pivot and unpivot in sql

Tags: val format rac Example multiple aggregation order Mon oraclFormat of PivotSelectFrom (Inner_query)Pivot (aggreate_function for pivot_column in (list of values))Order BY ...;Examples of usage:Select From (Select Month,prd_type_id,amountFrom All_sales)Pivot (sum (amount) for month in (1 as jan,2 as feb,3 as mar,4 as APR))ORDER BY prd_type_id Convert multiple columnsSELECT * FROM(Select Month,prd_type_id

Pivot Unpivot 11g new Features1Pivotin columns - value In the form of a pair, a typical row-to- column report function . Createtabletest_demo (Idint,namevarchar (), numsint);---- CREATE TABLE Insertintotest_demovalues (1, ' Apple ', 1000);insertintotest_demo VALUES (2, ' Apple ', 2000); Insertintotest_demovalues (3, ' Apple ', 4000); insert intotest_demovalues (4, ' orange ', 5000); Insertintotest_demova

Tags: when case png shang pivot Red data row goto EnglishThe existing table, the original data is as follows: Now you need to query the following results (conditions are: [80,~] Excellent, [60,80) pass, [~,60] failed):The original table is converted with UNPIVOT, and the line changes to select * from CB_SHANGCICB UNPIVOT ("language", "math", "English"), and the r

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 Foundation, every time must struggle, drowning feel

aggregate the value from table ) as alias pivot ( SUM (value to aggregate) for Pivot column value source column in ([Pivot column 1],[pivot column 2],[pivot column 3 ]) as alias ****/Line-to-column code:Select ProductName, ISNULL ([1],0)

Tags: take out stage table number and so on and end the original nbsp column careerThis article is guided by: in T-SQL statements, the pivot operator is used to rotate or pivot data between columns and rows, and the pivot command can implement a column change of a data table while performing an aggregation operation, a

Pivot row and column conversions in SQLThis article is guided by: in T-SQL statements, the pivot operator is used to rotate or pivot data between columns and rows, and the pivot command can implement a column change of a data table while performing an aggregation operation,

Pivot rotates a table-valued expression by converting the unique value in a column of an expression to multiple columns in the output, and performs an aggregation if necessary on any remaining column values that are required in the final output. Unpivot performs the opposite operation with Pivot, converting the column of the table-valued expression to the column

SUM( CaseWEEK when 'Monday' ThenINCOMEEND) as [Monday],SUM( CaseWEEK when 'Tuesday' ThenINCOMEEND) as [Tuesday],SUM( CaseWEEK when 'Wednesday' ThenINCOMEEND) as [Wednesday],SUM( CaseWEEK when 'Thursday' ThenINCOMEEND) as [Thursday],SUM( CaseWEEK when 'Friday' ThenINCOMEEND) as [Friday],SUM( CaseWEEK when 'Saturday' ThenINCOMEEND) as [Saturday],SUM( CaseWEEK when 'Sunday' ThenINCOMEEND) as [Sunday] fromWeek_incomeHowever, a simpler approach is provided in

should look like this:Monday Tuesday Wednesday Thursday Friday Saturday Sunday1000 2000 3000 4000 5000 6000 7000In this case, SQL query statements can be written like this:SELECT SUM (case WEEK "Monday ' then INCOME end" as [Monday],sum (case WEEK, "Tuesday" then INCOME END) as [Tuesday],sum (case WEEK when "Wednesday ' then INCOME END" as [Wednesday],sum (case WEEK "Thursday ' then INCOME END" as [Thursday],sum (case WEEK "Friday" Then INCOME END)

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

Original: SQL built-in function pivot powerful row-to-column functionGrammar:PIVOT used to rotate column values to column names (row to column) in SQL Server - you can use aggregate functions to mate Case Statement ImplementationPIVOT The general syntax is: PIVOT ( aggregate function (column) for column in (...)) As

this case, SQL query statements can be written like this:SELECT SUM( CaseWEEK when 'Monday' ThenINCOMEEND) as [Monday],SUM( CaseWEEK when 'Tuesday' ThenINCOMEEND) as [Tuesday],SUM( CaseWEEK when 'Wednesday' ThenINCOMEEND) as [Wednesday],SUM( CaseWEEK when 'Thursday' ThenINCOMEEND) as [Thursday],SUM( CaseWEEK when 'Friday' ThenINCOMEEND) as [Friday],SUM( CaseWEEK when 'Saturday' ThenINCOMEEND) as [Saturday],SUM( CaseWEEK when 'Sunday' ThenINCO

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 SQL Server--and soon you'll know why. Before we go into s

First of all, let's look at one of the steps here that translates into banner, which requires pivot, step-by-step Then look at the overall query results for the two query methods after the main table join So take a look at the latter query method is also through the industry after the conversion to do the join execution plan, you can see only the Word table for a search (this is the index seek, but the temporary throw-off index) Looking at two