    class
    	COLUMNS [G -> DATABASE create default_create end]

    General
    	cluster: dbms-support
    	description: "Description of a database table column"

    Ancestors
    	TYPES [G -> DATABASE create default_create end]

    Queries
    	Boolean_type_database: INTEGER_32
    	buffer_length: INTEGER_32
    	Character_type_database: INTEGER_32
    	column_id: INTEGER_32
    	column_name: STRING_8
    	column_nulls: STRING_8
    	column_size: INTEGER_32
    	column_typename: STRING_8
    	creation_date: DATE_TIME
    	data_default: STRING_8
    	data_length: INTEGER_32
    	data_precision: INTEGER_32
    	data_scale: INTEGER_32
    	data_type: INTEGER_32
    	Date_type_database: INTEGER_32
    	db_spec: DATABASE
    	decimal_digits: INTEGER_32
    	default_length: INTEGER_32
    	density: INTEGER_32
    	duplicate: [like Current] COLUMNS [G]
    	eiffel_type: INTEGER_32
    	Float_type_database: INTEGER_32
    	high_value: INTEGER_32
    	Integer_type_database: INTEGER_32
    	length: INTEGER_32
    	low_value: INTEGER_32
    	nullable: INTEGER_32
    	num_distinct: INTEGER_32
    	num_prec_radix: INTEGER_32
    	owner: STRING_8
    	owner_id: INTEGER_32
    	precision: INTEGER_32
    	radix: INTEGER_32
    	Real_type_database: INTEGER_32
    	scale: INTEGER_32
    	status: INTEGER_32
    	String_type_database: INTEGER_32
    	table_cat: STRING_8
    	table_id: INTEGER_32
    	table_name: STRING_8
    	table_owner: STRING_8
    	table_qualifier: STRING_8
    	table_schem: STRING_8
    	table_type: STRING_8
    	type_name: STRING_8

    Commands
    	clear_all
    	set_all (col_id, dat_type, dat_len, sca, rad, prec, nulable, def_len, num_dist, low_val, high_val, dens, own_id, tb_id, stat: INTEGER_32; dat_def, qualifier, own, tab_name, tab_type, col_name, col_nulls, col_typename: STRING_8; creat_date: DATE_TIME)