Friday, January 11, 2013

To_Timestamp Function


In Oracle/PLSQL, the to_timestamp function converts a string to a timestamp.

Syntax

The syntax for the to_timestamp function is:
to_timestamp( string1, [ format_mask ] [ 'nlsparam' ] )
string1 is the string that will be converted to a timestamp.
format_mask is optional. This is the format that will be used to convert string1 to a timestamp.
The following is a list of options for the format_mask parameter. These parameters can be used in many combinations.
ParameterExplanation
YYYY4-digit year
MMMonth (01-12; JAN = 01).
MONAbbreviated name of month.
MONTHName of month, padded with blanks to length of 9 characters.
DDDay of month (1-31).
HHHour of day (1-12).
HH12Hour of day (1-12).
HH24Hour of day (0-23).
MIMinute (0-59).
SSSecond (0-59).

Applies To

  • Oracle 11g, Oracle 10g, Oracle 9i

For Example

to_timestamp('2003/12/13 10:13:18', 'YYYY/MM/DD HH:MI:SS')
would return '13-DEC-03 10.13.18.000000000 AM' as a timestamp value.
to_timestamp('2003/DEC/13 10:13:18', 'YYYY/MON/DD HH:MI:SS')
would also return '13-DEC-03 10.13.18.000000000 AM' as a timestamp value.