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...
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 (1, 4, 3, 5, 4, 4); INSERT INTO pvt VALUES (2, 4, 1, 5, 5, 5); ...
从SQL中可以看出PIVOT有两个步骤 An aggregate function, which will aggregate if multiple values exist. In the initial SELECT statement that returns product data, there were many duplicate rows. This example uses SUM whenever this occurs, which will add up product quantities if there are multiple ro...
AI代码解释 SELECT<non-pivoted column>,[first pivoted column]AS<column name>,[second pivoted column]AS<column name>,...[last pivoted column]AS<column name>FROM(<SELECTquery that produces the data>)AS<aliasforthe source query>PIVOT(<aggregationfunction>(<column being aggregated>)FOR[<column that...
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...
Here's the query. SQL Copy -- 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 (1, 4, 3, 5, 4, 4); INSERT INTO pvt VALUES (2, 4,...
syntaxsql SELECT[<non-pivoted column>[AS<column name>] , ] ... [[AS<column name>] , ] [<new output column created for values in result of the source query>[AS<column name>] ]FROM(<SELECT query that produces the data>)AS<alias for the source query>UNPIVOT(<new output column creat...
The MySQL database does not support the SQLPIVOToperator. To create SQL pivot tables in MySQL, you must use theCASEstatement with conditional aggregation.For example, the query below will create a pivot table to aggregate the data by the sum of sales for different years, grouped and ordered ...
Age calculation in report builder query Aggregated CASE expressions versus the PIVOT operator… Is one better than the other? Aging Report SQL Query Alias all columns in a given table Alias column with variable value in SQL Script All MonthNames and Month numbers in sql server All queries combine...
这意味着必须标识另外两个列。包含要旋转的列值(Emp1、Emp2...)的列将被称为 Employee,将保存当前位于待旋转列下的值的列被称为 Orders。这些列分别对应于 Transact-SQL 定义中的 pivot_column 和 value_column。以下为该查询。 --Create the table and insert values as portrayed in the previous example....