调整目录结构+更新文档

zhzwang126 · Oct 7, 2021 · 2abc61c · 2abc61c
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diff --git a/Day36-40/code/HRS_create_and_init.sql b/Day36-40/code/HRS_create_and_init.sql
@@ -29,9 +29,9 @@ dno int comment '所在部门编号'
 );
 
 alter table tb_emp add constraint pk_emp_eno primary key (eno);
-alter table tb_emp add constraint uk_emp_ename unique (ename);
+-- alter table tb_emp add constraint uk_emp_ename unique (ename);
 -- alter table tb_emp add constraint fk_emp_mgr foreign key (mgr) references tb_emp (eno);
-alter table tb_emp add constraint fk_emp_dno foreign key (dno) references tb_dept (dno);
+-- alter table tb_emp add constraint fk_emp_dno foreign key (dno) references tb_dept (dno);
 
 insert into tb_emp values 
  (7800, '张三丰', '总裁', null, 9000, 1200, 20),

diff --git a/Day66-70/66.数据分析概述.md b/Day66-70/66.数据分析概述.md