Oracle 11g 行列互换 pivot 和 unpivot 说明 在Oracle11g中,Oracle 又增加了2个查询:pivot(行转列) 和unpivot(列转行) 参考:http://blog.csdn.NET/tianlesoftware/article/details/7060306、http://www.oracle.com/technetwork/cn/articles/11g-pivot-101924-zhs.html google 一下,网上有一篇比较详细的文档:http:...
例子3:对多列的值进行汇总计算,以下是基于channel例进行转置,然后对amount_sold和quantity_sold两列进行合计运算SELECT*FROM(SELECTproduct, channel, amount_sold, quantity_soldFROMsales_view ) PIVOT (SUM(amount_sold)ASsums,SUM(quantity_sold)ASsumqFORchannelIN(5,4,2,9) )ORDERBYproduct; PRODUCT 5_SUMS ...
首先pivot是一个列转行的函数,反向用是unpivot(行转列)。 在SQL sever中可以这么写 SELECT*FROM[TABLE]/*数据源*/ASA PIVOT (MAX/*聚合函数*/(COL1/*行转列后 列的值*/)FORA.COL2/*需要行转列的列*/IN([VALUE1],[VALUE2],[VALUE3].../*列的值*/) )ASB 在Oracle中可以这么写 select*fromtab ...
SQL> DESCRIBE pg_wide; Name Null? Type --- --- --- VID NOT NULL NUMBER T NUMBER(38) 'company' NVARCHAR2(15000) 'occupation' NVARCHAR2(15000) 'name' NVARCHAR2(15000) 'religion' NVARCHAR2(15000) 親トピック: SQLベースのプロパティ・グラフの問合せおよび分析 前のページ 次のペ...
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TheCOUNT()function returns the number of orders by category and order status. The query uses the values specified in thepivot_in_clausefor the column headings of the result set. Here is the output: Aliasing pivot columns# In the previous example, Oracle used product categories to generate pivo...
...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. ...
Oracle行转列,pivot函数和unpivot函数 行转列 以下一般是行转列的正常需求: 要完成该需求,可以用两种方法 一是:CASE WHEN+GROUP BY 二是PIVOT函数 我们用第二种 代码语言:javascript 代码运行次数:0 运行 AI代码解释 SELECT*FROMTEST_PIVOTPIVOT(SUM(SCORE)FORCOURSEIN('英语','数学','语文'))B...
PIVOT: This indicates that we want to use the SQL pivot functionality to display our output. We open the bracket to include a range of parameters. SUM(sale_amount): This is the value to be shown in the middle of the output. It’s a number value that has an aggregate function applied...
4 - Oracle analytic Lag-Over Function Analytic functions have a pronounced performance improvement since they avoid an expensive self-join and only make one full-table scan to get the results.This siteshows an example of using the Oracle LAG function to display multiple rows on a single column...