    class
    	DB_SELECTION

    Ancestors
    	DB_CONSTANT
    	DB_EXEC_USE
    	DB_EXPRESSION*
    	DB_STATUS_USE
    	EXT_INTERNAL

    Descendants
    	DB_DYN_SELECTION

    Clients
    	DATABASE_MANAGER [reference G -> DATABASE create default_create end]
    	DATABASE_PROC [G -> DATABASE create default_create end]
    	DATABASE_REPOSITORY [reference G -> DATABASE create default_create end]
    	DB_ACTION [G]
    	DB_SELECTION

    Suppliers
    	ACTION
    	ARRAYED_LIST [G]
    	BOOLEAN
    	DATABASE_SELECTION [G -> DATABASE create default_create end]
    	DB [reference G -> DATABASE create default_create end]
    	DB_RESULT
    	DB_SELECTION
    	DB_STATUS
    	FILE*
    	HANDLE
    	HASH_TABLE [G, H -> HASHABLE]
    	INTEGER_32
    	LIST* [G]
    	STRING_8