SQL Server Data Types - DATETIME2

Versions: SQL Server 2008

SQL Server - DATETIME2
Syntax	DATETIME2[(p)]
Data	Date and time data (year, month, day, hours, minutes, seconds and fractional seconds)
Parameters	p is the number of digits in the fractional part of second, 0 ⇐ p ⇐ 7
Default	p is 7 (100 nanoseconds)
Range	January 01, 0001 00:00:00.0000000 to December 31, 9999 11:59:59.9999999 (100 nanoseconds accuracy)
Version Differences	DATETIME2 is available since SQL Server 2008
Storage Size	6-8 bytes depending on precision
Standards	SQL Server Extension

SQL Server DATETIME2 - Equivalents in Other Databases

Database	Data Type and Conversion
Oracle	TIMESTAMP(p), January 1, 4712 BC 00:00:00.000000000 to December 31, 9999 23:59:59.999999999 (nanoseconds accuracy)
MySQL	DATETIME, January 01, 1000 00:00:00 to December 31, 9999 23:59:59 (seconds accuracy)
PostgreSQL	TIMESTAMP(p), January 01, 4713 BC 00:00:00:000000 and December 31, 5874897 23:59:59:999999 (microseconds accuracy)
Sybase ASE	DATETIME, January 01, 1753 12:00:00.000 AM to December 31, 9999 11:59:59.999 PM with accuracy 1/300 second
Informix	DATETIME, January 01, 0001 12:00:00.00000 AM to December 31, 9999 11:59:59.99999 PM (with 10 microseconds accuracy)
Teradata	TIMESTAMP(p), January 01, 0001 00:00:00.000 to December 31, 9999 23:59:61.999999 (microseconds accuracy)
HP Neoview	TIMESTAMP(p), January 01, 0001 00:00:00.000000 to December 31, 9999 23:59:59.999999 (microseconds accuracy)
Ingres	TIMESTAMP(p), 0001-01-01 00:00:00 to 9999-12-31 24:00:00

Related Data Types in SQL Server

Data Types
Datetime	DATE	TIME	DATETIME	DATETIMEOFFSET	SMALLDATETIME

All Data Types

Oracle

SQL Server

IBM DB2

MySQL

PostgreSQL

Sybase ASE

Sybase ASA

Informix DS

Teradata

HP Neoview

Interbase/Firebird

HiRDB

Ingres