Purpose
TO_TIMESTAMP_TZ() converts a string to a value of the TIMESTAMP WITH TIME ZONE data type.
Syntax
TO_TIMESTAMP_TZ (char,[fmt],['nlsparam'])
Parameters
| Parameter | Description |
|---|---|
| char | A string of the CHAR, VARCHAR2, NCHAR, or NVARCHAR2 data type. |
| fmt | The format of char. This parameter is optional. If you do not specify fmt, char must be in the default format of the TIMESTAMP WITH TIME ZONE data type. |
| nlsparam | The custom formatting and parsing rules for date, time, and number values in the TO_TIMESTAMP_TZ() function. OceanBase Database currently supports nls_date_language, the language in which month and day names are returned, as nlsparam. The default value is AMERICA and cannot be modified. |
Return type
The return type is TIMESTAMP WITH TIME ZONE.
Examples
The following example converts the string 2021-11-11 11:11:11.11 to a value of the TIMESTAMP WITH TIME ZONE data type.
obclient> SELECT TO_TIMESTAMP_TZ ('2021-11-11 11:11:11.11', 'YYYY-MM-DD HH24:MI:SS.FF')
FROM DUAL;
+--------------------------------------------------------------------+
| TO_TIMESTAMP_TZ('2021-11-1111:11:11.11','YYYY-MM-DDHH24:MI:SS.FF') |
+--------------------------------------------------------------------+
| 11-NOV-21 11.11.11.110000000 AM +08:00 |
+--------------------------------------------------------------------+
1 row in set
