groupby的意思
groupby中文翻譯:
Groupby
grow up with───和……一起長大
footpaths background───人行道背景
growable ores───可生長礦石
green bird group───青鳥集團
pm group───pm組
group technology───[自]成組技術,[機]組合工藝學;組合工藝學,群組技術,成組工藝學
form a group───形成一個群體;形成一個小組
grogginess definition───模糊定義
spirals in pacific grove───太平洋格羅夫的螺旋
grow a bread───種個面包
Indicates that the data column is being used to create a grouped result set (is part of a GROUP BY clause) in an aggregate query.───表示數據列用于在聚合查詢中創建分組的結果集(GROUPBY子句的一部分)。
Therefore, you can use a data column in a WHERE clause even if it is not part of the GROUP BY clause or contained in an aggregate function.───所以,即使數據列不是GROUPBY子句的一部分或者不包含在聚合函數中,也可以在WHERE子句中使用它。
One of these operators (shown on the lower branch in Figure 4) feeds a Group By operator, which performs the aggregations shown in Table 1.───其中一個操作符(圖4中下方的分支)為一個GroupBy操作符提供輸入,后者執行表1中所示的聚合。
If the associated data column is part of a GROUP BY clause, the expression you enter is used for a HAVING clause.───如果關聯的數據列是GROUPBY子句的一部分,則輸入的表達式用于HAVING子句。
A query can use an indexed view in its execution plan even if it does not satisfy these GROUP BY restrictions.───即使一個索引視圖不滿足這些GROUPBY限制,查詢也可以在其執行計劃中使用該視圖。
Use the Group by drop-down menu on the right-side panel (Figure 21) to switch to the Folders view (if it is not the view already selected).───使用在右邊面板的Groupby拉下菜單(圖21)以切換到Folders視圖(如果它不是目前已選擇的視圖)。
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