USE friendbook; CREATE TABLE login( username varchar(25), pword varchar(25), primary key(username)); CREATE TABLE contacts( username varchar(25), fname varchar(25), lname varchar(25), primary key(username), foreign key(username) references login(username)); CREATE TABLE messages( messageID int, sender varchar(25), recipient varchar(25), message text, date date, haveread varchar(1), primary key(messageID), foreign key(sender) references contacts(username), foreign key(recipient) references contacts(username)); CREATE TABLE friendList( username varchar(25), friend varchar(25), confirm boolean); INSERT INTO login (username, pword) VALUES ('user1', 'password1'), ('user2', 'password2'); INSERT INTO contacts (username, fname, lname) VALUES ('user1', 'num1', 'uno'), ('user2', 'num2', 'dos'); INSERT INTO messages (messageID, sender, recipient, message, date, haveread) VALUES ('1', 'user1', 'user2', 'hello, how are you', now(), 'Y'), ('2', 'user2', 'user1', 'im doing good, thanks', now(), 'N');