Explain how to solve

Country

$\backslash$table$[[-$ ISOCode$2,$Name,Capital,Area,Population,PopDensity$],[$TH$,$Thailand,Bangkok,$197300,69428524,351\mathrm{.}97],[$MN$,$Mongolia,Ulaanbaatar,$599800,3170208,5\mathrm{.}29],[$MZ$,$Mozambique,Maputo,$303600,29495962,97\mathrm{.}15]]$

Complete the query to order all rows by Area in ascending order, then by PopDensity in ascending order. Write the most straightforward code.

SELECT $*$

EROM Country