SQL Server Version and code name
Version Year Release name Code name Internal database version 1.0 (OS/2) 1989 SQL Server 1.0 (16-bit) Filipi – 1.1 (OS/2) 1990 SQL Server 1.1 (16-bit) Pietro – 4.2A (OS/2) 1992 SQL Server 4.2A (16-bit) – – 4.2B (OS/2) 1993 SQL Server 4.2B (16-bit) – – 4.21a (WinNT) 1993 SQL Server 4.21a SQLNT – 6 1995 …