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【单选题】
In the relation of tblVideo(Video_Code, Title, Status, Category, Director, Released) , Which SQL Command can find the movies that were released before 1980, show Title, Category, Director and Release date and sort by title?A.
Select Title,Category,Director,Released From tblVideo where Released>1980 order by Title;
B.
Select Title , Category , Director , Released From tblVideo where Released <= 1980 order by Title desc;
C.
Select * where Released = 1980 order by Title;
D.
Select Title , Category , Director , Released From tblVideo where Released < 1980 order by Title ;
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A.
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B.
错误
【单选题】发动机在装配过程中,要做到()不落地,()不落地和()不落地,并保持工作台,工件盘和工、量具的()
A.
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C.
工件、清洁、油渍、工件、
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