That’s how you can do a pivot table in SQL Server. You can change the columns and rows to use by changing your query, but we’ve seen the general structure here. Dynamic PIVOT Columns In the earlier example, we generated a pivot table. However, we needed to specify each of the colu...
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,...
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 ...
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 ...
...unpivot 将列转换为列值 语法 SELECT , [first pivoted column] AS ,...[last pivoted column]) ) AS pivot table> ; 示例1:pivot 1.数据准备...示例2:unpivot 1.数据准备 -- Create the table and insert values as portrayed in the previous example...2.使用示例 -- Unpivot the table. ...
。这些列分别对应于 Transact-SQL 定义中的 pivot_column 和 value_column。该查询如下所示: --Create the table and insert values as portrayed in the above example. CREATE TABLE pvt (VendorID int, Emp1 int, Emp2 int, Emp3 int, Emp4 int, Emp5 int) ...
Let’s take a look at the student grade use case with a simple example. The screenshot below shows student results in a SQL Server database. Not all students have had their grades entered, and in order to add the remaining grades, the teacher can use thepivoting featurein theSQL Spreads...
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"; ...
Add PIVOT operator.The pivot operator returns a table result – in our example, the table result has alias PVT. Include aggregate function applied to the aggregate element –SUM(Freight). Include theFORclause and the spreading column –FOROrderYear. ...
Hopefully the example above will bring clarity for pivoting on two or more fields. It should be considered whether to transform the data in SQL Server or the client, as there are tradeoffs to each approach. The PIVOT function would likely have a performance impact on the query based on ...