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Date: Thu, 14 Sep 2023 09:41:00 +0800
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+![](https://s2.loli.net/2023/09/14/Og46FvnekJRrqL8.png)
+
+---------------------------------
+
+``` mysql
+/*==============================================================*/
+/* DBMS name:      MySQL 5.0                                    */
+/* Created on:     2023/9/13 23:04:41                           */
+/*==============================================================*/
+
+create database yy_db charset utf8;
+use yy_db;
+drop table if exists department;
+
+drop table if exists medicine;
+
+drop table if exists patients;
+
+drop table if exists registered;
+
+drop table if exists staff;
+
+drop table if exists treatmen_trecords;
+
+/*==============================================================*/
+/* Table: department                                            */
+/*==============================================================*/
+create table department
+(
+   department_id        int not null auto_increment,
+   department_name      varchar(10) not null,
+   department_directort varchar(10) not null,
+   primary key (department_id)
+);
+
+/*==============================================================*/
+/* Table: medicine                                              */
+/*==============================================================*/
+create table medicine
+(
+   medicine_id          int not null auto_increment,
+   medicine_name        varchar(10) not null,
+   medicine_type        varchar(10) not null,
+   medicine_price       float(8,2) not null,
+   medicine_stock       int not null,
+   primary key (medicine_id)
+);
+
+/*==============================================================*/
+/* Table: patients                                              */
+/*==============================================================*/
+create table patients
+(
+   patients_id          int not null auto_increment,
+   patients_name        char(10) not null,
+   patients_gender      char(1),
+   patients_age         int not null,
+   patients_contact     varchar(11),
+   primary key (patients_id)
+);
+
+/*==============================================================*/
+/* Table: registered                                            */
+/*==============================================================*/
+create table registered
+(
+   registered_id                 int not null auto_increment,
+   patients_id          int,
+   staff_id             int,
+   registered_time      datetime not null,
+   primary key ( registered_id)
+);
+
+
+/*==============================================================*/
+/* Table: staff                                                 */
+/*==============================================================*/
+create table staff
+(
+   staff_id             int not null auto_increment,
+   department_id        int,
+   staff_name           varchar(10) not null,
+   staff_gender         char(1) not null,
+   staff_contact        char(11) not null,
+   staff_speciality     varchar(10),
+   primary key (staff_id)
+);
+
+/*==============================================================*/
+/* Table: treatmen_trecords                                     */
+/*==============================================================*/
+create table treatmen_trecords
+(
+   treatmen_trecords_id int not null auto_increment,
+   staff_id             int,
+   patients_id          int,
+   medicine_id          int,
+   treatmen_trecords_time datetime not null,
+   treatmen_trecords_diagnosis text not null,
+   treatmen_trecords_plan text not null,
+   primary key (treatmen_trecords_id)
+);
+
+alter table registered add constraint FK_patients_registered foreign key (patients_id)
+      references patients (patients_id) on delete restrict on update restrict;
+
+alter table registered add constraint FK_staff_registered foreign key (staff_id)
+      references staff (staff_id) on delete restrict on update restrict;
+
+alter table staff add constraint FK_department_staff foreign key (department_id)
+      references department (department_id) on delete restrict on update restrict;
+
+alter table treatmen_trecords add constraint FK_patients_treatmen foreign key (patients_id)
+      references patients (patients_id) on delete restrict on update restrict;
+
+alter table treatmen_trecords add constraint FK_staff_treatmen foreign key (staff_id)
+      references staff (staff_id) on delete restrict on update restrict;
+
+alter table treatmen_trecords add constraint FK_take foreign key (medicine_id)
+      references medicine (medicine_id) on delete restrict on update restrict;
+
+
+```
+
-- 
Gitee