Oracle / PLSQL: TO_TIMESTAMP Function
This Oracle tutorial explains how to use the Oracle/PLSQL TO_TIMESTAMP function with syntax and examples.
Description
The Oracle/PLSQL TO_TIMESTAMP function converts a string to a timestamp.
Syntax
The syntax for the TO_TIMESTAMP function in Oracle/PLSQL is:
TO_TIMESTAMP( string1 [, format_mask] ['nlsparam'] )
Parameters or Arguments
- string1
- The string that will be converted to a timestamp.
- format_mask
Optional. This is the format that will be used to convert string1 to a timestamp. It can be one or a combination of the following values
Parameter Explanation YYYY 4-digit year MM Month (01-12; JAN = 01). MON Abbreviated name of month. MONTH Name of month, padded with blanks to length of 9 characters. DD Day of month (1-31). HH Hour of day (1-12). HH12 Hour of day (1-12). HH24 Hour of day (0-23). MI Minute (0-59). SS Second (0-59).
Returns
The TO_TIMESTAMP function returns a timestamp value.
Applies To
The TO_TIMESTAMP function can be used in the following versions of Oracle/PLSQL:
- Oracle 12c, Oracle 11g, Oracle 10g, Oracle 9i
Example
Let's look at some Oracle TO_TIMESTAMP function examples and explore how to use the TO_TIMESTAMP function in Oracle/PLSQL.
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.
Advertisements