--unpivot 语法SELECT[columns not unpivoted],[unpivot_column],[value_column],FROM(<source query>)AS<aliasforthe source data>UNPIVOT([value_column]FOR[unpivot_column]IN(<column_list>))AS<aliasforunpivot>Where:--[c
usesSalesData+string SalesPerson+string SalesCategory+decimal AmountDynamicSQL+string QueryString+string Columns+void FetchColumns()+void BuildQuery()+void Execute() 旅行图 接着,我们使用 Mermaid 的旅行图展示实现的流程: journey title 动态获取 PIVOT IN 条件值的实现 section Step 1: 获取唯一值 获取Sales...
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...
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...
( SELECT query producing sql data for pivot -- select pivot columns as dimensions and -- value columns as measures from sql tables ) AS TableAlias PIVOT ( <aggregation function>(column for aggregation or measure column) -- MIN,MAX,SUM,etc FOR [] IN ( [first pivoted column], ..., [...
for [Month] in (' + @cols + ') ) p ' EXECUTE(@query) 这个查询的核心是使用了动态SQL语句来生成Pivot查询。首先,我们使用STUFF函数和XML PATH来生成一个包含所有月份的逗号分隔列表。然后,我们将这个列表插入到查询字符串中,以生成Pivot查询。 在这个查询中,我们使用了EXECUTE函数来执行动态SQL语句。这个函...
1--Perform the same query with the native PIVOT operator.2--The grouping column is not specified explicitly, it's the remaining column3--that is not referenced in the spreading and aggregation elements.4SELECT5RecordID,6FirstName,7LastName,8City,9Country10FROMEAVTable11PIVOT(MAX(Value)FORElem...
The Execute command will run the query variable as a query. You should get the same result as above: 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 PIV...
T-SQL Pivot Syntax SELECT [non-pivoted column], -- optional [additional non-pivoted columns], -- optional [first pivoted column], [additional pivoted columns] FROM ( SELECT query producing sql data for pivot -- select pivot columns as dimensions and ...
然後,指定 CROSS APPLY 運算子,以便將計畫控制代碼傳遞給 sys.dm_exec_query_plan。 目前在計畫快取中的每項計畫之 XML 顯示計畫輸出,都是在傳回的資料表之 query_plan 資料行中。 SQL 複製 USE master; GO SELECT dbid, object_id, query_plan FROM sys.dm_exec_cached_plans AS cp CROSS APPLY sys....