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1. ²éѯ2008¼¶Ñ§ÉúÖеÄÁô¼¶£¨»ò¸´¶Á£©Ñ§ÉúÐÅÏ¢ select * from ѧÉú
where Äê¼¶=2008 and year(½øÐ£Ê±¼ä)<2008
2. ²éѯÁúȪºÍº½¿Õ¸ÛÐ£ÇøµÄ°à¼¶¸öÊý¡£ select ËùÔڵصã, count(*) as °à¸öÊý from °à
group by ËùÔڵصã
3. ²éѯ2008¼¶Ñ§Éú¿Î³Ì´úÂëΪ1304µÄƽ¾ù×ÜÆÀ³É¼¨¡¢×ÜÆÀ³É¼¨µÄ×î¸ß·ÖºÍ×îµÍ·Ö¡£ select avg(×ÜÆÀ³É¼¨) as ƽ¾ù³É¼¨, max£¨×ÜÆÀ³É¼¨£© as ×î¸ß·Ö,min(×ÜÆÀ³É¼¨) as ×îµÍ·Ö from ³É¼¨
where ¿Î³Ì´úÂë=1304 and Äê¼¶=2008
4. ²éÕÒ2008¼¶¿Î³Ì1304×ÜÆÀ³É¼¨Îª100·ÖµÄѧÉúѧºÅ¡¢ÐÕÃû¡¢ÐÔ±ð¡¢×¨ÒµµÄ´úÂë¡£ select ѧÉú.ѧºÅ,ÐÕÃû,ÐÔ±ð,ѧÉú.רҵ fromѧÉú£¬³É¼¨
where ѧÉú.ѧºÅ=³É¼¨¡£Ñ§ºÅand ѧÉú.Äê¼¶=2008 and ¿Î³Ì´úÂë=1304 and ×ÜÆÀ³É¼¨=100
5. ²éÕÒ´óÆø¿ÆÑ§×¨ÒµµÄѧÉúѧºÅ¡¢ÐÕÃû¡¢ÐÔ±ð¡¢Äê¼¶¡¢½øÐ£Ê±¼ä¡£ select ѧÉú.ѧºÅ,ѧÉú.ÐÕÃû,ѧÉú.ÐÔ±ð,Äê¼¶,ѧÉú.½øÐ£Ê±¼ä from רҵ _£¬_ ѧÉú
where רҵÃû³Æ='´óÆø¿ÆÑ§' and רҵ.רҵ´úÂë=ѧÉú.רҵ
6.
²éѯѧÉúѧºÅ¡¢ÐÕÃû¡¢ÐÔ±ð¼°ËùÊô°àÈ«Ãû¡£ select ѧºÅ,ÐÕÃû,ÐÔ±ð,°àÈ«Ãû
from ѧÉú inner join °à on ѧÉú.רҵ=°à.ËùÊôרҵ andѧÉú¡£Äê¼¶=°à¡£Äê¼¶ and ѧÉú.°àÐòºÅ=°à.°àÐòºÅ 7.
²éѯ×ÜÆÀ³É¼¨ÔÚ50~60·ÖÖ®¼ä£¨²»°üº¬50ºÍ60£©µÄѧÉúѧºÅ¡¢ÐÕÃû¡¢ÐԱ𡢿γ̴úÂë¡¢×ÜÆÀ³É¼¨£¬²¢°´Ñ§ºÅµÄÉýÐòÏÔʾ¡£
select ѧÉú.ѧºÅ,ÐÕÃû,ÐÔ±ð,¿Î³Ì´úÂë,×ÜÆÀ³É¼¨ from ѧÉú inner join ³É¼¨ on ѧÉú.ѧºÅ=³É¼¨.ѧºÅ where ѧÉú.Äê¼¶=2008 and ×ÜÆÀ³É¼¨>50 and ×ÜÆÀ³É¼¨<60 order byѧÉú.ѧºÅ 8.
²éѯѧºÅΪ'2008011785'µÄѧÉúÐÕÃû¡¢¿Î³ÌÃû³Æ¡¢×ÜÆÀ³É¼¨¡£ select ÐÕÃû,¿Î³ÌÃû³Æ,×ÜÆÀ³É¼¨
from ѧÉú inner JOIN ³É¼¨ on ѧÉú.ѧºÅ=³É¼¨.ѧºÅ
inner join ¿Î³Ì on ³É¼¨¡£¿Î³Ì´úÂë=¿Î³Ì¡£¿Î³Ì´úÂë
where ³É¼¨.ѧºÅ='2008011785' 9.
²éѯ2008¼¶Æ½¾ù×ÜÆÀ³É¼¨Îª80·ÖÒÔÉÏ£¨º¬80·Ö£©µÄרҵ´úÂë¡£ select רҵas רҵ´úÂë from ³É¼¨ where Äê¼¶=2008 group by רҵ
-------------¸÷ÀàרҵºÃÎĵµ£¬ÖµµÃÄãÏÂÔØ£¬½ÌÓý£¬¹ÜÀí£¬ÂÛÎÄ£¬Öƶȣ¬·½°¸ÊֲᣬӦÓо¡ÓÐ-------------- -------------¸÷ÀàרҵºÃÎĵµ£¬ÖµµÃÄãÏÂÔØ£¬½ÌÓý£¬¹ÜÀí£¬ÂÛÎÄ£¬Öƶȣ¬·½°¸ÊֲᣬӦÓо¡ÓÐ-------------- having avg(×ÜÆÀ³É¼¨)>=80 10.
½«2008¼¶Í¬Ñ§°´ÕÕ×ÜÆÀ³É¼¨µÄƽ¾ù·Ö½µÐòÊä³ö¡£ select ѧºÅ,avg(×ÜÆÀ³É¼¨) from ³É¼¨ where Äê¼¶=2008 group by ѧºÅ
order by avg£¨×ÜÆÀ³É¼¨_£©desc 11.
²éѯ2008¼¶¿Î³Ì´úÂëΪ1304ÇÒÆ½¾ù³É¼¨ÔÚ80·ÖÒÔÉÏ£¨º¬80·Ö£©µÄרҵµÄ´úÂ뼰ƽ¾ù³É¼¨¡£ select רҵ,avg(×ÜÆÀ³É¼¨) as ƽ¾ù³É¼¨ from ³É¼¨
where Äê¼¶=2008 and ¿Î³Ì´úÂë=1304 group byרҵ
having avg(×ÜÆÀ³É¼¨)>=80 12.
²éѯѧºÅΪ¡®2008092929¡¯µÄѧÉúµÄ×ÜÆÀ³É¼¨±È¡®2008024763¡¯ºÅѧÉúµÄ×î¸ß×ÜÆÀ³É¼¨·ÖÊý»¹Òª¸ßµÄ¿Î³Ì´úÂë¡£ select ¿Î³Ì´úÂë from ³É¼¨
where ѧºÅ= '2008092929 ' and ×ÜÆÀ³É¼¨>all(select ×ÜÆÀ³É¼¨ 13.
from ³É¼¨
where ѧºÅ= '2008024763 ')
²éѯ2008¼¶Ñ§ÉúÖи÷ÃÅ¿Î³ÌµÄÆ½¾ù×ÜÆÀ³É¼¨Çé¿ö£¨¿Î³Ì´úÂë¡¢¿Î³ÌÃû³Æ¡¢Æ½¾ù³É¼¨¡¢Ñ¡¿ÎÈËÊý£©£¬²¢°´ÕÕÆ½¾ù×ÜÆÀ³É¼¨½µÐòÅÅÁÐÊä³ö¡£
select b.¿Î³Ì´úÂë,b.¿Î³ÌÃû³Æ,a.ƽ¾ù³É¼¨,a.Ñ¡¿ÎÈËÊý
from (select ¿Î³Ì´úÂë,avg(×ÜÆÀ³É¼¨) as ƽ¾ù³É¼¨,count(ѧºÅ) as Ñ¡¿ÎÈËÊý
from ³É¼¨ where Äê¼¶=2008
group by ¿Î³Ì´úÂë) as a ,¿Î³Ì as b
where a.¿Î³Ì´úÂë=b.¿Î³Ì´úÂë order by a.ƽ¾ù³É¼¨ desc 14.
²éÕÒ²¢ÏÔʾµç×ÓÐÅÏ¢¹¤³Ìרҵ2008¼¶Í¬Ñ§¼ÆËã»úÎÄ»¯»ù´¡¿Î³ÌµÄ×î¸ß·Ö¡¢×îµÍ·ÖºÍƽ¾ù·Ö¡£ select max(×ÜÆÀ³É¼¨) as ×î¸ß·Ö,min(×ÜÆÀ³É¼¨) as ×îµÍ·Ö,avg(×ÜÆÀ³É¼¨) as ƽ¾ù·Ö from ³É¼¨ where Äê¼¶=2008 15.
and רҵ=(select רҵ´úÂë from רҵ where רҵÃû³Æ='µç×ÓÐÅÏ¢¹¤³Ì') and ¿Î³Ì´úÂë=(select ¿Î³Ì´úÂë from ¿Î³Ì where ¿Î³ÌÃû³Æ='¼ÆËã»úÎÄ»¯»ù´¡')
¸´ÖÆ2008¼¶Æ½¾ù×ÜÆÀ³É¼¨ÔÚ85·ÖÒÔÉϵÄѧÉúÐÅÏ¢£¨Ñ§ºÅ¡¢ÐÕÃû¡¢×¨ÒµµÄ´úÂ롢ƽ¾ù×ÜÆÀ³É¼¨£©µ½±ígoodbaby¡£ select b.ѧºÅ,a.ÐÕÃû,a.רҵ,b.¾ù³É¼¨ into goodbaby
from ѧÉú a,(select ѧºÅ,avg(×ÜÆÀ³É¼¨) asƽ¾ù×ÜÆÀ³É¼¨ from ³É¼¨ where Äê¼¶=2008 group by ѧºÅ
having avg(×ÜÆÀ³É¼¨)>=85) b where a.ѧºÅ=b.ѧºÅ
16. ¸´ÖÆ2008¼¶Æ½¾ù×ÜÆÀ³É¼¨ÔÚ70·ÖÒÔÏÂÇÒÓÐ3ÃÅ(º¬3ÃÅ)²»¼°¸ñµÄѧÉúÐÅÏ¢£¨Ñ§ºÅ,ƽ¾ù³É¼¨,²»¼°¸ñÃÅÊý£©µ½±í
-------------¸÷ÀàרҵºÃÎĵµ£¬ÖµµÃÄãÏÂÔØ£¬½ÌÓý£¬¹ÜÀí£¬ÂÛÎÄ£¬Öƶȣ¬·½°¸ÊֲᣬӦÓо¡ÓÐ-------------- -------------¸÷ÀàרҵºÃÎĵµ£¬ÖµµÃÄãÏÂÔØ£¬½ÌÓý£¬¹ÜÀí£¬ÂÛÎÄ£¬Öƶȣ¬·½°¸ÊֲᣬӦÓо¡ÓÐ-------------- badbaby¡£
select a.ѧºÅ,ƽ¾ù³É¼¨,²»¼°¸ñÃÅÊý into badbaby
from (select ѧºÅ,avg(×ÜÆÀ³É¼¨) as ƽ¾ù³É¼¨
from ³É¼¨ where Äê¼¶=2008 group by ѧºÅ
having avg(×ÜÆÀ³É¼¨)<70) a,
(select ѧºÅ,count(¿Î³Ì´úÂë) as ²»¼°¸ñÃÅÊý
from ³É¼¨
where Äê¼¶=2008 and ×ÜÆÀ³É¼¨<60 group by ѧºÅ
having count(¿Î³Ì´úÂë)>=3) b
where a.ѧºÅ=b.ѧºÅ 17.
±àд³ÌÐòʵÏÖ[1£¬40]µÄÆæÊýƽ·½ºÍ¸³x£¬Å¼Êýƽ·½ºÍ¸³y£¬²¢Êä³öx£¬yµÄÖµ¡£ declare @x int,@y int,@i int select @i=1,@x=0,@y=0 While @i<=40 begin end
select @x as 'ÆæÊýµÄƽ·½ºÍ',@y as 'żÊýµÄƽ·½ºÍ' 18.
±àд³ÌÐò¼ÆËã1-5000Ö®¼ä(º¬1ºÍ5000)ËùÓÐÄܱ»9Õû³ýµÄÊýµÄ¸öÊý¼°×ܺ͡£ declare @i int,@zonghe int,@n int set @i=1 set @zonghe=0 set @n=0 While @i<=5000 begin end
select @n as '¸öÊý',@zonghe as '×ܺÍ' 19.
¼ÆËã1-9999ÒÔÄÚµÄËùÓÐÍêȫƽ·½Êý£¨Èç36=6*6£¬Ôò³Æ36ΪÍêȫƽ·½Êý£©µÄ×ܺͼ°¸öÊý¡£ declare @i int,@zonghe int,@n int set @i=1
if @i %9=0 begin end set @i=@i+1
set@zonghe=@zonghe + @i set @n=@n+1 if @i%2=0 else
set @x=@x+@i*@i set @y=@y+@i*@i
set @i = @i + 1
-------------¸÷ÀàרҵºÃÎĵµ£¬ÖµµÃÄãÏÂÔØ£¬½ÌÓý£¬¹ÜÀí£¬ÂÛÎÄ£¬Öƶȣ¬·½°¸ÊֲᣬӦÓо¡ÓÐ-------------- -------------¸÷ÀàרҵºÃÎĵµ£¬ÖµµÃÄãÏÂÔØ£¬½ÌÓý£¬¹ÜÀí£¬ÂÛÎÄ£¬Öƶȣ¬·½°¸ÊֲᣬӦÓо¡ÓÐ-------------- set @zonghe=0 set @n=0
while @i*@i<=9999 begin
set @zonghe=@zonghe + @i*@i set @n=@n+1 set @i = @i + 1
end select @zonghe as '×ܺÍ',@n as '¸öÊý' 20.
ͨ¹ýwhileÑ»·¼ÆËã10£¡¡£ declare @n tinyint,@½×³Ë int set @n=1 set @½×³Ë_= 1 while @n<=10 begin end select @½×³Ë 21.
Íê³É³ÌÐòÒÀ´ÎÏÔʾ×ÖĸA~Z£¨Ò»ÐÐÏÔʾһ¸ö×Öĸ£©¡£ declare @i int set @i=0 while @i<24 begin end 22.
Íê³É³ÌÐòÒÀ´ÎÏÔʾ×ÖĸZ~A£¨Ò»ÐÐÏÔʾһ¸ö×Öĸ£©¡£ declare @i int set @i=0 while @i<24 begin end 23.
²éѯ2008¼¶ËùÓÐͬѧµÄѧºÅ¡¢×ÜÆÀ³É¼¨µÄƽ¾ù·Ö¡¢µÈ¼¶£¨90·ÖÒÔÉÏA£¬80-90ΪB£¬70-80ΪC£¬60-70ΪD£¬60·ÖÒÔÏÂΪE£©£¬²¢°´Õյȼ¶ÉýÐòÊä³ö£¨¼´ÏÈÊä³öA¼¶Ñ§Éú£¬ÔÙÊä³öB¼¶Ñ§Éú£¬×îºóÊä³öE¼¶Ñ§Éú£©¡£ select ѧºÅ,avg(×ÜÆÀ³É¼¨) as ƽ¾ù³É¼¨,
(case when avg(×ÜÆÀ³É¼¨)>=90 then 'A'
when avg(×ÜÆÀ³É¼¨)>=80 AND avg(×ÜÆÀ³É¼¨)<90 then 'B' when avg(×ÜÆÀ³É¼¨)>=70 AND avg(×ÜÆÀ³É¼¨)<80 then 'C' when avg(×ÜÆÀ³É¼¨)>=60 AND avg(×ÜÆÀ³É¼¨)<70 then 'D' ELSE 'E' end) AS µÈ¼¶
print char(ascii(¡®Z¡¯)-@i) set @i = @i+1
print char£¨ascii£¨¡®A¡¯£©+@i£© set @i=@i+1
set @½×³Ë=@½×³Ë*@n set @n=@n+1
from ³É¼¨
-------------¸÷ÀàרҵºÃÎĵµ£¬ÖµµÃÄãÏÂÔØ£¬½ÌÓý£¬¹ÜÀí£¬ÂÛÎÄ£¬Öƶȣ¬·½°¸ÊֲᣬӦÓо¡ÓÐ-------------- -------------¸÷ÀàרҵºÃÎĵµ£¬ÖµµÃÄãÏÂÔØ£¬½ÌÓý£¬¹ÜÀí£¬ÂÛÎÄ£¬Öƶȣ¬·½°¸ÊֲᣬӦÓо¡ÓÐ-------------- where Äê¼¶=2008 group by ѧºÅ order by µÈ¼¶ 24.
ÏÔʾ½ñÌìÊǵڼ¸¼¾¶È£¬Êä³ö¸ñʽΪ¡°µÚÒ»¼¾¶È¡±¡¢¡°µÚ¶þ¼¾¶È¡±¡¢¡°µÚÈý¼¾¶È¡±¡¢¡°µÚËļ¾¶È¡±¡£ declare @¼¾¶È tinyint
set @¼¾¶È= datepart(q,getdate()) select (case @¼¾¶È
when 1 then 'µÚÒ»¼¾¶È' when 2 then 'µÚ¶þ¼¾¶È' when 3 then 'µÚÈý¼¾¶È'
when 4 then 'µÚËļ¾¶È' end) as ½ñÌìÊÇ
-------------¸÷ÀàרҵºÃÎĵµ£¬ÖµµÃÄãÏÂÔØ£¬½ÌÓý£¬¹ÜÀí£¬ÂÛÎÄ£¬Öƶȣ¬·½°¸ÊֲᣬӦÓо¡ÓÐ--------------
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