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+##  医院
+
+
+
+```
+
+/*==============================================================*/
+/* DBMS name:      MySQL 5.0                                    */
+/* Created on:     2023/9/13 21:56:43                           */
+/*==============================================================*/
+
+
+drop table if exists doctor;
+
+drop table if exists drug;
+
+drop table if exists hospital;
+
+drop table if exists pharmacy;
+
+drop table if exists subject;
+
+drop table if exists 拿药;
+
+drop table if exists 病人;
+
+drop table if exists 诊断;
+
+drop table if exists 诊断表;
+
+/*==============================================================*/
+/* Table: doctor                                                */
+/*==============================================================*/
+create table doctor
+(
+   ho_id                int not null,
+   ho_name              char(255) not null,
+   Attribute_9          char(10),
+   primary key (ho_id)
+);
+
+/*==============================================================*/
+/* Table: drug                                                  */
+/*==============================================================*/
+create table drug
+(
+   drug_names           char(255) not null,
+   dug_id               int not null,
+   phar_id              int,
+   primary key (dug_id)
+);
+
+/*==============================================================*/
+/* Table: hospital                                              */
+/*==============================================================*/
+create table hospital
+(
+   hos_name             char(255) not null,
+   hos_id               char(255) not null,
+   sub_id               int not null,
+   primary key (hos_id)
+);
+
+/*==============================================================*/
+/* Table: pharmacy                                              */
+/*==============================================================*/
+create table pharmacy
+(
+   phar_id              int not null,
+   hos_id               char(255) not null,
+   phar_name            char(255) not null,
+   primary key (phar_id)
+);
+
+/*==============================================================*/
+/* Table: subject                                               */
+/*==============================================================*/
+create table subject
+(
+   sub_id               int not null,
+   ho_id                int not null,
+   sub_name             char(255) not null,
+   primary key (sub_id)
+);
+
+/*==============================================================*/
+/* Table: 拿药                                                    */
+/*==============================================================*/
+create table 拿药
+(
+   diagnostic_list      int not null,
+   pat_id               int not null,
+   primary key (diagnostic_list, pat_id)
+);
+
+/*==============================================================*/
+/* Table: 病人                                                    */
+/*==============================================================*/
+create table 病人
+(
+   pat_id               int not null,
+   pat_name             char(255) not null,
+   pat_sex              char(10) not null,
+   primary key (pat_id)
+);
+
+/*==============================================================*/
+/* Table: 诊断                                                    */
+/*==============================================================*/
+create table 诊断
+(
+   pat_id               int not null,
+   ho_id                int not null,
+   primary key (pat_id, ho_id)
+);
+
+/*==============================================================*/
+/* Table: 诊断表                                                   */
+/*==============================================================*/
+create table 诊断表
+(
+   diagnostic_list      int not null,
+   dug_id               int not null,
+   "Diagnostic table_content" char(255) not null,
+   primary key (diagnostic_list)
+);
+
+alter table drug add constraint FK_Relationship_5 foreign key (phar_id)
+      references pharmacy (phar_id) on delete restrict on update restrict;
+
+alter table hospital add constraint FK_Relationship_10 foreign key (sub_id)
+      references subject (sub_id) on delete restrict on update restrict;
+
+alter table pharmacy add constraint FK_Relationship_4 foreign key (hos_id)
+      references hospital (hos_id) on delete restrict on update restrict;
+
+alter table subject add constraint FK_Relationship_9 foreign key (ho_id)
+      references doctor (ho_id) on delete restrict on update restrict;
+
+alter table 拿药 add constraint FK_拿药 foreign key (diagnostic_list)
+      references 诊断表 (diagnostic_list) on delete restrict on update restrict;
+
+alter table 拿药 add constraint FK_拿药2 foreign key (pat_id)
+      references 病人 (pat_id) on delete restrict on update restrict;
+
+alter table 诊断 add constraint FK_诊断 foreign key (pat_id)
+      references 病人 (pat_id) on delete restrict on update restrict;
+
+alter table 诊断 add constraint FK_诊断2 foreign key (ho_id)
+      references doctor (ho_id) on delete restrict on update restrict;
+
+alter table 诊断表 add constraint FK_Relationship_7 foreign key (dug_id)
+      references drug (dug_id) on delete restrict on update restrict;
+
+
+
+```
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