-- Start by creating a new database called 'library'

CREATE DATABASE IF NOT EXISTS library;

USE library;

​

-- Create a table for 'authors'

CREATE TABLE IF NOT EXISTS authors (

    author_id INT AUTO_INCREMENT PRIMARY KEY,

    first_name VARCHAR(100) NOT NULL,

    last_name VARCHAR(100) NOT NULL,

    bio TEXT

);

​

-- Create a table for 'publishers'

CREATE TABLE IF NOT EXISTS publishers (

    publisher_id INT AUTO_INCREMENT PRIMARY KEY,

    name VARCHAR(255) NOT NULL,

    address TEXT

);

​

-- Create a table for 'books'

CREATE TABLE IF NOT EXISTS books (

    book_id INT AUTO_INCREMENT PRIMARY KEY,

    title VARCHAR(255) NOT NULL,

    isbn VARCHAR(17) UNIQUE,

    year_published YEAR,

    author_id INT,

    publisher_id INT,

    FOREIGN KEY (author_id) REFERENCES authors(author_id),

    FOREIGN KEY (publisher_id) REFERENCES publishers(publisher_id)

);

​

-- Create a table for 'members'

CREATE TABLE IF NOT EXISTS members (

    member_id INT AUTO_INCREMENT PRIMARY KEY,

    first_name VARCHAR(100) NOT NULL,

    last_name VARCHAR(100) NOT NULL,

    email VARCHAR(255) UNIQUE NOT NULL,

    join_date DATE NOT NULL

);

​

-- Create a table for 'loans'

CREATE TABLE IF NOT EXISTS loans (

    loan_id INT AUTO_INCREMENT PRIMARY KEY,

    book_id INT NOT NULL,

    member_id INT NOT NULL,

    loan_date DATE NOT NULL,

    due_date DATE NOT NULL,

    return_date DATE,

    FOREIGN KEY (book_id) REFERENCES books(book_id),

    FOREIGN KEY (member_id) REFERENCES members(member_id)

);