FIXED_DATE

Property	Description
Parameter type	String
Syntax	`FIXED_DATE = YYYY-MM-DD-HH24:MI:SS` (or the default Oracle date format)
Default value	There is no default value.
Modifiable	`ALTER SYSTEM`
Basic	No

FIXED_DATE enables you to set a constant date that SYSDATE will always return instead of the current date. This parameter is useful primarily for testing. The value can be in the format shown above or in the default Oracle date format, without a time.