Has two uses:
This property creates valid
clear-text users and passwords within
When you create users with database-level properties, those users are available to the specified database only.
You set the property once for each user. To delete a user, set that user's password to null.
When you create users with system-level users, those users are available to all databases in the system.
You set the value of this system-wide property once for each user, so you can set it several times. To delete a user, remove that user from the file.
You can define this property in the usual ways-typically in the derby.properties file.
When a user name and its corresponding password are provided
in the DriverManager.getConnection call,
User names are SQL92Identifiers and can be delimited.
None.
Dynamic. The change takes effect
immediately. For information about dynamic changes to properties, see