MySQL 10th job - View

Create view “view_info”, Query the names of all employees 、 Employee contact number 、 Workshop address 、 Name of workshop director 、 Contact information of the director
create view view_info as select z.names,z.phones,c.address,c.name,c.phone from lingjinzheng_workshop c left join lingjinzheng_worker z on c.no=z.shop_no;

see “view_info” View field information
select * from view_info;
 

Create view “view_ chisel”, Inquire about “Chisel” Names of all employees in the workshop 、 Employee contact number 、 Workshop address
create view view_chisel as select z.names,z.phones,c.address from lingjinzheng_workshop c left join lingjinzheng_worker z on c.no=z.shop_no where names like"Chisel";

View all the tables in the library
show tables; 

Create view “view_ standard”, Query the product number of products with qualified quality 、 Employee name 、 Employee contact number ‘
create view view_standard as select cp.nos2,z.names,z.phones from lingjinzheng_worker z left join lingjinzheng_product cp on z.nos=cp.work_no ;

see “view_ standard” View creation statement
show create view view_standard\G;
 

Create view “view_ product”, Check the product number of all products 、 Qualified or not 、 Employee number 、 Employee name 、 Employee contact information 、 Workshop number 、 Workshop address
create view view_product as select cp.nos2,cp.IS_QUALIFIED,z.nos,z.names,z.phones,c.no,c.address from(lingjinzheng_workshop c left join lingjinzheng_worker z on c.no=z.shop_no)left join lingjinzheng_product cp on z.nos=cp.work_no;

 

View all the tables in the library
show tables;
 

Delete “view_ chisel” View
drop view view_chisel; 

Create view “view_ leave”, Query the workshop number of resigned employees 、 Workshop director 、 Contact information of the director
create view view_leave as select cp.NOs2,c.name,c.phone from(lingjinzheng_workshop c left join lingjinzheng_worker z on c.no=z.shop_no)left join lingjinzheng_product cp on z.nos=cp.work_no where z.IS_ONWORK like"0";

View all the tables in the library
show tables;