Timeline of SQL Databases

1. 1974
   • The first specification for SQL (originally SEQUEL) is published by IBM in 1974.
2. 1977
   • IBM released System R.
3. 1979
   • Oracle (originally Relational Software) released Oracle V2 for DEC's VAX.
4. 1981
   • IBM released SQL/DS for its mainframes.
5. 1985
   • Informix released INFORMIX-SQL for UNIX.
6. 1987
   • Sybase released Sybase SQL Server for UNIX.
7. 1988
   • Sybase, Ashton-Tate and Microsoft partnered to develop SQL Server for OS/2.
8. 1993
   • Microsoft began development of Microsoft SQL Server independently of Sybase.
9. 1994
   • Hughes Technologies in Australia released free and open source Mini SQL.
   • The University of California at Berkeley released a version of Postgres with a SQL interpreter, also free and open source.
10. 1996
    • MySQL AB in Sweden released free and open source MySQL.
11. 2001
    • IBM acquires the rights to Informix's brand, SQL code and customers.

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