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@@ -0,0 +1,110 @@
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+--роли
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+create table Roles
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+(
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+ Id SERIAL primary key,
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+ name character varying(30) unique
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+);
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+--пользователи
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+create table Users
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+(
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+ Id Serial primary key,
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+ first_name character varying(30) not null,
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+ last_name character varying(30) not null,
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+ middle_name character varying(30),
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+ mail character varying(50) not null unique,
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+ phone_number character varying(20) unique,
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+ date_birth date,
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+ Id_role int references Roles(Id) not null
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+);
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+--Кафедры
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+create table Departments
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+(
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+ Id SERIAL primary key,
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+ name character varying(70) unique not null
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+);
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+--Специальности
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+create table Specialties
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+(
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+ Id SERIAL primary key,
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+ name character varying(70) unique not null,
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+ Id_department int references Departments(Id) not null
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+);
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+--Группы
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+create table "Groups"
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+(
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+ Id Serial primary key,
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+ Id_specialty int references Specialties(Id) not null,
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+ start_date date not null,
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+ name character varying(5) not null
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+);
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+--студенты
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+create table Students
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+(
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+ user_Id int references Users(Id) primary key,
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+ group_Id int references "Groups"(Id) not null
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+);
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+--корпусы (филиалы)
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+create table Buildings
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+(
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+ Id serial primary key,
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+ Mgr int references Users(Id) not null,--заведующий
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+ address character varying(70) not null
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+);
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+--преподаватели
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+create table Teachers
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+(
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+ user_Id int references Users(Id) primary key,
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+ department_Id int references Departments(Id)
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+);
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+--дисциплины
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+create table Disciplines
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+(
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+ Id serial primary key,
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+ name character varying(60) not null,
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+ department_Id int references Departments(Id) not null,
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+ academic_hours int not null
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+);
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+--дисциплины преподавателей
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+create table TeachersDisciplines
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+(
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+ Id serial primary key,
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+ teacher_Id int references Teachers(user_Id) not null,
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+ discipline_Id int references Disciplines(Id) not null
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+);
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+--дисциплины групп
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+create table GroupDiscipline
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+(
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+ Id serial primary key,
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+ semester int,
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+ teacher_discipline_Id int references TeachersDisciplines(Id) not null,
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+ group_Id int references "Groups"(Id) not null
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+);
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+--расписание
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+create table Timetables
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+(
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+ Id serial primary key,
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+ class_date date not null,
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+ class_number smallint,
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+ group_discipline_Id int references GroupDiscipline(Id) not null,
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+ buildind_Id int references Buildings(Id) not null
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+);
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+--оценки
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+create table StudentGrades
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+(
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+ Id Serial primary key,
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+ student_Id int references Students(user_Id) not null,
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+ group_discipline_Id int references GroupDiscipline(Id) not null,
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+ graded_at date,
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+ grade smallint not null,
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+ work_name character varying(70)
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+);
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+--посещаемость
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+create table Attendance
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+(
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+ Id serial primary key,
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+ timetable_Id int references Timetables(Id) not null,
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+ student_Id int references Students(user_Id) not null,
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+ attended bool not null
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+);
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+
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+
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