mysql 求通过率 用float表示出来。求大神帮忙，急。。。
- WBOYOriginal
- 2016-06-06 09:43:01904browse
mysql
select ((select COUNT(ut.status) from user_test ut where ut.userid=252 and ut.status=1)/(COUNT(ut.status))) as '考试通过率'
from user_test ut
where ut.userid=252 我求的是通过率，要怎么把select后面查询出的结果用float表示。
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