CREATE TABLE IF NOT EXISTS "guestBook" ( "id" integer PRIMARY KEY GENERATED ALWAYS AS IDENTITY (sequence name "guestBook_id_seq" INCREMENT BY 1 MINVALUE 1 MAXVALUE 2147483647 START WITH 1 CACHE 1), "name" varchar(255) NOT NULL, "email" varchar(255) NOT NULL, CONSTRAINT "guestBook_email_unique" UNIQUE("email") );