Oracle Data Types - TIMESTAMP

Versions: Oracle 11g, 10g and 9i

Oracle - TIMESTAMP
Syntax	TIMESTAMP[(p)] [WITH [LOCAL] TIME ZONE]
Data	Date and time data (year, month, day, hours, minutes, seconds and fractional seconds) WITH TIME ZONE means that Oracle stores time zone offset WITH LOCAL TIME ZONE means that Oracle normalizes timestamp data according to the database server time zone, and does not store time zone offset
Parameters	p specifies the number of digits in the fractional part of seconds
Range	January 1, 4712 BC 00:00:00.000000000 to December 31, 9999 23:59:59.999999999, 0 ⇐ p ⇐ 9
Default	p is 6 (microseconds)
Version Differences	Oracle 9i - TIMESTAMP data type is introduced
Standards	ANSI SQL

Oracle TIMESTAMP - Equivalents in Other Databases

Database	Data Type and Conversion
SQL Server	DATETIME, January 01, 1753 00:00:00.000 to December 31, 9999 23:59:59.997 with accuracy 1/300 second DATETIME2 and DATETIMEOFFSET, January 01, 0001 00:00:00.0000000 to December 31, 9999 23:59:59.9999999 (100 nanoseconds accuracy) SMALLDATETIME, January 01, 1900 00:00 to June 06, 2079 11:59 (minute 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 SMALLDATETIME, January 01, 1900 00:00 to June 06, 2079 11:59 (minute accuracy)
Informix	DATETIME, January 01, 0001 00:00:00.00000 to December 31, 9999 11:59:59.99999 (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; TIME(p), 00:00:00 and 24:00:00

Related Data Types in Oracle

Data Types
Datetime	DATE
Intervals	INTERVAL YEAR(p) TO MONTH	INTERVAL DAY(p1) TO SECOND(p2)

All Data Types

Oracle

SQL Server

IBM DB2

MySQL

PostgreSQL

Sybase ASE

Sybase ASA

Informix DS

Teradata

HP Neoview

Interbase/Firebird

HiRDB

Ingres