数据库驱动
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java 连接mysql数据库 查询语句
“java,import java.sql.*;,public class Main {, public static void main(String[] args) throws SQLException {, Connection conn = DriverManager.getConnection(“jdbc:mysql://localhost:3306/mydatabase”, “username”, “password”);, Statement stmt = conn.createStatement();, ResultSet rs = stmt.executeQuery(“SELECT * FROM mytable”);, while (rs.next()) {, System.out.println(rs.getString(“column_name”));, }, rs.close();, stmt.close();, conn.close();, },},“
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如何实现Java连接数据库并进行查询操作?
Java连接数据库查询通常使用JDBC(Java Database Connectivity),通过加载数据库驱动、创建连接、执行SQL语句并处理结果集。