Oracle数据库文件：listener.ora和tnsnames.ora范例

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安装好 Oracle 数据库后，总是需要配置一些文件。
listener.ora 和 tnsnames.ora 的文件地址：E:\oracle\product\10.2.0\db_1\network\ADMIN

listener.ora

//SinoCredit-PC 是我的计算机名称，这样配置，可以直接用 127.0.0.1 访问本地啦。
//orcl 是我的数据库安装时，填写的实例名

# listener.ora Network Configuration File: E:\oracle\product\10.2.0\db_1\NETWORK\ADMIN\listener.ora
# Generated by Oracle configuration tools.

SID_LIST_LISTENER =
(SID_LIST =
(SID_DESC =
(SID_NAME = orcl)
(ORACLE_HOME = E:\oracle\product\10.2.0\db_1)
(GLOBAL_DBNAME= orcl)
)
(SID_DESC =
(SID_NAME = PLSExtProc)
(ORACLE_HOME = E:\oracle\product\10.2.0\db_1)
(PROGRAM = extproc)
)
)

LISTENER =
(DESCRIPTION_LIST =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = TCP)(HOST = SinoCredit-PC)(PORT = 1521))
(ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC0))
)
)

tnsnames.ora

//SERVER_ORCL 配置的是我公司服务器数据库
//ORCL 配置的是我自己电脑上的数据库
# tnsnames.ora Network Configuration File: E:\oracle\product\10.2.0\db_1\NETWORK\ADMIN\tnsnames.ora
# Generated by Oracle configuration tools.

SERVER_ORCL =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = TCP)(HOST = 211.88.1.111)(PORT = 1522))
)
(CONNECT_DATA =
(SERVICE_NAME = orcl)
)
)

ORCL =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = TCP)(HOST = 127.0.0.1)(PORT = 1521))
)
(CONNECT_DATA =
(SID = ORCL)
(SERVICE_NAME = orcl)
)
)

EXTPROC_CONNECTION_DATA =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC1))
)
(CONNECT_DATA =
(SID = PLSExtProc)
(PRESENTATION = RO)
)
)

以上配置完了，就可以用 plsql 来访问数据库了，下面看例子：
访问本地：

Oracle 数据库文件：listener.ora 和 tnsnames.ora 范例