CREATE TABLE "users" (
	"id" int,
	"email" varchar(255),
	"password" varchar(255)
);
CREATE TABLE "admins" (
	"id" int,
	"email" varchar(255),
	"password" varchar(255)
);
CREATE TABLE "cards" (
	"id" int,
	"card_number" varchar(255),
	FOREIGN KEY("card_number") REFERENCES "card" ("number")
);
CREATE TABLE "statuses" (
	"id" int,
	"user_id" int,
	"card_id" int,
	"online_count" int,
	"online_at" datetime,
	"offline_at" datetime,
	"status" bool,
	"value" int,
	FOREIGN KEY("user_id") REFERENCES "users" ("id"),
	FOREIGN KEY("card_id") REFERENCES "cards" ("id")
);