CREATE TABLE categories (
 `category_id` INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
 `category_position` INT(11) NOT NULL,
 `category_title` VARCHAR(150) NOT NULL,
);

CREATE TABLE categories_classic (
 `category_classic_id` INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
 `category_classic_category_position` INT(11) NOT NULL,
 `category_classic_position` INT(11) NOT NULL
);

CREATE TABLE categories_modern (
 `category_modern_id` INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
 `category_modern_category_position` INT(11) NOT NULL,
 `category_modern_position` INT(11) NOT NULL
);

CREATE TABLE forums (
 `forum_id` INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
 `forum_category_classic_position` INT(11) NOT NULL,
 `forum_category_modern_position` INT(11) NOT NULL,
 `forum_position` INT(11) NOT NULL,
 `forum_image` VARCHAR(150) NOT NULL,
 `forum_title` VARCHAR(150) NOT NULL,
 `forum_description` VARCHAR(255) NOT NULL
);

CREATE TABLE topics (
 `topic_id` INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
 `topic_forum_id` INT(11) NOT NULL,
 `topic_position` INT(11) NOT NULL,
 `topic_title` VARCHAR(150) NOT NULL,
 `topic_description` VARCHAR(255) NOT NULL
);

CREATE TABLE posts (
 `post_id` INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
 `post_topic_id` INT(11) NOT NULL,
 `post_position` INT(11) NOT NULL,
 `post_title` VARCHAR(150) NOT NULL,
 `post_description` VARCHAR(255) NOT NULL
);