From 26f6e42d97229267d3c5e14e584928e062865c30 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=E5=91=A8=E5=AF=8C?= <2744975513@qq.com> Date: Mon, 11 Sep 2023 14:47:07 +0800 Subject: [PATCH] =?UTF-8?q?=E4=BD=9C=E4=B8=9A?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- ...33\345\244\251\347\254\224\350\256\260.md" | 9 + ...11\345\233\276\344\271\246\351\246\206.md" | 454 ++++++++++++++++++ 2 files changed, 463 insertions(+) create mode 100644 "17 \345\221\250\345\257\214/20230910\347\254\254\345\233\233\345\244\251\347\254\224\350\256\260.md" create mode 100644 "17 \345\221\250\345\257\214/20230911\345\233\276\344\271\246\351\246\206.md" diff --git "a/17 \345\221\250\345\257\214/20230910\347\254\254\345\233\233\345\244\251\347\254\224\350\256\260.md" "b/17 \345\221\250\345\257\214/20230910\347\254\254\345\233\233\345\244\251\347\254\224\350\256\260.md" new file mode 100644 index 0000000..ee708a4 --- /dev/null +++ "b/17 \345\221\250\345\257\214/20230910\347\254\254\345\233\233\345\244\251\347\254\224\350\256\260.md" @@ -0,0 +1,9 @@ +软件：powerdesigner + +1.创建概念模型（类似ER图）（用户角度）CDM。 + +2.转换式逻辑模型（计算机的角度）LDM。 + +3.转换成物理模型（数据库的角度）PDM。 + +4.生成DDL。 \ No newline at end of file diff --git "a/17 \345\221\250\345\257\214/20230911\345\233\276\344\271\246\351\246\206.md" "b/17 \345\221\250\345\257\214/20230911\345\233\276\344\271\246\351\246\206.md" new file mode 100644 index 0000000..2632a03 --- /dev/null +++ "b/17 \345\221\250\345\257\214/20230911\345\233\276\344\271\246\351\246\206.md" @@ -0,0 +1,454 @@ +~~~mysql +/*==============================================================*/ +/* DBMS name: Sybase SQL Anywhere 12 */ +/* Created on: 2023/9/11 14:11:35 */ +/*==============================================================*/ + + +if exists(select 1 from sys.sysforeignkey where role='FK_BOOK_RELATIONS_BOOKSHEL') then + alter table book + delete foreign key FK_BOOK_RELATIONS_BOOKSHEL +end if; + +if exists(select 1 from sys.sysforeignkey where role='FK_BOOKSHEL_RELATIONS_FLOOR') then + alter table bookshelf + delete foreign key FK_BOOKSHEL_RELATIONS_FLOOR +end if; + +if exists(select 1 from sys.sysforeignkey where role='FK_BORROW-R_RELATIONS_BOOK') then + alter table "borrow-return" + delete foreign key "FK_BORROW-R_RELATIONS_BOOK" +end if; + +if exists(select 1 from sys.sysforeignkey where role='FK_BORROW-R_RELATIONS_STUDENT') then + alter table "borrow-return" + delete foreign key "FK_BORROW-R_RELATIONS_STUDENT" +end if; + +if exists(select 1 from sys.sysforeignkey where role='FK_BORROW-R_RELATIONS_FLOOR') then + alter table "borrow-return" + delete foreign key "FK_BORROW-R_RELATIONS_FLOOR" +end if; + +if exists(select 1 from sys.sysforeignkey where role='FK_BORROW-R_RELATIONS_BOOKSHEL') then + alter table "borrow-return" + delete foreign key "FK_BORROW-R_RELATIONS_BOOKSHEL" +end if; + +if exists(select 1 from sys.sysforeignkey where role='FK_BORROW-R_RELATIONS_LIBRARIA') then + alter table "borrow-return" + delete foreign key "FK_BORROW-R_RELATIONS_LIBRARIA" +end if; + +if exists(select 1 from sys.sysforeignkey where role='FK_FLOOR_RELATIONS_LIBRARY') then + alter table floor + delete foreign key FK_FLOOR_RELATIONS_LIBRARY +end if; + +if exists(select 1 from sys.sysforeignkey where role='FK_����_����_STUDENT') then + alter table ���� + delete foreign key FK_����_����_STUDENT +end if; + +if exists(select 1 from sys.sysforeignkey where role='FK_����_����2_LIBRARIA') then + alter table ���� + delete foreign key FK_����_����2_LIBRARIA +end if; + +if exists(select 1 from sys.sysforeignkey where role='FK_����_����_LIBRARIA') then + alter table ���� + delete foreign key FK_����_����_LIBRARIA +end if; + +if exists(select 1 from sys.sysforeignkey where role='FK_����_����2_BOOK') then + alter table ���� + delete foreign key FK_����_����2_BOOK +end if; + +drop index if exists book.Relationship_3_FK; + +drop index if exists book.book_PK; + +drop table if exists book; + +drop index if exists bookshelf.Relationship_2_FK; + +drop index if exists bookshelf.bookshelf_PK; + +drop table if exists bookshelf; + +drop index if exists "borrow-return".Relationship_10_FK; + +drop index if exists "borrow-return".Relationship_9_FK; + +drop index if exists "borrow-return".Relationship_8_FK; + +drop index if exists "borrow-return".Relationship_7_FK; + +drop index if exists "borrow-return".Relationship_6_FK; + +drop index if exists "borrow-return"."borrow-return_PK"; + +drop table if exists "borrow-return"; + +drop index if exists floor.Relationship_1_FK; + +drop index if exists floor.floor_PK; + +drop table if exists floor; + +drop index if exists librarian.librarian_PK; + +drop table if exists librarian; + +drop index if exists library.library_PK; + +drop table if exists library; + +drop index if exists student.student_PK; + +drop table if exists student; + +drop index if exists ����.����_FK; + +drop index if exists ����.����2_FK; + +drop index if exists ����.����_PK; + +drop table if exists ����; + +drop index if exists ����.����_FK; + +drop index if exists ����.����2_FK; + +drop index if exists ����.����_PK; + +drop table if exists ����; + +/*==============================================================*/ +/* Table: book */ +/*==============================================================*/ +create table book +( + id integer not null, + book_id integer not null, + name char(10) not null, + author char(5) not null, + constraint PK_BOOK primary key (id) +); + +/*==============================================================*/ +/* Index: book_PK */ +/*==============================================================*/ +create unique index book_PK on book ( +id ASC +); + +/*==============================================================*/ +/* Index: Relationship_3_FK */ +/*==============================================================*/ +create index Relationship_3_FK on book ( +book_id ASC +); + +/*==============================================================*/ +/* Table: bookshelf */ +/*==============================================================*/ +create table bookshelf +( + book_id integer not null, + fl_id integer not null, + book_name char(5) not null, + constraint PK_BOOKSHELF primary key (book_id) +); + +/*==============================================================*/ +/* Index: bookshelf_PK */ +/*==============================================================*/ +create unique index bookshelf_PK on bookshelf ( +book_id ASC +); + +/*==============================================================*/ +/* Index: Relationship_2_FK */ +/*==============================================================*/ +create index Relationship_2_FK on bookshelf ( +fl_id ASC +); + +/*==============================================================*/ +/* Table: "borrow-return" */ +/*==============================================================*/ +create table "borrow-return" +( + b_id integer not null, + stu_id integer not null, + fl_id integer not null, + book_id integer not null, + libr_id integer not null, + id integer not null, + "time" timestamp not null, + "type(borrow,also)" char(10) not null, + constraint "PK_BORROW-RETURN" primary key (b_id) +); + +/*==============================================================*/ +/* Index: "borrow-return_PK" */ +/*==============================================================*/ +create unique index "borrow-return_PK" on "borrow-return" ( +b_id ASC +); + +/*==============================================================*/ +/* Index: Relationship_6_FK */ +/*==============================================================*/ +create index Relationship_6_FK on "borrow-return" ( +stu_id ASC +); + +/*==============================================================*/ +/* Index: Relationship_7_FK */ +/*==============================================================*/ +create index Relationship_7_FK on "borrow-return" ( +fl_id ASC +); + +/*==============================================================*/ +/* Index: Relationship_8_FK */ +/*==============================================================*/ +create index Relationship_8_FK on "borrow-return" ( +book_id ASC +); + +/*==============================================================*/ +/* Index: Relationship_9_FK */ +/*==============================================================*/ +create index Relationship_9_FK on "borrow-return" ( +libr_id ASC +); + +/*==============================================================*/ +/* Index: Relationship_10_FK */ +/*==============================================================*/ +create index Relationship_10_FK on "borrow-return" ( +id ASC +); + +/*==============================================================*/ +/* Table: floor */ +/*==============================================================*/ +create table floor +( + fl_id integer not null, + li_id integer not null, + fi_name char(5) not null, + constraint PK_FLOOR primary key (fl_id) +); + +/*==============================================================*/ +/* Index: floor_PK */ +/*==============================================================*/ +create unique index floor_PK on floor ( +fl_id ASC +); + +/*==============================================================*/ +/* Index: Relationship_1_FK */ +/*==============================================================*/ +create index Relationship_1_FK on floor ( +li_id ASC +); + +/*==============================================================*/ +/* Table: librarian */ +/*==============================================================*/ +create table librarian +( + libr_id integer not null, + libr_name char(5) not null, + constraint PK_LIBRARIAN primary key (libr_id) +); + +/*==============================================================*/ +/* Index: librarian_PK */ +/*==============================================================*/ +create unique index librarian_PK on librarian ( +libr_id ASC +); + +/*==============================================================*/ +/* Table: library */ +/*==============================================================*/ +create table library +( + li_id integer not null, + li_name varchar(10) not null, + constraint PK_LIBRARY primary key (li_id) +); + +/*==============================================================*/ +/* Index: library_PK */ +/*==============================================================*/ +create unique index library_PK on library ( +li_id ASC +); + +/*==============================================================*/ +/* Table: student */ +/*==============================================================*/ +create table student +( + stu_id integer not null, + stu_name char(5) not null, + stu_sex char(2) not null, + constraint PK_STUDENT primary key (stu_id) +); + +/*==============================================================*/ +/* Index: student_PK */ +/*==============================================================*/ +create unique index student_PK on student ( +stu_id ASC +); + +/*==============================================================*/ +/* Table: ���� */ +/*==============================================================*/ +create table ���� +( + stu_id integer not null, + libr_id integer not null, + timeʱ�� timestamp not null, + constraint PK_���� primary key (stu_id, libr_id) +); + +/*==============================================================*/ +/* Index: ����_PK */ +/*==============================================================*/ +create unique index ����_PK on ���� ( +stu_id ASC, +libr_id ASC +); + +/*==============================================================*/ +/* Index: ����2_FK */ +/*==============================================================*/ +create index ����2_FK on ���� ( +libr_id ASC +); + +/*==============================================================*/ +/* Index: ����_FK */ +/*==============================================================*/ +create index ����_FK on ���� ( +stu_id ASC +); + +/*==============================================================*/ +/* Table: ���� */ +/*==============================================================*/ +create table ���� +( + libr_id integer not null, + id integer not null, + "time" timestamp not null, + constraint PK_���� primary key (libr_id, id) +); + +/*==============================================================*/ +/* Index: ����_PK */ +/*==============================================================*/ +create unique index ����_PK on ���� ( +libr_id ASC, +id ASC +); + +/*==============================================================*/ +/* Index: ����2_FK */ +/*==============================================================*/ +create index ����2_FK on ���� ( +id ASC +); + +/*==============================================================*/ +/* Index: ����_FK */ +/*==============================================================*/ +create index ����_FK on ���� ( +libr_id ASC +); + +alter table book + add constraint FK_BOOK_RELATIONS_BOOKSHEL foreign key (book_id) + references bookshelf (book_id) + on update restrict + on delete restrict; + +alter table bookshelf + add constraint FK_BOOKSHEL_RELATIONS_FLOOR foreign key (fl_id) + references floor (fl_id) + on update restrict + on delete restrict; + +alter table "borrow-return" + add constraint "FK_BORROW-R_RELATIONS_BOOK" foreign key (id) + references book (id) + on update restrict + on delete restrict; + +alter table "borrow-return" + add constraint "FK_BORROW-R_RELATIONS_STUDENT" foreign key (stu_id) + references student (stu_id) + on update restrict + on delete restrict; + +alter table "borrow-return" + add constraint "FK_BORROW-R_RELATIONS_FLOOR" foreign key (fl_id) + references floor (fl_id) + on update restrict + on delete restrict; + +alter table "borrow-return" + add constraint "FK_BORROW-R_RELATIONS_BOOKSHEL" foreign key (book_id) + references bookshelf (book_id) + on update restrict + on delete restrict; + +alter table "borrow-return" + add constraint "FK_BORROW-R_RELATIONS_LIBRARIA" foreign key (libr_id) + references librarian (libr_id) + on update restrict + on delete restrict; + +alter table floor + add constraint FK_FLOOR_RELATIONS_LIBRARY foreign key (li_id) + references library (li_id) + on update restrict + on delete restrict; + +alter table ���� + add constraint FK_����_����_STUDENT foreign key (stu_id) + references student (stu_id) + on update restrict + on delete restrict; + +alter table ���� + add constraint FK_����_����2_LIBRARIA foreign key (libr_id) + references librarian (libr_id) + on update restrict + on delete restrict; + +alter table ���� + add constraint FK_����_����_LIBRARIA foreign key (libr_id) + references librarian (libr_id) + on update restrict + on delete restrict; + +alter table ���� + add constraint FK_����_����2_BOOK foreign key (id) + references book (id) + on update restrict + on delete restrict; + + +~~~ + -- Gitee