SQL> CREATE OR REPLACE PROCEDURE test(p1 in varchar2,p2 out varchar2  ) is2  BEGIN3    select p1||' PROCEDURE EXECUTED！' into p2 from dual ;4  end;5  /Procedure created

require 'dbi'db_read_str = 'BEGIN test(?, ?); END;'dbh = DBI.connect('DBI:OCI8:TNSDBNAME', 'username', 'passWord')sth_db = dbh.prepare(db_read_str)sth_db.bind_param(1, 'test:',''*50)  # allow for up to 50 charssth_db.bind_param(2, ' ' * 100)      # allow for up to 100 charssth_db.executestr = sth_db.func(:bind_value, 2)puts strdbh.disconnect

C:/>ruby -cw Call_proc_test.rbSyntax OKC:/>

C:/>ruby  Call_proc_test.rbtest: PROCEDURE EXECUTED！C:/>