PlSql链接Oracle数据库对tnsnames.ora文件的配置

1、打开tnsnames.ora文件的位置

　　D:\ora_product\11.2.0\dbhome_1\NETWORK\ADMIN

2、文件中写入

ORCL =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = TCP)(HOST = localhost)(PORT = 1521))
(CONNECT_DATA =
(SERVER = DEDICATED)
(SERVICE_NAME = orcl)
)
)

108_XRORCL =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.1.108)(PORT = 1521))
(CONNECT_DATA =
(SERVER = DEDICATED)
(SERVICE_NAME = XRORCL)
)
)