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D:\oracle\product\10.2.0\db_1\NETWORK\ADMIN\tnsnames.ora
# tnsnames.ora Network Configuration File: D:\oracle\product\10.2.0\db_1\network\admin\tnsnames.ora
# Generated by Oracle configuration tools.
SQLCLUB =
  (DESCRIPTION =
    (ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.1.X)(PORT = 1521))
    (CONNECT_DATA =
      (SERVER = DEDICATED)
      (SERVICE_NAME = sqlclub.com)
    )
  )
aaa=
  (DESCRIPTION =
    (ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.1.X)(PORT = 1521))
    (CONNECT_DATA =
      (SERVER = DEDICATED)
      (SERVICE_NAME = aaa.com)
    )
  )
EXTPROC_CONNECTION_DATA =
  (DESCRIPTION =
    (ADDRESS_LIST =
      (ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC1))
    )
    (CONNECT_DATA =
      (SID = PLSExtProc)
      (PRESENTATION = RO)
    )
  )
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oracle raw device create tablespace

  
[root@vmfs sysconfig]# lvdisplay |grep db_d
  LV Name                /dev/db_v4/db_d_22
  LV Name                /dev/db_v4 ......

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ORCL190 =  //ºìÉ«²¿ÃÅΪÁ¬½Ó¼àÌýÃû×Ö
  (DESCRIPTION =
    (ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.1.190)(PORT = 1521))  //ºìÉ«²¿ÃÅΪ·þÎñÆ÷ËùÔÚIPµØÖ· 1521Ϊ¶Ë¿ÚºÅ
    (CONNECT_DATA ......
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