CREATE TABLE users(
id serial NOT NULL PRIMARY KEY,
email text UNIQUE,
name VARCHAR(255),
dob DATE,
created_at timestamptz DEFAULT now(),
updated_at timestamptz DEFAULT now(),
deleted_at timestamptz
);
-- memiliki relasi dengan users table
-- dihubungkan dengan user_id
CREATE TABLE user_photos(
id serial NOT NULL PRIMARY KEY,
url text,
user_id int,
created_at timestamptz DEFAULT now(),
updated_at timestamptz DEFAULT now(),
deleted_at timestamptz,
Foreign Key (user_id)
REFERENCES users(id)
);
CREATE TABLE user_photos_no_fk(
id serial NOT NULL PRIMARY KEY,
url text,
user_id int,
created_at timestamptz DEFAULT now(),
updated_at timestamptz DEFAULT now(),
deleted_at timestamptz
);
-- Insert dummy data into the users table
INSERT INTO users (email, name, dob) VALUES
('john.doe@example.com', 'John Doe', '1980-01-01'),
('jane.doe@example.com', 'Jane Doe', '1990-01-01'),
('bob.smith@example.com', 'Bob Smith', '2000-01-01');
-- Insert dummy data into the user_photos table
INSERT INTO user_photos (url, user_id) VALUES
('https://example.com/user1.jpg', 1),
('https://example.com/user2.jpg', 2),
('https://example.com/user3.jpg', 3);
SELECT * FROM users
CREATE TABLE books(
id serial NOT NULL PRIMARY KEY,
name_book text,
author VARCHAR(255),
created_at timestamptz DEFAULT now(),
updated_at timestamptz DEFAULT now(),
deleted_at timestamptz
);
INSERT INTO books(name_book, author)
VALUES ('The Great Gatsby', 'F. Scott Fitzgerald'),
('To Kill a Mockingbird', 'Harper Lee'),
('1984', 'George Orwell');
INSERT INTO books(name_book, author)
VALUES ('The Catcher in the Rye', 'J.D. Salinger'),
('Pride and Prejudice', 'Jane Austen'),
('The Lord of the Rings', 'J.R.R. Tolkien');
SELECT id, name_book, author FROM books u