A database copy has disconnected as a result of a connection problem or a failed task.
|databasecopy||The disconnected database copy.|
|is_primary||1 if this is the primary database copy.|
|is_mirror||1 if this is the mirror database copy.|
|is_readonly||1 if this is a read-only database copy.|
|is_connection_problem||1 if this is a connection problem.|
|is_failed||1 if this is the result of a failed task.|