Question

I found this link Pivot tables in SQL Server. A simple sample. and did a conversion it to temp table. However, I got an error “Incorrect syntax near ‘(‘.” Can you help me on this? Below is the code:

IF OBJECT_ID('tempdb..#DailyIncome') IS NOT NULL
BEGIN
drop table #DailyIncome
END

create table #DailyIncome
       (
         VendorId nvarchar(10)
         , IncomeDay nvarchar(10)
         , IncomeAmount int
       )

insert into #DailyIncome values ('SPIKE', 'FRI', 100)
insert into #DailyIncome values ('SPIKE', 'MON', 300)
insert into #DailyIncome values ('FREDS', 'SUN', 400)
insert into #DailyIncome values ('SPIKE', 'WED', 500)
insert into #DailyIncome values ('SPIKE', 'TUE', 200)
insert into #DailyIncome values ('JOHNS', 'WED', 900)
insert into #DailyIncome values ('SPIKE', 'FRI', 100)
insert into #DailyIncome values ('JOHNS', 'MON', 300)
insert into #DailyIncome values ('SPIKE', 'SUN', 400)
insert into #DailyIncome values ('JOHNS', 'FRI', 300)
insert into #DailyIncome values ('FREDS', 'TUE', 500)
insert into #DailyIncome values ('FREDS', 'TUE', 200)
insert into #DailyIncome values ('SPIKE', 'MON', 900)
insert into #DailyIncome values ('FREDS', 'FRI', 900)
insert into #DailyIncome values ('FREDS', 'MON', 500)
insert into #DailyIncome values ('JOHNS', 'SUN', 600)
insert into #DailyIncome values ('SPIKE', 'FRI', 300)
insert into #DailyIncome values ('SPIKE', 'WED', 500)
insert into #DailyIncome values ('SPIKE', 'FRI', 300)
insert into #DailyIncome values ('JOHNS', 'THU', 800)
insert into #DailyIncome values ('JOHNS', 'SAT', 800)
insert into #DailyIncome values ('SPIKE', 'TUE', 100)
insert into #DailyIncome values ('SPIKE', 'THU', 300)
insert into #DailyIncome values ('FREDS', 'WED', 500)
insert into #DailyIncome values ('SPIKE', 'SAT', 100)
insert into #DailyIncome values ('FREDS', 'SAT', 500)
insert into #DailyIncome values ('FREDS', 'THU', 800)
insert into #DailyIncome values ('JOHNS', 'TUE', 600)

SELECT * FROM #DailyIncome

SELECT *
FROM #DailyIncome
pivot(avg(IncomeAmount) FOR IncomeDay IN (
        [MON]
        ,[TUE]
        ,[WED]
        ,[THU]
        ,[FRI]
        ,[SAT]
        ,[SUN]
        )) AS AvgIncomePerDay

Thanks guys!

[UPDATE]

Based on the comments, the database is created using SQL Server 2000. Is there a workaround for this?

Answer 1

You can try something like

SELECT  VendorId,
        AVG(CASE
            WHEN IncomeDay = 'MON'
                THEN IncomeAmount
            ELSE NULL
        END) [MON],
        AVG(CASE
            WHEN IncomeDay = 'TUE'
                THEN IncomeAmount
            ELSE NULL
        END) [TUE],
        AVG(CASE
            WHEN IncomeDay = 'WED'
                THEN IncomeAmount
            ELSE NULL
        END) [WED],
        AVG(CASE
            WHEN IncomeDay = 'THU'
                THEN IncomeAmount
            ELSE NULL
        END) [THU],
        AVG(CASE
            WHEN IncomeDay = 'FRI'
                THEN IncomeAmount
            ELSE NULL
        END) [FRI],
        AVG(CASE
            WHEN IncomeDay = 'SAT'
                THEN IncomeAmount
            ELSE NULL
        END) [SAT],
        AVG(CASE
            WHEN IncomeDay = 'SUN'
                THEN IncomeAmount
            ELSE NULL
        END) [SUN]
FROM    #DailyIncome
GROUP BY VendorId

Please note, the reason why I used NULLS instead of 0 was due to the PIVOT functionality.

from Using PIVOT and UNPIVOT

When aggregate functions are used with PIVOT, the presence of any null
values in the value column are not considered when computing an
aggregation.

You will find different results if you were to run the query with 0 instead of NULLs