sql server pivot example

Pivot is used to rotate column values to column names (row to column), and SQL Server 2000 can be implemented with an aggregate function with a case statementThe general syntax for pivot is: Pivot (aggregate function (column) for column in (...)) As PFull syntax:Table_source

In today's article I would like to discuss a special T-SQL language structure in SQL Server-the pivot operator introduced from SQL Server 2005. I often cite this and the language structure is the most dangerous one in

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 describe

Pivot is used to rotate column values to column names (row to column), and SQL Server 2000 can be implemented with an aggregate function with a case statementThe general syntax for pivot is: Pivot (aggregate function (column) for column in (...)) As PFull syntax:Table_source

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 te

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

'the value of the Key5' fromheadertable awhereA.headerid= 10000 SELECTA.*, t.a0001 as 'the value of the Key1', t.a0002 as 'the value of the Key2', t.a0003 as 'the value of the Key3', t.a0004 as 'the value of the Key4', t.a0005 as 'the value of the Key5' fromHeadertable AInner Join (SelectHeaderid, Detailkey, detailvalues fromdetailtable) T Pivot (MAX(detailvalues) forDetailkeyinch(a0001,a0002,a0003,a0004,a0005)) T onT.headerid=A.headeridwher

]+ '] ' + ' as Y ' [email protected] SET @sql2 =rtrim (@sql2) + ', [' [Email protected]+ '] ' NEXT from Cur_expyear to @sn, @expyear END --2.4. Close the cursor and release the cursor CLOSE Cur_expyear Deallocate cur_expyear --3. Achieving goals SET @sql =rtrim (@sql) + ' from (SELECT dptno,year (indate) as Expyear from Tb_employee with (NOLOCK)) T PIVOT (' [emai

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 te

Original: Row to column: SQL SERVER pivot and usage explanationIn database operations, there are times when we encounter the need to implement "row-to-column", for example, a table for a weekly income statement for a store:VARCHAR (Ten) DECIMAL)Let's insert some simulation data first:INSERT intoWeek_incomeSELECT 'Mond

: Table_source Pivot (aggregate function (Value_column) pivot_column for (columnlist)) A little explanation: Table_source: Is the table we want to convert. Pivot_column: Is the column name for row to column. Value_column: Is the value of the column after the conversion. Columnlist is the column to be generated. This is also the case with pivot, which can be used to write the same result: Select Studentname,

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 '),

Today is just the data show, using the column change, row to column there are many ways, pivot is one of them, Povit is the function of SQL Server 2005,The following business scenario:Each month, the total quantity of the incoming channel is "totals", in Chinese, English, and other data columns,The original data is as follows:Demand:The data needs to be displayed

(MI line,0) asF_mivalue,ifnull (SMT Line,0) asF_smtvalue,ifnull (Air compressor station,0) asF_changepre,ifnull (repair line,0) asF_repairvalue,ifnull (assembly line,0) asF_assemblyvalue from( SELECT MAX(MI line) asMi line,MAX(SMT Line) asSMT Line,MAX(Air compressor station) asAir Compressor station,MAX(Repair line) asRepair line,MAX(Assembly line) asAssembly line from ( SELECT CaseF_name when 'mi line' ThenF_valueEND asmi line, CaseF_name when 'SMT Line' ThenF_valueEN

]+ ', [' [emailprotected]+ '],[' [emailprotected]+ '] ' + ' from [' [email protected]+ ']) p PIVOT (SUM ([' [emailprotected]+ ']) for [' [emailprotected]+ '] in (' + @sql_col + ')) as Pvt Where Pvt.hx_fzone is not null for ORDER by ' [Emailprotected]--print (@sql_str) EXEC (@sql_str) drop table #t_estimateamo Untreasondrop Table #t_ Estimateamountreasontotalend---------------------------------------------------------------------------SELECT @ end_dat

Label:Introduction to the outsetI remember when I began to learn SQL Server 2000 in about 2006 years ago, encountered a face test is row to column, column change operation, then wrote a long time of the SQL statement eventually ended in failure. Later even if can write, also bumps, although very can exercise SQL Founda