18 lines
444 B
SQL
18 lines
444 B
SQL
-- 检查学生数据
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SELECT
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ca.id,
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ca.student_id,
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u.user_id,
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u.nick_name,
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u.user_name
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FROM course_assignment ca
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LEFT JOIN sys_user u ON ca.student_id = u.user_id
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WHERE ca.student_id IN (1011, 9535, 116, 1013, 9534, 9538)
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ORDER BY ca.student_id;
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-- 检查sys_user表中是否有这些用户
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SELECT user_id, nick_name, user_name, remark
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FROM sys_user
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WHERE user_id IN (1011, 9535, 116, 1013, 9534, 9538)
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ORDER BY user_id;
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