ASA Database Administration Guide
Database Options
Introduction to database options
If option-value is omitted, the specified option setting will be deleted from the database. If it was a personal option setting, the value reverts back to the PUBLIC setting. If a TEMPORARY option is deleted, the option setting reverts back to the permanent setting.
For example, the following statement resets the ANSI_INTEGER_OVERFLOW option to its default value:
SET OPTION ANSI_INTEGER_OVERFLOW =
For more information, see SET OPTION statement.