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+# 作业 9/12
+
+
+
+```MYSQL
+/*==============================================================*/
+/* DBMS name:      MySQL 5.0                                    */
+/* Created on:     2023-09-12 11:33:36                          */
+/*==============================================================*/
+CREATE DATABASE film charset utf8;
+use film;
+
+drop table if exists Commenttype;
+
+drop table if exists `comment`;
+
+drop table if exists commentssection;
+
+drop table if exists country;
+
+drop table if exists `language`;
+
+drop table if exists movie;
+
+drop table if exists movieteam;
+
+drop table if exists movietypes;
+
+/*==============================================================*/
+/* Table: Commenttype                                           */
+/*==============================================================*/
+create table Commenttype
+(
+   Commenttype_id       int not null auto_increment,
+   comment_id           int not null,
+   Commenttype_name     varchar(10) not null,
+   primary key (Commenttype_id)
+);
+
+/*==============================================================*/
+/* Table: comment                                               */
+/*==============================================================*/
+create table `comment`
+(
+   comment_id           int not null auto_increment,
+   comment_user         varchar(10) not null,
+   comment_time         datetime not null,
+   comment_content      varchar(255) not null,
+   primary key (comment_id)
+);
+
+/*==============================================================*/
+/* Table: commentssection                                       */
+/*==============================================================*/
+create table commentssection
+(
+   commentssection_id   int not null auto_increment,
+   movie_id             int not null,
+   commentssection_theme varchar(20) not null,
+   commentssection_source varchar(5) not null,
+   commentssection_time datetime not null,
+   primary key (commentssection_id)
+);
+
+/*==============================================================*/
+/* Table: country                                               */
+/*==============================================================*/
+create table country
+(
+   country_id           int not null auto_increment,
+   country_name         varchar(10) not null,
+   primary key (country_id)
+);
+
+/*==============================================================*/
+/* Table: language                                              */
+/*==============================================================*/
+create table language
+(
+   language_id          int not null auto_increment,
+   language             varchar(10) not null,
+   primary key (language_id)
+);
+
+/*==============================================================*/
+/* Table: movie                                                 */
+/*==============================================================*/
+create table movie
+(
+   movie_id             int not null auto_increment,
+   movietypes_id        int not null,
+   country_id           int not null,
+   comment_id           int not null,
+   language_id          int not null,
+   movie_name           varchar(20) not null,
+   movie_time           int not null,
+   movie_alias          varchar(20) not null,
+   movie_data           datetime not null,
+   TMDB                 varchar(20) not null,
+   movie_intro          varchar(255) not null,
+   movie_awards         varchar(100) not null,
+   movie_score          decimal(2,1) not null,
+   primary key (movie_id)
+);
+
+/*==============================================================*/
+/* Table: movieteam                                             */
+/*==============================================================*/
+create table movieteam
+(
+   movieteam_id         int not null auto_increment,
+   movie_id             int not null,
+   movieteam_name       varchar(10) not null,
+   movieteam_age        char(1) not null,
+   movieteam_status     varchar(10) not null,
+   primary key (movieteam_id)
+);
+
+/*==============================================================*/
+/* Table: movietypes                                            */
+/*==============================================================*/
+create table movietypes
+(
+   movietypes_id        int not null auto_increment,
+   movietypes_name      varchar(5) not null,
+   primary key (movietypes_id)
+);
+
+alter table Commenttype add constraint FK_Relationship_5 foreign key (comment_id)
+      references comment (comment_id) on delete restrict on update restrict;
+
+alter table commentssection add constraint FK_Relationship_7 foreign key (movie_id)
+      references movie (movie_id) on delete restrict on update restrict;
+
+alter table movie add constraint FK_Relationship_1 foreign key (movietypes_id)
+      references movietypes (movietypes_id) on delete restrict on update restrict;
+
+alter table movie add constraint FK_Relationship_2 foreign key (country_id)
+      references country (country_id) on delete restrict on update restrict;
+
+alter table movie add constraint FK_Relationship_3 foreign key (language_id)
+      references language (language_id) on delete restrict on update restrict;
+
+alter table movie add constraint FK_Relationship_4 foreign key (comment_id)
+      references comment (comment_id) on delete restrict on update restrict;
+
+alter table movieteam add constraint FK_Relationship_6 foreign key (movie_id)
+      references movie (movie_id) on delete restrict on update restrict;
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