什么是非学生,律师或教育工作者的职业?按降序字母顺序列出它们?
SELECT Occupation
FROM Viewer
WHERE occupation NOT IN 'student,lawyer,educator'
ORDER BY occupation desc;
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我一直在收到错误.我究竟做错了什么?
获取所有喜剧或恐怖电影的电影片名,将输出属性名称重命名为"Happily Scared"
SELECT comedy,horror
FROM movie
ALTER TABLE comedy,horror RENAME TO Happily Scared
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我一直在sql查询中收到错误.它出什么问题了?