class
     DB_TUPLE

General
     cluster: eiffelstore.interface
     create: copy, make

Ancestors
     DB_RESULT

Queries
     column_name (index: INTEGER): STRING
     count: INTEGER
     data: DB_DATA_SQL
     is_empty: BOOLEAN
     item (index: INTEGER): ANY
     map_table_to_create: BOOLEAN

Commands
     copy (other: DB_RESULT)
     fill_in
     make