liuyong2730
- 在2020年06月07日加入
- 点赞能量: 100%
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总结很棒
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hujiahao
2020-06-22
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👍
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默念641
2020-06-13
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这么写感觉更简洁：
selectstu_name,
ifnull(sum(lesson_name="语文")*score,0)语文,
ifnull(sum(lesson_name="数学")*score,0)数学,
ifnull(sum(lesson_name="英语")*score,0)英语,
ifnull(sum(lesson_name="物理")*score,0)物理,
ifnull(sum(lesson_name="化学")*score,0)化学,
sum(score)总分
fromt_stu_profilerightjoint_scoreleftjoint_lesson
ont_score.lesson_id=t_lesson.lesson_id
ont_score.stu_id=t_stu_profile.stu_id
whereclass_id='0611'andgender....
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liting李
2020-06-13
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