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...
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 ...
将调用Employee包含要旋转的列值的列值(Emp1Emp2等等),并调用Orders保存当前存在于要旋转的列下的值的列。 这些列分别对应于 Transact-SQL 定义中的 pivot_column 和 value_column。 查询如下。 SQL -- Create the table and insert values as portrayed in the previous example.CREATETABLEpvt ( VendorIDINT,...
AI代码解释 --Create the table and insert valuesasportrayedinthe previous example.CREATETABLEpvt(VendorID int,Emp1 int,Emp2 int,Emp3 int,Emp4 int,Emp5 int);GOINSERTINTOpvtVALUES(1,4,3,5,4,4);INSERTINTOpvtVALUES(2,4,1,5,5,5);INSERTINTOpvtVALUES(3,4,3,5,4,4);INSERTINTOpvtVALUES...
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); ...
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 ...
You can of course use this SQL in your C# apps and then bind it to, for example, a datagrid. static void Main(string[] args) { string cs = @"Data Source=<your server>;Initial Catalog=<your database>;Integrated Security=SSPI"; ...
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 ...
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 ...
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...