“Zählen Sie den Datensatz in gleicher Namensbedingung” Code-Antworten

Zählen Sie den Datensatz in gleicher Namensbedingung

select  t1.candidate
from (select count(Winner_loser_indic) as win, candidate from election where Winner_loser_indic ='W' group by candidate) t1
  inner join (select count(Winner_loser_indic) as lose, candidate from election where Winner_loser_indic ='L' group by candidate) t2
     on t1.candidate = t2.candidate
where t1.win = t2.lose