CREATE TABLE "mf"."product_group_info" ( "id" integer PRIMARY KEY GENERATED ALWAYS AS IDENTITY (sequence name "mf"."product_group_info_id_seq" INCREMENT BY 1 MINVALUE 1 MAXVALUE 2147483647 START WITH 1 CACHE 1), "group_name" varchar(255) NOT NULL, "description" varchar(500), "created_at" timestamp DEFAULT now() NOT NULL ); --> statement-breakpoint CREATE TABLE "mf"."product_group_membership" ( "product_id" integer NOT NULL, "group_id" integer NOT NULL, "added_at" timestamp DEFAULT now() NOT NULL, CONSTRAINT "product_group_membership_pk" UNIQUE("product_id","group_id") ); --> statement-breakpoint ALTER TABLE "mf"."product_group_membership" ADD CONSTRAINT "product_group_membership_product_id_product_info_id_fk" FOREIGN KEY ("product_id") REFERENCES "mf"."product_info"("id") ON DELETE no action ON UPDATE no action;--> statement-breakpoint ALTER TABLE "mf"."product_group_membership" ADD CONSTRAINT "product_group_membership_group_id_product_group_info_id_fk" FOREIGN KEY ("group_id") REFERENCES "mf"."product_group_info"("id") ON DELETE no action ON UPDATE no action;