VS2010 用OracleClient连接Oracle数据库
using System.Data.OracleClient;
String str = "Data Source=数据库名_服务器的IP地址;User ID=***;Password=******;Unicode=True";//定义一个字符串用来保存连接数据库的字符串
OracleConnection con = new OracleConnection(str);//定义数据库的字符串
OracleCommand cmd = con.CreateCommand();//定义连接数据库的命令
cmd.CommandText = "select * from student";//定义对数据库操作的SQL语句
con.Open();//打开连接
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