Table Oracle PLSQL

SQL>
SQL> -- Global Temporary tables
SQL>
SQL> CREATE GLOBAL TEMPORARY TABLE supplier
  2  (  supplier_id     numeric(10)     not null,
  3     supplier_name   varchar2(50)    not null,
  4     contact_name    varchar2(50)
  5  )
  6  /
SQL>
SQL> desc supplier;
 Name                                                                                                  Null?    Type
 ----------------------------------------------------------------------------------------------------- -------- --------------------------------------------------------------------
 SUPPLIER_ID                                                                                           NOT NULL NUMBER(10)
 SUPPLIER_NAME                                                                                         NOT NULL VARCHAR2(50)
 CONTACT_NAME                                                                                           VARCHAR2(50)
SQL>
SQL> drop table supplier;
SQL>
SQL>