Oracle DBTIMEZONE function

How to get the value of the Database time zone?

The Oracle DBTIMEZONE function retrieves the value of the database time zone. It returns either a time zone offset (in the format '[+|-]TZH ') or a time zone region name, depending on how the database time zone was specified during the most recent CREATE DATABASE or ALTER DATABASE statement.

Uses of Oracle DBTIMEZONE Function

• Database Configuration: Determine the current time zone setting of the database.


• Time Zone Management: Assist in managing and adjusting database operations according to the database's time zone.


• Consistency Checking: Ensure that applications and queries align with the database time zone.


• Data Integration: Facilitate accurate data exchange between systems with different time zones.


• Audit and Compliance: Verify the database's time zone setting for compliance with regulations and policies.

Syntax:

DBTIMEZONE

Parameters:

No parameters or arguments.

Return type:

The return type is a time zone offset (a character type in the format '[+|-]TZH:TZM') or a time zone region name. It depends on how the user specified the database time zone value in the most recent CREATE DATABASE or ALTER DATABASE statement.

Pictorial Presentation

Example: Oracle DBTIMEZONE function

The following statement assumes that the database time zone is set to UTC time zone:

SQL> SELECT DBTIMEZONE FROM DUAL;

Sample Output:

DBTIMEZONE
-------------
+00:00

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