如何通过DB link进行远程过程或函数调用

[Oracle@jumper oracle]$ sqlplus "/ as sysdba" SQL*Plus: Release 9.2.0.4.0 - ProdUCtion on Tue Nov 7 21:07:56 2006 Copyright (c) 1982, 2002, Oracle Corporation. All rights reserved.
Connected to:
Oracle9i Enterprise Edition Release 9.2.0.4.0 - Production
With the Partitioning option
JServer Release 9.2.0.4.0 - Production SQL> grant create public database link to eygle; Grant succeeded.
SQL> grant all on dbms_flashback to eygle; Grant succeeded.

SQL> connect eygle/eygle
Connected.
SQL> create public database link hsbill using 'hsbill'; Database link created. SQL> select db_link from dba_db_links; DB_LINK
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HSBILL SQL> select * from dual@hsbill; D
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