makes sense. rather than have an ever expanding user table with multiple columns, save attributes as rows. example. thing table, user id 1, 2, 3: data table us

makes sense. rather than have an ever expanding user table with multiple columns, save attributes as rows. example. thing table, user id 1, 2, 3: data table user id 1, attribute name, value mike user id 1, attribute address, value Chicago.