From c19db22c09ce4aba9d7a29d52caa4eda0e89b20d Mon Sep 17 00:00:00 2001
From: xuxin <840198532@qq.com>
Date: Sun, 11 Oct 2026 15:24:03 +0800
Subject: [PATCH] =?UTF-8?q?javaEEday07-DQL-Select-=E6=8E=92=E5=BA=8F?=
 =?UTF-8?q?=E6=9F=A5=E8=AF=A2?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
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---
 mysql-day02-DQL.sql | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/mysql-day02-DQL.sql b/mysql-day02-DQL.sql
index 91dabc7..1899b57 100644
--- a/mysql-day02-DQL.sql
+++ b/mysql-day02-DQL.sql
@@ -127,3 +127,23 @@ select job,count(0) from tb_emp
 where entrydate <= '2015-01-01'
 group by job
 having count(0)>= 2;
+
+--  =================== 排序查询 ======================
+-- 1. 根据入职时间, 对员工进行升序排序  -- 排序条件
+select * from tb_emp order by entrydate asc ; -- 默认升序, asc可以省略的
+
+select * from tb_emp order by entrydate ;
+
+-- 2. 根据入职时间, 对员工进行降序排序
+select * from tb_emp order by entrydate desc;
+
+-- 3. 根据 入职时间 对公司的员工进行 升序排序 ， 入职时间相同 , 再按照 ID 进行降序排序
+select * from tb_emp order by entrydate asc,id desc;
+
+-- 练习 : 员工管理列表查询 , 根据最后操作时间, 进行倒序排序
+-- 条件 : name , gender , entrydate
+
+select * from tb_emp where name like '%张%'
+                       and gender = 1
+                       and entrydate between '2000-01-01' and '2010-01-01'
+order by update_time asc;
\ No newline at end of file