pivot mach

A pivot table is a method for analyzing data. It contains a powerful data pivot function in Excel. What is data pivoting? It may be easier to give an example. Assume there is a data table: Sales volume of books ---------------------------------------- Wang Excel teaching material 10 Xiao Li Excel teaching material 15 Wang Word teaching material 8 Xiao Li Excel teaching material 7 John Excel teaching materia

Label:Original: SQL Pivot, Unpivot, and partition by usageDemo Script IF not exists(SELECT 1 fromSys.sysobjectswhereName= 'Student' andType= 'U') BEGIN CREATE TableStudent (IDint Identity Primary Key, ClassIDint default 0,--class IDCoursenamenvarchar( -) ,--CoursesNamenvarchar( -) ,--nameScoretinyint default 0 --Achievements ) END GO

Pivot is used to rotate column values to column names (row to column)Grammar:Table_sourcepivot (Aggregation function (value_column) for Pivot_columnin (Unpivot used to set the column value to a column (that is, a column change)Grammar:Table_sourceunpivot (value_columnfor pivot_columnin (Note: PIVOT, Unpivot is the syntax for SQL Server 2005, use the database compatibility level that you want to modifyIn the

(' Student d ', ' Chinese ', 79); Insert into @t (studentname,subject,score) VALUES (' Student d ', ' math ', 83); Insert into @t (studentname,subject,score) VALUES (' Student d ', ' English ', 81); Insert into @t (StudEntname,subject,score) VALUES (' Student e ', ' Chinese ', 73); Insert into @t (studentname,subject,score) VALUES (' Student e ', ' math ', 84); Insert into @t (studentname,subject,score) VALUES (' Student e ', ' English ', 93); Insert into @t (studentname,sub

Label:Original: Use of the SQL Server 2005 pivot operatorThe pivot,unpivot operator is one of the new features supported by SQL Server 2005 and is primarily used to implement row-to-column conversions. This article mainly describes the operation of the pivot operator and how to implement the row and column transformation of dynamic

PivotTable /Graph by filtering, sorting, and summarizing the data, you can generate summary tables or charts to help you analyze, organize, and present your data to improve productivity and reduce errors.Excel's pivot table is powerful, so can we embed the same functionality in our own development system?Of course!The ComponentOne Studio (Windows platform) and Wijmo (JavaScript platform) control packages of the Grape City ComponentOne product line can

PivotTable /Graph by filtering, sorting, and summarizing the data, you can generate summary tables or charts to help you analyze, organize, and present your data to improve productivity and reduce errors.Excel's pivot table is powerful, so can we embed the same functionality in our own development system?Of course!The ComponentOne Studio (Windows platform) and Wijmo (JavaScript platform) control packages of the Grape City ComponentOne product line can

We all know that with the merging unit of the table when the data is created, the result is empty, we can't meet our requirements, the key problem is that the value of the merged cell is empty, and then, the question is how to combine these associative units as having values, that, although merged, but the values are still there, Just don't show it, so create a pivot table to get the right results.：Operation:0. The original value of the merged Tangueg

Assume that the table is as follows:How to obtain the data of column E (in the format of Schema name. Table name, such as pdm_data.t05_gms_nav_spv_pch_rdm_trx_evt )? How does one obtain column F Data from column E (extract the table name from Class E )?1. String concatenationIn column E, enter: = C3 "." D32. String TruncationFirst, we will introduce several functions:LeftFunction,RightFunctions andMidFunctionLeft function Syntax: Left (text, num_chars), part of the string from the leftRight fu

Tags: style blog http color ar using SP for strongOriginal: SQL row to Column PIVOT column career UNPIVOTOne:Existing table one (T_TABLE1), want to convert to table two (t_table2) format.Table I: year company revenue 2013 Company 1 12 2013 Company 2 22 2013 company 3 32

Tags: types name settime set EFI no output function posAs we all know, the output structure of static SQL must also be static. For classic row-to-column problems, if the number of rows is variable, the standard answer is to use dynamic SQL, which is a pivot with XML results in 11G. But Oracle 10G does not have a PIVOT function to do, write one of their own soon. Direct point on the code. CREATE OR REPLACE

Pivot Table extraction Non-Repeated Records (5)-cannot be used for drop-down Key design points: no duplicates, pivot tables, drop-down options Xiuxiu: Hum, although the pivot table is very strong, there are many weaknesses! Ajin: Huh? -- Can you have such a deep understanding of pivot tables? You won't use it. Xiux

SQL Server row and column transformation hidden groupPivot has a hidden group group, except for pivot column and value column, and other columns as groupingsExample:IF not EXISTS (SELECT * from sys.tables where name = ' Pivot_test ')CREATE TABLE Pivot_test(ID1 int,Id2 int,Pivot_column varchar (50),Value char (50))INSERT into pivot_test values (A, ' A ', ' A_v '), (with the ' B ', ' B_v '), (with the ' C ', ' C_v '), (with the ' D ', ' D_v ')Row and co

Else 0 end) physical from TB Group by name/name Language Math Physics Lee 474 84 94 374 83/--3, using SQL Server 93 dynamic SQL (no need to know how many courses) --Method 1 declare @sql1 varchar set @sql1 = ' Select name ' Select @sql1 = @sql1 + ', max (case course when ' + course + ' "' then score else 0 end [' + course + '] ' from (select DISTINCT course from TB) A--with the From TB Group by course, by default by course name Sort Set @sql1 = @sql1 + ' from TB Group by name '--prin T @sql1 EX

Tags: 2008 Set Variable etc next ESC date quit intoIt is believed that when you work with database programming, you might often use the pivot operator. Today, I'm going to use the pivot operator to share a simple report that I've been working on for a while. For example, for an employee base table Tb_employee (Id,empid,empname,dptno,dptdesc,indate,...), pivot is

Tags: step for htm work aggregation blog Preparation Select ...http://blog.csdn.net/xb12369/article/details/8149608 Http://www.cnblogs.com/lwhkdash/archive/2012/06/26/2562979.html Row to column actually means that, after row to column, the value of the original column has been changed to the column name Original table Row-to-column statement: Select [Monday],[Tuesday],[Wednesday],[Thursday],[Friday],[Saturday],[Sunday]--Here is the third step of pivot