Wikipedia: SQLtier 2WikipediaSQL, History sectionQuote, SQL, History sectionThe model was described in his influential 1970 paper, "A Relational Model of Data for Large Shared Data Banks".View the SourceComments (0)No comments yet. Be the first to share a thought.Sign in to join the discussion.Reader Challenges (0)No disputes yet. Spotted an error or a better source? Open the first one.Sign in to dispute this or suggest a correction.