CREATE TABLE `photo_likes` ( `photo_id` integer NOT NULL, `user_id` text NOT NULL, PRIMARY KEY(`photo_id`, `user_id`), FOREIGN KEY (`photo_id`) REFERENCES `photos`(`id`) ON UPDATE no action ON DELETE no action, FOREIGN KEY (`user_id`) REFERENCES `users`(`id`) ON UPDATE no action ON DELETE no action ); --> statement-breakpoint CREATE TABLE `photos` ( `id` integer PRIMARY KEY NOT NULL, `user_id` text(50) NOT NULL, `caption` text(250), `visible` integer DEFAULT false NOT NULL, FOREIGN KEY (`user_id`) REFERENCES `users`(`id`) ON UPDATE no action ON DELETE no action ); --> statement-breakpoint CREATE TABLE `users` ( `id` text PRIMARY KEY NOT NULL, `username` text(50) NOT NULL, `password` text(50) NOT NULL ); --> statement-breakpoint CREATE UNIQUE INDEX `users_username_unique` ON `users` (`username`);