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½ñÌìµçÄÔÄûؼң¬Æô¶¯oracleÊý¾Ý¿âµÄ¼àÌý·þÎñʱ·¢ÏÖÎÞ·¨Æô¶¯¡£¸ø³öµÄ´íÎóÌáʾÊÇ˵£¬Õâ¸ö·þÎñÆô¶¯ÁËÓÖÍ£Ö¹ÁË£¬²»ÖªµÀÊÇΪʲô¡£ÒòΪÔÚѧУµÄʱºòÓÃÊÇûÓÐÎÊÌâµÄ¡£ÎÒÏëÓ¦¸ÃÊÇÒòΪipµÄÊÇÎÊÌâ¡£ÔÚÍøÉϲéÁËһϣºÄãÊÇ·ñÐÞ¸ÄÄãµÄ»úÆ÷Ãû»òIPµØÖ·£¬Èç¹ûÓÐÐ޸쬰ÑORACLE\ora81\network\admin\listener.oraÎļþÖеÄhostÐÞ¸ÄΪлúÆ÷Ãû»òIP¡£ÎÒÓõÄÊÇoracle 10g£¬listener.oraµÄĿ¼ÔÚD:\oracle\product\10.1.0\db_1\NETWORK\ADMINÏ¡£listener.oraÎļþµÄÄÚÈÝÈçÏ£º
# listener.ora Network Configuration File: d:\oracle\product\10.1.0\db_1\network\admin\listener.ora
# Generated by Oracle configuration tools.
SID_LIST_LISTENER =
  (SID_LIST =
    (SID_DESC =
      (SID_NAME = PLSExtProc)
      (ORACLE_HOME = d:\oracle\product\10.1.0\db_1)
      (PROGRAM = extproc)
    )
  )
LISTENER =
  (DESCRIPTION_LIST =
    (DESCRIPTION =
      (ADDRESS_LIST =
        (ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC))
      )
      (ADDRESS_LIST =
        (ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.0.5)(PORT = 1521))
      )
    )
  )
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# listener.ora Network Configuration File: d:\oracle\product\10.1.0\db_1\network\admin\listener.ora
# Generated by Oracle configuration tools.
SID_LIST_LISTENER =
  (SID_LIST =
    (SID_DESC =
      (SID_NAME = PLSExtProc)
      (ORACLE_HOME = d:\oracle\product\10.1.0\db_1)
      (PROGRAM = extproc)
    )
  )
LISTENER =
  (DESCRIPTION_LIST =
    (DESCRIPTION =
      (ADDRESS_LIST =
        (ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC))
   


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結¹û: 65
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CHR(N)
SELECT CHR(68) from DUAL;
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  NID int PRIMARY KEY,
  test1 varchar2(20),
  test2 varchar2(20),
  test3 ......
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