messageID now auto-increments

scripts/friendbook.sql

@@ -1,31 +1,31 @@
 USE friendbook;
 
 CREATE TABLE login(
-    username varchar(25),
-    pword varchar(25),
+    username varchar(25) NOT NULL,
+    pword varchar(25) NOT NULL,
     primary key(username));
 
 CREATE TABLE contacts(
-    username varchar(25),
-    fname varchar(25),
-    lname varchar(25),
+    username varchar(25) NOT NULL,
+    fname varchar(25) NOT NULL,
+    lname varchar(25) NOT NULL,
     primary key(username),
     foreign key(username) references login(username));
 
 CREATE TABLE messages(
-    messageID int,
-    sender varchar(25),
-    recipient varchar(25),
-    message text,
-    date date,
+    messageID int NOT NULL AUTO_INCREMENT,
+    sender varchar(25) NOT NULL,
+    recipient varchar(25) NOT NULL,
+    message text NOT NULL,
+    date date NOT NULL,
     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),
+    username varchar(25) NOT NULL,
+    friend varchar(25) NOT NULL,
     confirm boolean);
 
 INSERT INTO login