1992 SQL Standard

      Jim Melton and Alan R. Simon
      Understanding the New SQL: A Complete Guide
      Morgan-Kaufmann Publishers, San Mateo, CA 94403 U.S.A.
      October 1992

      C.J. Date with Hugh Darwen
      A Guide to the SQL Standard, 3rd Edition
      Addison-Wesley Publishing Company, Reading, MA 01867 U.S. A.
      October 1992

      Stephen Cannan and Gerard Otten
      SQL - The Standard Handbook
      McGraw-Hill Book Company Europe , Berkshire, SL6 2QL, England
      November 1992 

      Martin Gruber, 
      Technical Editor: Joe Celko
      SQL Instant Reference
      SYBEX Inc.
      2021 Challenger Drive
      Alameda, CA 94501
      1993