PLSQL 配置连接ORACLE数据库

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配置环境变量 TNS_ADMIN D:\OracleClient

在改目录下配置链接文件 TNSNAMES.ORA 

# tnsnames.ora Network Configuration File: F:\oracle\product\10.2.0\client_1\network\admin\tnsnames.ora

# Generated by Oracle configuration tools.



ORACLR_CONNECTION_DATA =

  (DESCRIPTION =

    (ADDRESS_LIST =

      (ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC1521))

    )

    (CONNECT_DATA =

      (SID = CLRExtProc)

      (PRESENTATION = RO)

    )

  )



LISTENER_ORCL =

  (ADDRESS = (PROTOCOL = TCP)(HOST = 172.16.100.117)(PORT = 1521))





EASYCONC =

  (DESCRIPTION =

    (ADDRESS_LIST =

      (ADDRESS = (PROTOCOL = TCP)(HOST = 172.16.100.117)(PORT = 1521))

    )

    (CONNECT_DATA =

      (SERVICE_NAME = easyconc)

    )

  )



EXTPROC_CONNECTION_DATA =

  (DESCRIPTION =

    (ADDRESS_LIST =

      (ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC0))

    )

    (CONNECT_DATA =

      (SID = PLSExtProc)

      (PRESENTATION = RO)

    )

  )



ZHIYUANZHE =

  (DESCRIPTION =

    (ADDRESS_LIST =

      (ADDRESS = (PROTOCOL = TCP)(HOST = 211.137.44.38)(PORT = 1523))

    )

    (CONNECT_DATA =

      (SERVICE_NAME = ZHIYUANZHE)

    )

  )



ShenHe=(DESCRIPTION =

    (ADDRESS_LIST =

      (ADDRESS = (PROTOCOL = TCP)(HOST = 127.0.0.1)(PORT = 1521))

    )

    (CONNECT_DATA =

      (SERVICE_NAME = orcl)

    )

  )

ORCL =

  (DESCRIPTION =

    (ADDRESS_LIST =

      (ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.1.24)(PORT = 1521))

    )

    (CONNECT_DATA =

      (SERVICE_NAME = ORCL)

    )

  )



hptax =

  (DESCRIPTION =

    (ADDRESS_LIST =

      (ADDRESS = (PROTOCOL = TCP)(HOST = 136.16.38.120)(PORT = 1521))

    )

    (CONNECT_DATA =

      (SERVICE_NAME = syzs)

    )

  )



VSTAR =

  (DESCRIPTION =

    (ADDRESS_LIST =

      (ADDRESS = (PROTOCOL = TCP)(HOST = 136.20.16.62)(PORT = 1521))

    )

    (CONNECT_DATA =

      (SERVICE_NAME = VSTAR)

    )

  )

　　

解决乱码问题：配置环境变量 NLS_LANG   SIMPLIFIED CHINESE_CHINA.ZHS16GBK