CUBE appears in the GROUP BY clause in a SELECT statement. Its form is: 代码解读 SELECT … GROUP BY CUBE (grouping_column_reference_list) 1. Example 21-4 CUBE 代码解读 SELECT channel_desc, calendar_month_desc, countries.country_is...
CUBEappears in theGROUPBYclause in aSELECTstatement. Its form is: SELECT … GROUP BY CUBE (grouping_column_reference_list) Example 21-4 CUBE SELECT channel_desc, calendar_month_desc, countries.country_iso_code, TO_CHAR(SUM(amount_sold), '9,999,999,999') SALES$ FROM sales, customers, ti...
SQL Server GROUP BY with HAVING Example In the next example, we use the same group by, but we limit the data using HAVING which filters the data. In the examples below, for the first query we only want to see Departments where the total equals 16000 and for the second where ...
E. Using GROUP BY CUBE In the following example, the CUBE operator returns a result set that has one grouping for all possible combinations of columns in the CUBE list and a grand total grouping. Copy USE AdventureWorks2008R2; GO SELECT T.[Group] AS N'Region', T.CountryRegionCode AS ...
CUBE ( a, b, c )等价于如下GROUPING SETS语句 GROUPING SETS ( ( a, b, c ), ( a, b ), ( a, c ), ( a ), ( b, c ), ( b ), ( c ), ( ) ) example 下面是一个实际数据的例子 > SELECT * FROM t; +---+---+---+ | k1 | k2 ...
The number of groupings that is generated equals (2n), where n = the number of expressions in the <composite element list>. For example, consider the following statement. SELECT a, b, c, SUM (<expression>) FROM T GROUP BY CUBE (a,b,c); ...
GROUP BY子句是用來根據一組指定的群組表達式來分組數據列,並根據一或多個指定的聚合函數,在數據列群組上計算匯總。 Databricks SQL 也支援進階匯總,透過 、 CUBEROLLUP 子句針對相同的輸入記錄集GROUPING SETS執行多個匯總。群組表達式和進階匯總可以在 子句中 GROUP BY 混合,並巢狀在 子句中 GROUPING SETS。
For example,GROUP BY ROLLUP (Country, Region)andGROUP BY GROUPING SETS ( ROLLUP (Country, Region) )return the same results. When GROUPING SETS has two or more elements, the results are a union of the elements. This example returns the union of the ROLLUP and CUBE results for Country and...
2.2 CUBE CUBEis a shorthand notation for specifying a common type of grouping set. It represents the given list and all of its possible subsets - the power set. For example, the following two queries are equivalent. SELECTsupplier_id, rating, product_id,COUNT(*)FROM(VALUES('supplier1','pr...
是用于在SQL查询中进行聚合计算和分组的两个关键字。 1. SQL SUM:SUM是一个聚合函数,用于计算指定列的总和。它可以用于数值型列,如整数、浮点数等。使用SUM函数时,需要在SELECT语句...