数据库第十次作业-视图【带源码】

目录

​​1.创建视图“view_info”,查询所有员工姓名、员工联系电话、车间地址、车间主任姓名、主任联系方式​​

​​2.查看“view_info”视图字段信息​​

​​3.创建视图“view_ chisel”,查询“Chisel”所在车间的所有员工姓名、员工联系电话、车间地址​​

​​4.查看库中所有表​​

​​5.创建视图“view_ standard”,查询生产出质量达标产品的产品编号、员工姓名、员工联系电话​​

​​6.查看“view_ standard”视图创建语句​​

​​7.创建视图“view_ product”,查询所有产品的产品编号、是否合格、员工号、员工姓名、员工联系方式、车间编号、车间地址​​

​​8.查看库中所有表​​

​​9.删除“view_ chisel”视图​​

​​10.创建视图“view_ leave”,查询存在离职员工的车间编号、车间主任、主任联系方式​​

​​11.查看库中所有表​​

1.创建视图“view_info”,查询所有员工姓名、员工联系电话、车间地址、车间主任姓名、主任联系方式

create view view_info as select wk.name,wk.phone,ws.address,ws.name wsn,ws.phone wsp from

    -> zhongjinlin_worker wk right join zhongjinlin_workshop ws on

    -> wk.shop_no = ws.no;

2.查看“view_info”视图字段信息

desc view_info;

3.创建视图“view_ chisel”,查询“Chisel”所在车间的所有员工姓名、员工联系电话、车间地址

create view view_chisel as select wk.name,wk.phone,ws.address from

    -> zhongjinlin_worker wk inner join zhongjinlin_workshop ws

    ->  on wk.shop_no = ws.no where shop_no = "WS1";

4.查看库中所有表

show tables;

5.创建视图“view_ standard”,查询生产出质量达标产品的产品编号、员工姓名、员工联系电话

create view view_standard as select no,name,phone from zhongjinlin_worker where

    -> is_onwork="1";

6.查看“view_ standard”视图创建语句

show create view view_standard\G;

7.创建视图“view_ product”,查询所有产品的产品编号、是否合格、员工号、员工姓名、员工联系方式、车间编号、车间地址

create view view_product as

    -> select a.no ab,a.is_qualified,b.no abc,b.name,b.phone,c.no,c.address

    -> from zhongjinling_product a inner join zhongjinlin_worker b

    -> on a.workno = b.no

    -> inner join zhongjinlin_workshop c

    -> on b.shop_no = c.no;

8.查看库中所有表

show tables;

9.删除“view_ chisel”视图

drop view view_chisel;

10.创建视图“view_ leave”,查询存在离职员工的车间编号、车间主任、主任联系方式

create view view_leave as

    -> select no,name,phone from zhongjinlin_workshop where no

    -> in (select shop_no from zhongjinlin_worker where is_onwork = "0");

11.查看库中所有表

show tables;