Version history of Microsoft SQL Server
| Server Name | Release Name | Code Name | Release Date |
| Microsoft SQL Server 2019 (RTM) | SQL Server 2019 (15.x) | Big Data Clusters | November 4, 2019 |
| Microsoft SQL Server 2017 (RTM) | SQL Server 2017 (14.x) | Machine Learning Services | October 2, 2017 |
| Microsoft SQL Server 2016 (RTM) | SQL Server 2016 (13.x) | Stretch Database Release | June 1, 2016 |
| Microsoft SQL Server 2014 (RTM) | SQL Server 2014 (12.x) | Hekaton | April 1, 2014 |
| Microsoft SQL Server 2012 (RTM) | SQL Server 2012 (11.x) | Denali | March 6, 2012 |
| Microsoft SQL Server 2008 R2 (RTM) | SQL Server 2008 R2 (10.5) | Kilimanjaro | April 21, 2010 |
| SQL Server 2008 | SQL Server 2008(10.0) | Katmai | August 6, 2008 |
| Microsoft SQL Server 2005 | SQL Server 2005(9.x) | Yukon | 7-Nov-05 |
| Microsoft SQL Server 2000 | Microsoft SQL Server 2000(8.00.194) | Shiloh | 7-Aug-00 |
| Microsoft SQL Server 7.0 | SQL Server 7.0(7.00.623) | Sphinx | 1/24/1998 |
| Microsoft SQL Server 6.5 | SQL Server 6.5(6.50.201) | Hydra | 15-Dec-95 |
| Microsoft SQL Server 6.0 | SQL Server 6.0(6.00.048) | SQL95 | 12/15/1996 |
| Microsoft SQL Server 4.2 | SQL Server 4.21a | NT-SQL | 7/7/1995 |
| Microsoft SQL Server 4.0 | SQL Server 4.2B (16-bit) | Asterix | 22-May-93 |
| Microsoft SQL Server 1.1 | SQL Server 1.1 (16-bit) | Pietro | 7-May-89 |
| Microsoft SQL Server 1.0 | SQL Server 1.1 (16-bit) | Filipi | Mar-89 |
