syntaxsql复制 FROM{<table_source>[ , ...n ] }<table_source>::={ [database_name. [schema_name] . |schema_name. ]table_or_view_name[AS]table_or_view_alias[<tablesample_clause>] |derived_table[AS]table_alias[ (column_alias[ , ...n ] ) ] |<joined_table>}<tablesample_clause>:...
<last pivoted column> ) ) AS <alias for the pivot table> [ <optional ORDER BY clause> ] [ ; ] 运算符的 UNPIVOT 语法。 syntaxsql 复制 SELECT [ <non-pivoted column> [ AS <column name> ] , ] ... [ <output column for names of the pivot columns> [ AS <column name> ] , ...
syntaxsql 複製 FROM { <table_source> [ , ...n ] } <table_source> ::= { [ database_name . [ schema_name ] . | schema_name . ] table_or_view_name [ AS ] table_or_view_alias [ <tablesample_clause> ] | derived_table [ AS ] table_alias [ ( column_alias [ , ...n ]...
create table emp(empno int,ename varchar(10),job varchar(9),sal1 DECIMAL(10,2),sal2 DECIMAL(10,2), deptno int);-- 插入10条数据：INSERT INTO emp VALUES (1, 'smith', 'clerk', 800.00,910,10);INSERT INTO emp VALUES (2, 'allen', 'salesman', 1600.00,5491,30);INSERT INTO ...
sqlserver上的PivotTable问题-数据拆分为多行 sql-server、pivot-table 我在一个现有的表上执行了Pivot,以获得列标题上的周数据,但是,它不是合并并给出只有3行的数据,而是拆分成多行。 ? 我希望看到的数据只有3行,而不是重复。请让我知道如何处理这个问题。 这是我使用Unpivot获得的数据: ? 透...
Thebasic syntax of the PIVOT function is as follows: SELECT. [column_name],。 [pivot_column_name],。 SUM([value_column_name])。 FROM. [table_name] PIVOT. (。 SUM([value_column_name])。 FOR [pivot_column_name] IN ([pivot_value1], [pivot_value2], ...)。 ) AS [pivot_table_...
下面的例子都是对 pivot 语法的简单的演示,使用 emp 表,在转换前,先看一下基础数据: createtableemp(empnoint,enamevarchar(10),jobvarchar(9),sal1DECIMAL(10,2),sal2DECIMAL(10,2), deptnoint);-- 插入10条数据:INSERTINTOempVALUES(1,'smith','clerk',800.00,910,10);INSERTINTOempVALUES(2,'allen'...
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 ...
SQL复制 -- A very basic PIVOT-- Given a table with sales by quarter, return a table that returns sales across quarters per year.>CREATETEMPVIEWsales(year,quarter, region, sales)ASVALUES(2018,1,'east',100), (2018,2,'east',20), (2018,3,'east',40), (2018,4,'east',40), (2019,...
Example output of transformed table using SQL PIVOT with common clauses. Image by Author. PIVOT in Oracle Similar to SQL Server, Oracle also uses thePIVOToperatorto transform rows into columns. However, the syntax of thePIVOToperatorin the Oracle database differs slightly from that in SQL Server...