java操作mysql索引

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.SQLException;
import java.sql.Statement;

public class CreateIndexExample {
    public static void main(String[] args) {
        String url = "jdbc:mysql://localhost:3306/mydatabase";
        String user = "username";
        String password = "password";

        try (Connection conn = DriverManager.getConnection(url, user, password);
             Statement stmt = conn.createStatement()) {

            // 创建单列索引
            stmt.executeUpdate("CREATE INDEX idx_name ON mytable(name)");

            // 创建复合索引
            stmt.executeUpdate("CREATE INDEX idx_name_age ON mytable(name, age)");

            // 创建唯一索引
            stmt.executeUpdate("CREATE UNIQUE INDEX idx_unique_email ON mytable(email)");

            System.out.println("索引创建成功！");

        } catch (SQLException e) {
            e.printStackTrace();
        }
    }
}