1.数据准备 --Create the table and insert values as portrayed in the previous example.CREATETABLEpvt (VendorIDint, Emp1int, Emp2int, Emp3int, Emp4int, Emp5int);GOINSERTINTOpvtVALUES(1,4,3,5,4,4);INSERTINTOpvtVALUES(2,4,1,5,5,5);INSERTINTOpvtVALUES(3,4,3,5,4,4);INSERTINTOpv...
这些列分别对应于 Transact-SQL 定义中的 pivot_column 和 value_column。 查询如下。 SQL 复制 -- Create the table and insert values as portrayed in the previous example. CREATE TABLE pvt ( VendorID INT, Emp1 INT, Emp2 INT, Emp3 INT, Emp4 INT, Emp5 INT); GO INSERT INTO pvt VALUES ...
With this example, your column headers are generated based on the values in the table. SQL Server UNPIVOT SQL Server also offers an UNPIVOT feature. This is almost the reverse of the PIVOT feature. The UNPIVOT feature will rotate columns into rows. For our example, let’s say we had the ...
包含您要旋轉之資料列值的資料列值會Emp1Emp2呼叫Employee,而儲存目前存在於所旋轉資料行下之值的數據行則稱為Orders。 在 Transact-SQL 定義中,這些資料行分別對應到pivot_column和value_column。 以下是查詢。 SQL -- Create the table and insert values as portrayed in the previous example.CREATETABLEpvt ...
from student_score)assourceTablepivot(AVG(score)forstudentIdin([001],[002],[003],[004]))aspivotTable 3.效果 示例2:unpivot 1.数据准备 代码语言:javascript 代码运行次数:0 运行 AI代码解释 --Create the table and insert valuesasportrayedinthe previous example.CREATETABLEpvt(VendorID int,Emp1 in...
SUM(SalesYTD) FOR [Group] IN (' + STUFF(REPLACE(@columns, ', p.[', ',['), 1, 1, '') + ') ) AS p;'; PRINT @sql; EXEC sp_executesql @sql; Here is another example. DECLARE @columns NVARCHAR(MAX), @sql NVARCHAR(MAX); ...
Este exemplo usa UNPIVOT em relação aos resultados dinâmicos criados a partir de Complex PIVOT Example acima.U-SQL Copiar @pivotedResults = EXTRACT VendorID int, Emp1 int, Emp2 int, Emp3 int, Emp4 int, Emp5 int FROM "/ReferenceGuide/DML/FROM/PIVOT/pivotComplex.txt" USING Extrac...
An interesting thing about the PIVOT operator is that it does not include a grouping element. The grouping element is “everything else” that is not a spreading or an aggregating element. In our example, the grouping element is theShipCountrycolumn selected in the table expression. ...
The PIVOT Keyword in Oracle SQL Simple PIVOT Example Specifying Grouped Columns Using the WHERE Clause with PIVOT Aliasing PIVOT Columns Perform Multiple Aggregations Group By Multiple Columns PIVOT Example with XML Dynamically Specifying Columns
In this example, only the invoices from January. The revenues of the other months can be obtained in the same way. To make the query more literate, the extract expression can be moved to a central location. That could be a generated column or a view so that other queries could reuse ...