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ÓÃcase then

case when

SQL code:

select ×Ö¶ÎÃû=

case when ³É¼¨ > 60 then '¼°¸ñ'

case when ³É¼¨ > 80 then 'ÓÅÐã'

case when ³É¼¨ < 60 then '²»¼°¸ñ'

end from ±íÃû




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case when

·Ç³£ÕýÈ·

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SQL code:

--Äã˵µÄÊÇ3¸ö×Ö¶ÎÊÇÓïÎÄ£¬Êýѧ£¬Ó¢Óï
--ÄDZí¾ÍÓ¦¸ÃÊÇ£º
-- YuWen YinYu ShuXue
-- 70 58 80
-- .. .. ..
-- .. .. ..

select
case
when YuWen <60 then '²»¼°¸ñ'
when YuWen>=60 and YuWen<=70 then '¼°¸ñ'
when YuWen>=80 then 'ÓÅÐã'
end 'YuWen',
case
when YinYu <60 then '²»¼°¸ñ'
when YinYu>=60 and YinYu<=70 then '¼°¸ñ'
when YinYu>=80 then 'ÓÅÐã'
end 'YinYu',case
when ShuXue <60 then '²»¼°¸ñ'
when ShuXue>=60 and ShuXue<=70 then '¼°¸ñ'


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