The "E" In E-1 means "enlisted" even though the "1" implies the paygrade for that placement. Another pay types are "W" for warrant officers and "O" for commissioned officers. Some enlisted paygrades have two ranks. There are numerous use instances by which you could need to rank rows in SQL. https://www.seoclerk.com/Link-Building/371800/GIGA-SEO-PACKAGE-POWERFUL-BACKLINKS