# SYSCS_UTIL.SYSCS_SET_USER_ACCESS system procedure

The `SYSCS_UTIL.SYSCS_SET_USER_ACCESS` system procedure sets the connection access permission for the user specified.

#### Syntax

    SYSCS_UTIL.SYSCS_SET_USER_ACCESS (USERNAME VARCHAR(128), CONNECTION_PERMISSION VARCHAR(128))

USERNAME
  An input argument of type VARCHAR(128) that specifies the user ID in the Derby database.

CONNECTION_PERMISSION
  Valid values for CONNECTION_PERMISSION are:
  fullAccess
    Adds the user to the list of users with full access to the database. The value for the database property is derby.database.fullAccessUsers.
  readOnlyAccess
    Adds the user to the list of users with read-only access to the database. The value for the database property is derby.database.readOnlyAccessUsers.
  null
    Removes the user from the list of permissions, reverting the user to the default permission. You must specify `null` without the quotation marks.

#### Example

    CALL SYSCS_UTIL.SYSCS_SET_USER_ACCESS ('BRUNNER', 'readOnlyAccess')

To remove the user from the list of permissions, you specify the `null` value without the quotation marks. For example:

    CALL SYSCS_UTIL.SYSCS_SET_USER_ACCESS ('ISABEL', null)

Parent topic: Built-in system procedures