A property in
System-wide properties apply to an entire system, including all its databases and tables if applicable.
System-wide properties set programmatically have precedence over database-wide properties and system-wide properties set in the derby.properties file.
The derby.properties file
is an optional file that can be created to set properties at the system level
when the
A database-wide property is stored in a database and is valid for that specific database only.
For more information about scopes, precedence, and persistence, see