    class
    	EXT_INTERNAL

    Ancestors
    	BASIC_ROUTINES
    	INTERNAL
    	NUMERIC_NULL_VALUE

    Descendants
    	DATABASE_DATA [G -> DATABASE create default_create end]
    	DATABASE_REPOSITORY [reference G -> DATABASE create default_create end]
    	DB_SELECTION
    	EC_DESCRIPTOR
    	EC_PARSE
    	SQL_SCAN

    Clients
    	EXT_INTERNAL

    Suppliers
    	ARRAY [G]
    	BOOLEAN
    	BOOLEAN_REF
    	CHARACTER_8_REF
    	EXT_INTERNAL
    	INTEGER_32
    	INTEGER_32_REF
    	REAL_32
    	REAL_32_REF
    	REAL_64
    	REAL_64_REF
    	STRING_8