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sqlС¼Æ»ã×Ü rollupÓ÷¨ÊµÀý·ÖÎö

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CREATE TABLE tb(province nvarchar(10),city nvarchar(10),score int)
INSERT tb SELECT 'ÉÂÎ÷','Î÷°²',3
UNION ALL SELECT 'ÉÂÎ÷','°²¿µ',4
UNION ALL SELECT 'ÉÂÎ÷','ººÖÐ',2
UNION ALL SELECT '¹ã¶«','¹ãÖÝ',5
UNION ALL SELECT '¹ã¶«','Ö麣',2
UNION ALL SELECT '¹ã¶«','¶«Ý¸',3
UNION ALL SELECT '½­ËÕ','ÄϾ©',6
UNION ALL SELECT '½­ËÕ','ËÕÖÝ',1
GO
1¡¢ Ö»ÓÐÒ»¸ö»ã×Ü
select province as Ê¡,sum(score) as ·ÖÊý from tb group by province with rollup
½á¹û£º
¹ã¶« 10
½­ËÕ 7
ÉÂÎ÷ 9
NULL 26
select case when grouping(province)=1 then 'ºÏ¼Æ' else province end as Ê¡,sum(score) as ·ÖÊý from tb group by province with rollup
½á¹û£º
¹ã¶« 10
½­ËÕ 7
ÉÂÎ÷ 9
ºÏ¼Æ 26
2¡¢Á½¼¶£¬ÖмäС¼Æ×îºó»ã×Ü
select province as Ê¡,city as ÊÐ,sum(score) as ·ÖÊý from tb group by province,city with rollup
½á¹û£º
¹ã¶« ¶«Ý¸ 3
¹ã¶« ¹ãÖÝ 5
¹ã¶« Ö麣 2
¹ã¶« NULL 10
½­ËÕ ÄϾ© 6
½­ËÕ ËÕÖÝ 1
½­ËÕ NULL 7
ÉÂÎ÷ °²¿µ 4
ÉÂÎ÷ ººÖÐ 2
ÉÂÎ÷ Î÷°² 3
ÉÂÎ÷ NULL 9
NULL NULL 26
select province as Ê¡,city as ÊÐ,sum(score) as ·ÖÊý,grouping(province) as g_p,grouping(city) as g_c from tb group by province,city with rollup
½á¹û£º
¹ã¶« ¶«Ý¸ 3 0 0
¹ã¶« ¹ãÖÝ 5 0 0
¹ã¶« Ö麣 2 0 0
¹ã¶« NULL 10 0 1
½­ËÕ ÄϾ© 6 0 0
½­ËÕ ËÕÖÝ 1 0 0
½­ËÕ NULL 7 0 1
ÉÂÎ÷ °²¿µ 4 0 0
ÉÂÎ÷ ººÖÐ 2 0 0
ÉÂÎ÷ Î÷°² 3 0 0
ÉÂÎ÷ NULL 9 0 1
NULL NULL 26 1 1
select case when grouping(province)=1 then 'ºÏ¼Æ' else province end Ê¡,
case when grouping(city)=1 and grouping(province)=0 then 'С¼Æ' else city end ÊÐ,
sum(score) as ·ÖÊý
from tb group by province,city with rollup
½á¹û£º
¹ã¶« ¶«Ý¸ 3
¹ã¶« ¹ãÖÝ 5
¹ã¶« Ö麣 2
¹ã¶« С¼Æ 10
½­ËÕ ÄϾ© 6
½­ËÕ ËÕÖÝ 1
½­ËÕ Ð¡¼Æ 7
ÉÂÎ÷ °²¿µ 4
ÉÂÎ÷ ººÖÐ 2
ÉÂÎ÷ Î÷°² 3
ÉÂÎ÷ С¼Æ 9
ºÏ¼Æ NULL 26
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