SQL with rollup 、with cube、grouping 统计函数用法

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DECLARE @T TABLE(名称 VARCHAR(1) , 出版商 VARCHAR(10),  价格1  INT, 价格2 INT)
INSERT @T
SELECT 'a',  '北京',  11,  22 UNION ALL
SELECT 'a',  '四川',  22,  33 UNION ALL
SELECT 'b',  '四川',  12,  23 UNION ALL
SELECT 'b',  '北京',  10,  20 UNION ALL
SELECT 'b',  '昆明',  20,  30
SELECT
名称,
出版商,
SUM(价格1) AS 价格1,
SUM(价格2) AS 价格2,
GROUPING(名称) AS CHECK名称,
GROUPING(出版商) AS CHECK出版商
FROM @T GROUP BY 名称,出版商 WITH CUBE

SELECT
名称,
出版商,
SUM(价格1) AS 价格1,
SUM(价格2) AS 价格2
FROM @T GROUP BY 名称,出版商 WITH ROLLUP