How to get next earliest date from today in sql? : Product | color | size | qty | Avail-date
   A        RED     XS    10   2018-05-24 ===> Today
   A        RED     XS    50   2018-05-29
   A        RED     XS    40   2018-04-01
   A        RED     XS    30   2018-05-26 ===> Target line to be pulled  