$result = mysql_query("TRUNCATE TABLE Users_And_Meals;
		       TRUNCATE TABLE Users_And_Lists;
                       TRUNCATE TABLE Users_And_Items;
                       TRUNCATE TABLE Users_And_Dates;
	               TRUNCATE TABLE Shopping_Lists;
                       TRUNCATE TABLE Meals_And_Items;
                       TRUNCATE TABLE Meals;
                       TRUNCATE TABLE Lists_And_Items;
                       TRUNCATE TABLE Items;
                       TRUNCATE TABLE Dates_And_Meals;
	               TRUNCATE TABLE Dates_And_Lists;
                       TRUNCATE TABLE Dates");