- •Актуальность.
- •Целевая аудитория.
- •Требования к базе.
- •Сущности и связи:
- •Описание полей.
- •Функциональные зависимости.
- •Sql листинги:
- •Insert (Вставка данных):
- •1. Вывод всех физических способностей, с силой больше 20 и указать класс этой способности.
- •2. Вывод правителей и наследников
- •3. Вывод всех способностей и сопротивлений, которые дает специализации храмовник и паладин. Должно вывестись id, название способности, мощность и описание.
- •4. Вывод всех споосбностей и сопротивлений,которые дают расы эльф, человек и гном из разных вселенных.
- •5. Вывод имени персонажа, который является и героем и правителем страны, его звание, расу и бога (богов) в которых он верит.
- •6. Вывод персонажей и богов, в которых они верят, а также расы к которой они принадлежат и их специализации, если она есть
- •7. Вывод всех стран в базе, Миров в которых они находятся, месторасположение, а также количество персонажей в этой стране, который находятся в базе.
- •8. Вывод персонажей являющихся родственниками (представителями клана)
- •9. Вывод добрых богов и благословений которые они дают, а также способности благословений и число людей которые в них верят.
- •10. Вывод героя с максимальным уровнем.
Функциональные зависимости.


|
ФЗ в НФБК |
Детерминанты |
Возможные ключи |
|
|
id_ability |
id_ability |
|
|
id_blessing |
id_blessing |
|
|
id_character |
id_character |
|
|
id_clan |
id_clan |
|
|
id_country |
id_country |
|
|
id_form |
id_form |
|
|
id_god |
id_god |
|
|
id_government |
id_government |
|
|
id_governor |
id_governor |
|
|
id_kind |
id_kind |
|
|
id_race |
id_race |
|
|
id_rank |
id_rank |
|
|
id_specialization |
id_spezialization |
|
|
id_suscebtibility |
id_suscebtibility |
|
|
id_type |
id_type |
|
|
id_universe |
id_universe |
|
|
id_specialization id_ability |
id_specialization id_ability |
|
|
id_specialization id_suscebtibility |
id_specializationid_suscebtibility |
|
|
id_blessing id_ability |
id_blessing id_heroes |
|
|
id_blessing id_suscebtibility |
id_blessing id_suscebtidility |
|
|
id_race id_ability |
id_race id_ability |
|
|
id_race id_suscebtibility |
id_race id_suscebtibility |
|
|
id_character, id_god |
id_character id_god |
|
|
id_specialization id_heroes |
id_specialization id_heroes |
Sql листинги:
Create (Создание таблиц):
CREATE DATABASE IF NOT EXISTS `stud161161`;
USE `stud161161`;
DROP TABLE IF EXISTS `heroes_specialization`;
DROP TABLE IF EXISTS `suscebtibility_specialization`;
DROP TABLE IF EXISTS `ability_specialization`;
DROP TABLE IF EXISTS `ability_race`;
DROP TABLE IF EXISTS `ability_blessing`;
DROP TABLE IF EXISTS `suscebtibility_race`;
DROP TABLE IF EXISTS `god_character`;
DROP TABLE IF EXISTS `suscebtibility_blessing`;
DROP TABLE IF EXISTS `heroes`;
DROP TABLE IF EXISTS `governor`;
DROP TABLE IF EXISTS `heirs`;
DROP TABLE IF EXISTS `character`;
DROP TABLE IF EXISTS `god`;
DROP TABLE IF EXISTS `blessing`;
DROP TABLE IF EXISTS `specialization`;
DROP TABLE IF EXISTS `race`;
DROP TABLE IF EXISTS `suscebtibility`;
DROP TABLE IF EXISTS `ability`;
DROP TABLE IF EXISTS `type_god`;
DROP TABLE IF EXISTS `form`;
DROP TABLE IF EXISTS `rank`;
DROP TABLE IF EXISTS `clan`;
DROP TABLE IF EXISTS `country`;
DROP TABLE IF EXISTS `government`;
DROP TABLE IF EXISTS `universe`;
DROP TABLE IF EXISTS `kind_universe`;
CREATE TABLE `kind_universe` (
`id_kind` INT UNSIGNED NOT NULL AUTO_INCREMENT PRIMARY KEY COMMENT 'Первичный ключ',
`kind` VARCHAR(20) NOT NULL DEFAULT '' COMMENT 'Вид Вселенной',
`description` TEXT COMMENT 'Краткое описание'
) ENGINE = InnoDB CHARACTER SET utf8 COLLATE utf8_general_ci
COMMENT = 'Вид Вселенной';
CREATE TABLE `universe` (
`id_universe` INT UNSIGNED NOT NULL AUTO_INCREMENT PRIMARY KEY COMMENT 'Первичный ключ',
`id_kind` INT UNSIGNED NOT NULL COMMENT 'Вид вселенной (kind_universe)',
`name` VARCHAR(20) NOT NULL DEFAULT '' COMMENT 'Название Вселенной',
`technical_level` ENUM('low', 'average', 'high') NOT NULL COMMENT 'Технический уровень',
`moral_level` ENUM('low', 'average', 'high') NOT NULL COMMENT 'Уровень морали',
`author` VARCHAR(100) COMMENT 'Автор Вселенной',
`age` INT NOT NULL DEFAULT 0 COMMENT 'Возраст Вселенной',
`description` TEXT COMMENT 'Краткое описание',
FOREIGN KEY (`id_kind`)
REFERENCES `kind_universe`(`id_kind`)
ON UPDATE CASCADE ON DELETE RESTRICT
) ENGINE = InnoDB CHARACTER SET utf8 COLLATE utf8_general_ci
COMMENT = 'Вселенная';
CREATE TABLE `government` (
`id_government` INT UNSIGNED NOT NULL AUTO_INCREMENT PRIMARY KEY COMMENT 'Первичный ключ',
`id_universe` INT UNSIGNED NOT NULL COMMENT '',
`name` VARCHAR(20) NOT NULL DEFAULT '' COMMENT 'Название Правительства',
`type_power` VARCHAR(20) NOT NULL COMMENT 'Вид власти',
FOREIGN KEY (`id_universe`)
REFERENCES `universe`(`id_universe`)
ON UPDATE CASCADE ON DELETE RESTRICT
) ENGINE = InnoDB CHARACTER SET utf8 COLLATE utf8_general_ci
COMMENT = 'Правительство';
CREATE TABLE `country` (
`id_country` INT UNSIGNED NOT NULL AUTO_INCREMENT PRIMARY KEY COMMENT 'Первичный ключ',
`id_universe` INT UNSIGNED NOT NULL COMMENT 'Вселенная (universe)',
`id_government`INT UNSIGNED NOT NULL COMMENT 'Правительство (government)',
`name` VARCHAR(30) NOT NULL DEFAULT '' COMMENT 'Название Страны',
`location` ENUM('N','S','W','E','N-W','N-E','S-W','S-E') NOT NULL COMMENT 'Место расположение',
`landscape` VARCHAR(100) NOT NULL DEFAULT '' COMMENT 'Ландшафт',
`flora` TEXT COMMENT 'Краткое описание флоры',
`fauna` TEXT COMMENT 'Краткое описание фауны',
FOREIGN KEY (`id_universe`)
REFERENCES `universe`(`id_universe`)
ON UPDATE CASCADE ON DELETE RESTRICT,
FOREIGN KEY (`id_government`)
REFERENCES `government`(`id_government`)
ON UPDATE CASCADE ON DELETE RESTRICT
) ENGINE = InnoDB CHARACTER SET utf8 COLLATE utf8_general_ci
COMMENT = 'Страна';
CREATE TABLE `clan` (
`id_clan` INT UNSIGNED NOT NULL AUTO_INCREMENT PRIMARY KEY COMMENT 'Первичный ключ',
`id_universe` INT UNSIGNED NOT NULL COMMENT 'Вселенная (universe)',
`name` VARCHAR(20) NOT NULL DEFAULT '' COMMENT 'Название Клана',
`pedigree` TEXT COMMENT 'Родословная клана или семьи',
`roots` VARCHAR(100) COMMENT 'Корни',
FOREIGN KEY (`id_universe`)
REFERENCES `universe`(`id_universe`)
ON UPDATE CASCADE ON DELETE RESTRICT
) ENGINE = InnoDB CHARACTER SET utf8 COLLATE utf8_general_ci
COMMENT = 'Клан';
CREATE TABLE `rank` (
`id_rank` INT UNSIGNED NOT NULL AUTO_INCREMENT PRIMARY KEY COMMENT 'Первичный ключ',
`type` VARCHAR(20) NOT NULL DEFAULT '' COMMENT 'Класс'
) ENGINE = InnoDB CHARACTER SET utf8 COLLATE utf8_general_ci
COMMENT = 'Класс';
CREATE TABLE `form` (
`id_form` INT UNSIGNED NOT NULL AUTO_INCREMENT PRIMARY KEY COMMENT 'Первичный ключ',
`name` VARCHAR(20) NOT NULL DEFAULT '' COMMENT 'Название форм',
`type` ENUM('positive','negative', 'neutral') NOT NULL COMMENT 'Воздействие формы'
) ENGINE = InnoDB CHARACTER SET utf8 COLLATE utf8_general_ci
COMMENT = 'Форма(способности или восприимчивости)';
CREATE TABLE `type_god` (
`id_type` INT UNSIGNED NOT NULL AUTO_INCREMENT PRIMARY KEY COMMENT 'Первичный ключ',
`type` VARCHAR(20) NOT NULL DEFAULT '' COMMENT 'Вид Бога',
`description` TEXT COMMENT 'Краткое описание'
) ENGINE = InnoDB CHARACTER SET utf8 COLLATE utf8_general_ci
COMMENT = 'Вид Бога';
CREATE TABLE `suscebtibility` (
`id_suscebtibility` INT UNSIGNED NOT NULL AUTO_INCREMENT PRIMARY KEY COMMENT 'Первичный ключ',
`id_rank` INT UNSIGNED NOT NULL COMMENT 'Принадлежность к Классу (rank)',
`id_form` INT UNSIGNED NOT NULL COMMENT 'Форма (form)',
`name` VARCHAR(30) NOT NULL DEFAULT '' COMMENT 'Название Страны',
`power` INT COMMENT 'Мощность в %',
`repercusion` VARCHAR(255) NOT NULL DEFAULT '' COMMENT 'Последствия',
FOREIGN KEY (`id_rank`)
REFERENCES `rank`(`id_rank`)
ON UPDATE CASCADE ON DELETE RESTRICT,
FOREIGN KEY (`id_form`)
REFERENCES `form`(`id_form`)
ON UPDATE CASCADE ON DELETE RESTRICT
) ENGINE = InnoDB CHARACTER SET utf8 COLLATE utf8_general_ci
COMMENT = 'Восприимчивость или Сопротивление';
CREATE TABLE `ability` (
`id_ability` INT UNSIGNED NOT NULL AUTO_INCREMENT PRIMARY KEY COMMENT 'Первичный ключ',
`id_rank` INT UNSIGNED NOT NULL COMMENT 'Принадлежность к Классу (rank)',
`id_form` INT UNSIGNED NOT NULL COMMENT 'Форма (form)',
`name` VARCHAR(30) NOT NULL DEFAULT '' COMMENT 'Название Страны',
`power` INT COMMENT 'Сила воздействия',
`lasting` INT COMMENT 'Продолжительность способности в секундах',
`repercusion` VARCHAR(255) NOT NULL DEFAULT '' COMMENT 'Последствия',
FOREIGN KEY (`id_rank`)
REFERENCES `rank`(`id_rank`)
ON UPDATE CASCADE ON DELETE RESTRICT,
FOREIGN KEY (`id_form`)
REFERENCES `form`(`id_form`)
ON UPDATE CASCADE ON DELETE RESTRICT
) ENGINE = InnoDB CHARACTER SET utf8 COLLATE utf8_general_ci
COMMENT ='Способность';
CREATE TABLE `race` (
`id_race` INT UNSIGNED NOT NULL AUTO_INCREMENT PRIMARY KEY COMMENT 'Первичный ключ',
`id_universe` INT UNSIGNED NOT NULL COMMENT 'Вселенная (universe)',
`name` VARCHAR(20) NOT NULL DEFAULT '' COMMENT 'Название Расы',
`life_expect` INT NOT NULL DEFAULT 0 COMMENT 'Средняя продолжительность жизни в годах',
`growth` VARCHAR(20) NOT NULL DEFAULT '' COMMENT 'Средний рост в см',
`weight` VARCHAR(20) NOT NULL DEFAULT '' COMMENT 'Средний вес в кг',
`color_skin` VARCHAR(50) NOT NULL DEFAULT '' COMMENT 'Цвет кожи',
`color_hair` VARCHAR(50) COMMENT 'Цвет волос',
`description` TEXT COMMENT 'Краткое описание Расы',
FOREIGN KEY (`id_universe`)
REFERENCES `universe`(`id_universe`)
ON UPDATE CASCADE ON DELETE RESTRICT
) ENGINE = InnoDB CHARACTER SET utf8 COLLATE utf8_general_ci
COMMENT = 'Раса';
CREATE TABLE `specialization` (
`id_specialization` INT UNSIGNED NOT NULL AUTO_INCREMENT PRIMARY KEY COMMENT 'Первичный ключ',
`id_rank` INT UNSIGNED NOT NULL COMMENT 'Принадлежность к Классу (rank)',
`name` VARCHAR(20) NOT NULL DEFAULT '' COMMENT 'Название Специализации',
`description` TEXT COMMENT 'Краткое описание Специализации',
FOREIGN KEY (`id_rank`)
REFERENCES `rank`(`id_rank`)
ON UPDATE CASCADE ON DELETE RESTRICT
) ENGINE = InnoDB CHARACTER SET utf8 COLLATE utf8_general_ci
COMMENT = 'Специализация';
CREATE TABLE `blessing` (
`id_blessing` INT UNSIGNED NOT NULL AUTO_INCREMENT PRIMARY KEY COMMENT 'Первичный ключ',
`name` VARCHAR(20) NOT NULL DEFAULT '' COMMENT 'Название Благословения',
`repercusion` VARCHAR(255) NOT NULL DEFAULT '' COMMENT 'Последствия'
) ENGINE = InnoDB CHARACTER SET utf8 COLLATE utf8_general_ci
COMMENT = 'Благословение Бога';
CREATE TABLE `god` (
`id_god` INT UNSIGNED NOT NULL AUTO_INCREMENT PRIMARY KEY COMMENT 'Первичный ключ',
`id_universe` INT UNSIGNED NOT NULL COMMENT 'Вселенная (universe)',
`id_type` INT UNSIGNED NOT NULL COMMENT 'Вид Бога (type_god)',
`id_blessing` INT UNSIGNED NOT NULL COMMENT 'Благословение Бога (blessing)',
`name` VARCHAR(20) NOT NULL DEFAULT '' COMMENT 'Имя Бога',
`side` ENUM('evil','neutral','good') NOT NULL COMMENT 'Мировоззрение Бога',
`description` TEXT COMMENT 'Краткое описание',
FOREIGN KEY (`id_universe`)
REFERENCES `universe`(`id_universe`)
ON UPDATE CASCADE ON DELETE RESTRICT,
FOREIGN KEY (`id_type`)
REFERENCES `type_god`(`id_type`)
ON UPDATE CASCADE ON DELETE RESTRICT,
FOREIGN KEY (`id_blessing`)
REFERENCES `blessing`(`id_blessing`)
ON UPDATE CASCADE ON DELETE RESTRICT
) ENGINE = InnoDB CHARACTER SET utf8 COLLATE utf8_general_ci
COMMENT = 'Бог';
CREATE TABLE `character` (
`id_character` INT UNSIGNED NOT NULL AUTO_INCREMENT PRIMARY KEY COMMENT 'Первичный ключ',
`id_country` INT UNSIGNED NOT NULL COMMENT 'Страна (country)',
`id_race` INT UNSIGNED NOT NULL COMMENT 'Раса (race)',
`id_clan` INT UNSIGNED NOT NULL COMMENT 'Клан (clan)',
`name` VARCHAR(50) NOT NULL DEFAULT '' COMMENT 'Имя',
`gender` ENUM('male', 'female') NOT NULL COMMENT 'Пол',
`age` INT NOT NULL DEFAULT 0 COMMENT 'Возраст',
`title` VARCHAR(50) NOT NULL DEFAULT '' COMMENT 'Звание(титул)',
`ideology` VARCHAR(50) COMMENT 'Мировоззрение',
`property` TEXT COMMENT 'Имущество',
`description` TEXT COMMENT 'Дополнительные сведения(биография)',
FOREIGN KEY (`id_country`)
REFERENCES `country`(`id_country`)
ON UPDATE CASCADE ON DELETE RESTRICT,
FOREIGN KEY (`id_race`)
REFERENCES `race`(`id_race`)
ON UPDATE CASCADE ON DELETE RESTRICT,
FOREIGN KEY (`id_clan`)
REFERENCES `clan`(`id_clan`)
ON UPDATE CASCADE ON DELETE RESTRICT
) ENGINE = InnoDB CHARACTER SET utf8 COLLATE utf8_general_ci
COMMENT = 'Персонажи Вселенной';
CREATE TABLE `heroes` (
`id_heroes` INT UNSIGNED NOT NULL AUTO_INCREMENT PRIMARY KEY COMMENT 'Первичный ключ',
`id_character` INT UNSIGNED NOT NULL COMMENT 'Персонаж(character)',
`birthday` DATE NOT NULL COMMENT 'Ваша Дата рождения',
`level` INT NOT NULL DEFAULT 0 COMMENT 'Уровень Героя',
FOREIGN KEY (`id_character`)
REFERENCES `character`(`id_character`)
ON UPDATE CASCADE ON DELETE RESTRICT
) ENGINE = InnoDB CHARACTER SET utf8 COLLATE utf8_general_ci
COMMENT = 'Герои';
CREATE TABLE `governor` (
`id_governor` INT UNSIGNED NOT NULL AUTO_INCREMENT PRIMARY KEY COMMENT 'Первичный ключ',
`id_character` INT UNSIGNED NOT NULL COMMENT 'Персонаж(character)',
`id_government` INT UNSIGNED NOT NULL COMMENT 'Правительство (government)',
`reign` INT NOT NULL DEFAULT 0 COMMENT 'Время правления',
FOREIGN KEY (`id_character`)
REFERENCES `character`(`id_character`)
ON UPDATE CASCADE ON DELETE RESTRICT
) ENGINE = InnoDB CHARACTER SET utf8 COLLATE utf8_general_ci
COMMENT = 'Правитель';
CREATE TABLE `heirs` (
`id_heirs` INT UNSIGNED NOT NULL AUTO_INCREMENT PRIMARY KEY COMMENT 'Первичный ключ',
`id_character` INT UNSIGNED NOT NULL COMMENT 'Персонаж(character)',
`id_governor` INT UNSIGNED NOT NULL COMMENT 'Правитель (governor)',
FOREIGN KEY (`id_character`)
REFERENCES `character`(`id_character`)
ON UPDATE CASCADE ON DELETE RESTRICT
) ENGINE = InnoDB CHARACTER SET utf8 COLLATE utf8_general_ci
COMMENT = 'Наследники Правителя';
CREATE TABLE `god_character` (
`id_god` INT UNSIGNED NOT NULL COMMENT 'Связь с god',
`id_character` INT UNSIGNED NOT NULL COMMENT 'Связь с character',
PRIMARY KEY (`id_god`, `id_character`),
FOREIGN KEY (`id_god`)
REFERENCES `god`(`id_god`)
ON UPDATE CASCADE ON DELETE RESTRICT,
FOREIGN KEY (`id_character`)
REFERENCES `character`(`id_character`)
ON UPDATE CASCADE ON DELETE RESTRICT
) ENGINE = InnoDB CHARACTER SET utf8 COLLATE utf8_general_ci
COMMENT = 'Связь персонажей с Богами, в которых они верят';
CREATE TABLE`ability_race`(
`id_ability` INT UNSIGNED NOT NULL COMMENT 'Связь с ability',
`id_race` INT UNSIGNED NOT NULL COMMENT 'Связь с race',
PRIMARY KEY (`id_ability`, `id_race`),
FOREIGN KEY (`id_ability`)
REFERENCES `ability`(`id_ability`)
ON UPDATE CASCADE ON DELETE RESTRICT,
FOREIGN KEY (`id_race`)
REFERENCES `race`(`id_race`)
ON UPDATE CASCADE ON DELETE RESTRICT
) ENGINE = InnoDB CHARACTER SET utf8 COLLATE utf8_general_ci
COMMENT = 'Связь Расы со Способностями, которые они дают';
CREATE TABLE`suscebtibility_race`(
`id_suscebtibility` INT UNSIGNED NOT NULL COMMENT 'Связь с suscebtibility',
`id_race` INT UNSIGNED NOT NULL COMMENT 'Связь с race',
PRIMARY KEY (`id_suscebtibility`, `id_race`),
FOREIGN KEY (`id_suscebtibility`)
REFERENCES `suscebtibility`(`id_suscebtibility`)
ON UPDATE CASCADE ON DELETE RESTRICT,
FOREIGN KEY (`id_race`)
REFERENCES `race`(`id_race`)
ON UPDATE CASCADE ON DELETE RESTRICT
) ENGINE = InnoDB CHARACTER SET utf8 COLLATE utf8_general_ci
COMMENT = 'Связь Расы со Сопротивлением или Восприимчивостью, которые она дает';
CREATE TABLE`ability_blessing`(
`id_ability` INT UNSIGNED NOT NULL COMMENT 'Связь с ability',
`id_blessing` INT UNSIGNED NOT NULL COMMENT 'Связь с blessing',
PRIMARY KEY (`id_ability`, `id_blessing`),
FOREIGN KEY (`id_ability`)
REFERENCES `ability`(`id_ability`)
ON UPDATE CASCADE ON DELETE RESTRICT,
FOREIGN KEY (`id_blessing`)
REFERENCES `blessing`(`id_blessing`)
ON UPDATE CASCADE ON DELETE RESTRICT
) ENGINE = InnoDB CHARACTER SET utf8 COLLATE utf8_general_ci
COMMENT = 'Связь Благословения со Способностями, которые они дают';
CREATE TABLE`suscebtibility_blessing`(
`id_suscebtibility` INT UNSIGNED NOT NULL COMMENT 'Связь с suscebtibility',
`id_blessing` INT UNSIGNED NOT NULL COMMENT 'Связь с blessing',
PRIMARY KEY (`id_suscebtibility`, `id_blessing`),
FOREIGN KEY (`id_suscebtibility`)
REFERENCES `suscebtibility`(`id_suscebtibility`)
ON UPDATE CASCADE ON DELETE RESTRICT,
FOREIGN KEY (`id_blessing`)
REFERENCES `blessing`(`id_blessing`)
ON UPDATE CASCADE ON DELETE RESTRICT
) ENGINE = InnoDB CHARACTER SET utf8 COLLATE utf8_general_ci
COMMENT = 'Связь Благословения Божьего со Сопротивлением или Восприимчивостью, которые оно дает';
CREATE TABLE`ability_specialization`(
`id_ability` INT UNSIGNED NOT NULL COMMENT 'Связь с ability',
`id_specialization` INT UNSIGNED NOT NULL COMMENT 'Связь с specialization',
PRIMARY KEY (`id_ability`, `id_specialization`),
FOREIGN KEY (`id_ability`)
REFERENCES `ability`(`id_ability`)
ON UPDATE CASCADE ON DELETE RESTRICT,
FOREIGN KEY (`id_specialization`)
REFERENCES `specialization`(`id_specialization`)
ON UPDATE CASCADE ON DELETE RESTRICT
) ENGINE = InnoDB CHARACTER SET utf8 COLLATE utf8_general_ci
COMMENT = 'Связь Специализации со Способностями, которые они дают';
CREATE TABLE`suscebtibility_specialization`(
`id_suscebtibility` INT UNSIGNED NOT NULL COMMENT 'Связь с suscebtibility',
`id_specialization` INT UNSIGNED NOT NULL COMMENT 'Связь с specialization',
PRIMARY KEY (`id_suscebtibility`, `id_specialization`),
FOREIGN KEY (`id_suscebtibility`)
REFERENCES `suscebtibility`(`id_suscebtibility`)
ON UPDATE CASCADE ON DELETE RESTRICT,
FOREIGN KEY (`id_specialization`)
REFERENCES `specialization`(`id_specialization`)
ON UPDATE CASCADE ON DELETE RESTRICT
) ENGINE = InnoDB CHARACTER SET utf8 COLLATE utf8_general_ci
COMMENT = 'Связь Специализации со Сопротивлением или Восприимчивостью, которые они дают';
CREATE TABLE`heroes_specialization`(
`id_heroes` INT UNSIGNED NOT NULL COMMENT 'Связь с heroes',
`id_specialization` INT UNSIGNED NOT NULL COMMENT 'Связь с specialization',
PRIMARY KEY (`id_heroes`, `id_specialization`),
FOREIGN KEY (`id_heroes`)
REFERENCES `heroes`(`id_heroes`)
ON UPDATE CASCADE ON DELETE RESTRICT,
FOREIGN KEY (`id_specialization`)
REFERENCES `specialization`(`id_specialization`)
ON UPDATE CASCADE ON DELETE RESTRICT
) ENGINE = InnoDB CHARACTER SET utf8 COLLATE utf8_general_ci
COMMENT = 'Связь героев со специализацией, к которой они относятся';
























