1) 安装oracle数据客户端
2)安装完了之后,找到oracle数据库的安装目录
创建tnsnames.ora文件,在文件中加入如下信息
ORCL =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = TCP)(HOST = localhost)(PORT = 1521))
)
(CONNECT_DATA =
(SERVER = DEDICATED)
(SERVICE_NAME = orcl)
)
)
3)打开plsql,就有数据库的连接信息了