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case when 返回不同类型的字段不同

2025-03-31 07:14:09

推荐回答（1个）

回答1：

max(case
when a.coursename = '思想' and
a.termid = '0' and a.kcscore is null then
case (a.zhscore as 类型)
when a.coursename = '思想'and
a.termid = '0' and a.kcscore is not null then
case（ a.kcscore as 类型）
end) 思想

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