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java程序通过jdbc连接oracle数据库方法

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2016-06-07 15:58:011266browse

1. 赋予scott用户连接权限:Grant connect to scott; 2. 在Myeclipse中新建java项目导入jdbc包(classes12.jar): 右键项目 bulid path -〉add external archives 选择classes12.jar 3. 新建java文件, lianxi01.java import java.sql.Connection; import ja

1. 赋予scott用户连接权限:Grant connect to scott;

2. 在Myeclipse中新建java项目导入jdbc包(classes12.jar):

右键项目 bulid path -〉add external archives 选择classes12.jar

3. 新建java文件, lianxi01.java

import java.sql.Connection;

import java.sql.ResultSet;

import java.sql.SQLException;

import java.sql.Statement;

importoracle.jdbc.*;

importoracle.jdbc.driver.*;

publicclasslianxi01 {

publicstaticvoid main(String[] args)throws SQLException, ClassNotFoundException{

//TODO Auto-generated method stub

oracle.jdbc.OracleDriver.isDebug();

Class.forName("oracle.jdbc.driver.OracleDriver");

java.sql.DriverManager.registerDriver(new oracle.jdbc.driver.OracleDriver());

//

String url ="jdbc:oracle:thin:@100.100.100.20:1521:dbsid2";

String user="scott";

String password="tiger";

String sql="select table_name from user_tables";

String sql2="select * from dept";

//

Connection con=java.sql.DriverManager.getConnection(url, user, password);

Statement stmt=con.createStatement();

ResultSet rs=((java.sql.Statement) stmt).executeQuery(sql2);

while(rs.next()){

// String s=rs.getString(2);

System.out.println(rs.getString(1) +" " + rs.getString(2)+" "+ rs.getString(3));

}

}

}

4. 点击运行,即可进行数据库查询

\

5. 注: String url一行,@100.100.100.20:1521:dbsid2需要根据实际IP和服务名进行修改。

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