摘要: package cns; public class person { String name="无名"; String sex="man"; //无参构造 public person(){ name="山姆"; sex="男"; System.out.println("执行构造方法"); } //一 阅读全文
posted @ 2019-10-08 19:40 把孤独〃喂饱り 阅读(205) 评论(0) 推荐(1)
摘要: SELECT OrderID FROM orders ORDER BY OrderDate DESC LIMIT 2;SELECT OrderID FROM (SELECT OrderID FROM orders ORDER BY OrderDate DESC LIMIT 2)as x;SELECT 阅读全文
posted @ 2019-10-08 19:37 把孤独〃喂饱り 阅读(784) 评论(0) 推荐(0)
摘要: /* Navicat Premium Data Transfer Source Server : rootto Source Server Type : MySQL Source Server Version : 50562 Source Host : localhost:3306 Source S 阅读全文
posted @ 2019-10-08 19:36 把孤独〃喂饱り 阅读(742) 评论(0) 推荐(0)