Standards and compliance

SQL92 – Compliance level: Transact-SQL provides the smallint, int, numeric, decimal, float, double precision, real, char, and varchar SQL92 datatypes. The tinyint, binary, varbinary, image, bit, datetime, smalldatetime, money, smallmoney, nchar, nvarchar,unichar, univarchar, sysname, text, timestamp, and user-defined datatypes are Transact-SQL extensions.