drop table employee;
drop table department;
drop table address;
drop table comp_key_employee;
drop table comp_key_department;
drop table comp_key_address;

drop table binary_double_table;
drop table binary_float_table;
drop table blob_table;
drop table char_table;
drop table clob_table;
drop table date_table;
drop table float_table;
drop table long_table;
drop table long_raw_table;
drop table nchar_table;
drop table number_table;
drop table numeric_table;
drop table decimal_table;
drop table nvarchar2_table;
drop table raw_table;
drop table timestamp_table;
drop table varchar2_table;
drop table テーブル;

DROP FUNCTION FUNC_SIMPLETYPE_PARAM;