public class PostgreSQLExample { public static void main(String[] args) { String url = "jdbc:postgresql://your_host:your_port/your_database"; String user = "your_user"; String password = "your_password"; try (C
importjava.sql.Connection;importjava.sql.DatabaseMetaData;importjava.sql.DriverManager;importjava.sql.ResultSet;importjava.sql.SQLException;publicclassPostgreSQLExample{publicstaticvoidmain(String[]args){StringjdbcURL="jdbc:postgresql://localhost:5432/mydatabase";Stringusername="myusername";Stringpassword="m...
importjava.sql.*;publicclassPostgreSQLJDBC{publicstaticvoidmain(Stringargs[]){Connectionconn=null;Statementstmt=null;try{// 加载 PostgreSQL 驱动类Class.forName("org.postgresql.Driver");// 创建数据库连接Stringurl="jdbc:postgresql://localhost:5432/School";Stringuser="postgres";Stringpassword="123456";...
importjava.io.*;importjava.sql.*;publicclassFirstDemo {privateConnection conn=null;/** get connection*/publicvoidgetConn(){ String url="jdbc:postgresql://localhost/exampledb", user="dbuser", password="dbuser";try{ conn=DriverManager.getConnection(url, user, password); System.out.println("The...
The syntax for the connection url is: jdbc:postgresql://host1:port1,host2:port2/database The simple connection fail-over is useful when running against a high availability postgres installation that has identical data on each node. For example streaming replication postgres or postgres-xc cluster...
url=jdbc:postgresql://192.168.56.104:3306/hrdb user=tony password=tony 其中,url 中指定了数据库的 IP 地址、端口以及目标数据库;user 和 password 分别为连接数据库的用户和密码。 然后将项目默认创建的 App.java 文件修改如下: package org.example; // 导入 JDBC 和 IO 包 import java.io.FileInputStrea...
("org.postgresql.Driver");dataSource.setUrl("jdbc:postgresql://localhost:5432/yourdbname");dataSource.setUsername("yourusername");dataSource.setPassword("yourpassword");try(Connectionconnection=dataSource.getConnection()){Stringsql="SELECT * FROM users";try(PreparedStatementpreparedStatement=connection....
importjava.sql.*;publicclassPostgresConnectionExample {publicstaticvoidmain(String[] args)throwsSQLException {//定义数据库连接信息String url = "jdbc:postgresql://localhost:5432/mydatabase"; String username= "your_username"; String password= "your_password";try(Connection conn =DriverManager.getConnectio...
For more information, please see http://www.postgresql.org/docs/7.4/static/jdbc.html 3. Here is an example:import java.sql.*;public class testdb { public static void main(String[] args) { String usr ="yding";String pwd ="###";String url ="jdbc:postgresql://155.246.89.29:5432...
jdbc:postgresql:database jdbc:postgresql://host/database jdbc:postgresql://host:port/database The parameters have the following meanings: host The host name of the server. Defaults tolocalhost. To specify an IPv6 address your must enclose thehostparameter with square brackets, for example: ...