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Apendice B
Modelo de datos y tablas de la RDU
Diagrama de los componentes de la RDU con sus respectivos atributos.
Diagrama de escuelas - cursos.
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Tablas resultantes de los diagramas anteriores
create table book_reserve
(
id_book serial not null,
title char(255),
year int,
loan_time int,
ini_day int,
ini_mon int,
ini_year int,
end_day int,
end_mon int,
end_year int,
description text );
create table autor
(
id_autor serial not null,
name char(255),
last_name char(255) );
create table doc_digital
(
id_doc serial not null,
title char(255),
year int,
ini_day int,
ini_mon int,
ini_year int,
end_day int,
end_mon int,
end_year int,
description text,
archive_pdf byte );
create table dig_pag_doc
(
num_page int,
id_doc int,
page byte );
create table thumbnail
(
num_page int,
id_doc int,
thumbnail byte );
create table course
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(
course_key char(255) not null,
section int not null,
name char(255),
id_user char(255),
depto_key Char(255) );
create table depart
(
depto_key char(255) not null,
name char(255),
url char(255),
sc_key char(255) );
create table school
(
sc_key char(255) not null,
url char(255),
name char(255) );
create table url_suge
(
id_url serial not null,
title char(255),
ini_day int,
ini_mon int,
ini_year int,
end_day int,
end_mon int,
end_year int,
description text,
url char(255),
course_key char(255),
section int );
create table course_book
(
id_book int,
course_key char(255),
section int );
create table course_doc
(
id_doc int,
course_key char(255),
section int );
create table autor_book
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(
id_autor int,
id_book int );
create table autor_doc
(
id_autor int,
id_doc int );
create table user_t_course
(
course_key char(255),
section int,
id_user char(255) );
create table user_i_course
(
course_key char(255),
section int,
id_user char(255) );
Diagrama de los usuarios
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create table person
(
id_person char(255) not null,
name_i char(255),
name_s char(255),
last_name_p char(255),
last_name_m char(255) );
create table user
(
id_user char(255) not null,
id_person char(255),
password char (255),
email char(255) );
create table roles
(
id_role char(255) not null,
role char(255) );
create table user_role
(
id_user char(255),
id_role char(255) );
Índices creados para el mejor rendimiento de la base de datos
create index user_index on user (id_user);
create index user_role_index on user_role (id_user);
create index doc_index on doc_digital (id_doc);
create index pag_doc_index on dig_pag_doc (id_doc, num_page);
create index thumbnail_index on thumbnail (id_doc, num_page);
create index url_index on url_suge (id_url);
create index course_index on course (course_key, section);
create index course_doc_index on course_doc (id_doc, course_key, section);
create index user_t_cou_index on user_t_course (section, id_user);
create index user_i_cou_index on user_i_course (section, id_user);
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