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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
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