题目数据
要求查询结果为:
使用连接:
结果:
SELECT t1.time,t1.win,t2.false FROM (SELECT TIME ,COUNT(result) AS win FROM DATE WHERE result='win' GROUP BY TIME )AS t1
LEFT JOIN
(SELECT TIME ,COUNT(result) AS 'false' FROM DATE WHERE result='false' GROUP BY TIME ) AS t2 ON t1.time=t2.time