    class
    	DB_EXEC_USE

    Ancestors
    	HANDLE_USE

    Descendants
    	DATABASE_CHANGE [G -> DATABASE create default_create end]
    	DATABASE_SELECTION [G -> DATABASE create default_create end]
    	DATABASE_STORE [reference G -> DATABASE create default_create end]
    	DB_CHANGE
    	DB_CONTROL
    	DB_PROC
    	DB_REPOSITORY
    	DB_SELECTION
    	DB_STORE

    Clients
    	DB_EXEC_USE

    Suppliers
    	BOOLEAN
    	DB_EXEC
    	DB_EXEC_USE
    	HANDLE