Dynamic Column Name - Hard Problem...
Aug 9, 2006
Ok, here is my problem, lets say i have the following three tables
Product_Group_Master
ProductGroupId
Size_Groups
SizeGroupCode
SizeCode1
SizeCode2
SizeCode3
SizeCode4
SizeCode5
Product_Group_Inventory
ProductGroupId
Inventory1
Inventory2
Inventory3
Inventory4
Inventory5
Individuale_Products
ProductId
ProductGroupId
SizeGroupCode
SizeCode
Ok, now that you understant the table layout... i need get a list of ProductId's with there respective inventory count
So what i need to do is select all the product id's from the "Individuale_Products" table, and the based apon there "SizeGroupCode", and "SizeCode"...
I need to look up in the "Size_Groups" table...
on the row that is equal to SizeGroupCode...
the colum name that has the value of the "SizeCode"...
So that then i can look up in the "Product_Group_Inventory" table the correct inventory column.
Please feel free to ASK any furthur Questions... or e-mail them to me at gregmoser@forwarddev.com
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May 15, 2007
in my original database have a column which is for "path" ,the record in this column is like → �mms://192.12.34.56/2/1/kbe-1a1.wmv】
this kind of column is about 1202,045 .. I don't think is a easy job to update by person.. it may work but have to do same job 1202,045 times..
I have to change � mms://192.12.34.56/2/1/kbe-1a1.wav】 to � mms://202.11.34.56/2/1/kbe-1a1.wav】
I tried to find the reference book and internet . can't find out the answer for this problem.
can you help? or maybe is it a impossible job?
thanks
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Aug 25, 2007
Hi Craig/Kamal,
I got your email address from your web cast. I really enjoyed the web cast and found it to be
very informative.
Our company is planning to use SSIS (VS 2005 / SQL Server 2005). I have a quick question
regarding the product. I have looked for the information on the web, but was not able to find
relevant information.
We are getting Source data from two of our client in the form of Excel Sheet. These Excel sheets
Are generated using reporting services. On examining the excel sheet, I found out that the name
Of the columns contain data itself, so the names are not static such as Jan 2007 Sales, Feb 2007 Sales etc etc.
And even the number of columns are not static. It depends upon the range of date selected by the user.
I wanted to know, if there is a way to import Excel sheet using Integration Services by defining the position
Of column, instead of column name and I am not sure if there is a way for me to import excel with dynamic
Number of columns.
Your help in this respect is highly appreciated!
Thanks,
Hi Anthony, I am glad the Web cast was helpful.
Kamal and I have both moved on to other teams in MSFT and I am a little rusty in that area, though in general dynamic numbers of columns in any format is always tricky. I am just assuming its not feasible for you to try and get the source for SSIS a little closer to home, e.g. rather than using Excel output from Reporting Services, use the same/some form of the query/data source that RS is using.
I suggest you post a question on the SSIS forum on MSDN and you should get some good answers.
http://forums.microsoft.com/msdn/showforum.aspx?forumid=80&siteid=1
http://forums.microsoft.com/msdn/showforum.aspx?forumid=80&siteid=1
Thanks
Craig Guyer
SQL Server Reporting Services
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Feb 27, 2008
Hi there,
I am a new member of this site and I am not very much aware of T-sql's working.
My question is what if I need to get one column's data to be the heading of another column.
To be very exact I have a school's database. The table I am talking about is of the results of students. The table contains Student ID, Subject ID, Total marks of the subject, Marks obtained in the subject. Now I want to print a report by generating data from this table. Right now the data is something like this
StuID - - - SubID - - - -Tot - - -Obt
1 - - - - - - -1 - - - - - - -50 - - - 38
1 - - - - - - -2 - - - - - - -50 - - - 41
1 - - - - - - -3 - - - - - - -50 - - - 42
1 - - - - - - -4 - - - - - - -50 - - - 40
2 - - - - - - -1 - - - - - - -50 - - - 35
2 - - - - - - -2 - - - - - - -50 - - - 40
2 - - - - - - -3 - - - - - - -50 - - - 42
2 - - - - - - -4 - - - - - - -50 - - - 41
StudentID and SubjectID fields are related to other tables so I can get the names from there but when I need the report I need the data in the form of
StuID - Sub 1 - - - Sub 2 - - - Sub 3 - - - -Sub4
1 - - - - 38 - - - - - - 41 - - - - - - 42 - - - - - - 40
2 - - - - 35 - - - - - - 40 - - - - - - 42 - - - - - - 41
The Subjects can be different for different students so the query should be dynamic instead of hard coding the names of the subjects. I hope I am clear with my question. The subjectIDs or their names will become the headings and they will contain the obtained marks for that subjects in their columns just for the reports. I have also checked the PIVOT function but was not able to do what I wanted.
Thanks.
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Jun 13, 2007
Hello All,
I'm trying to us a parameter as column name like:
Select * From SM_Clients
where @Selection like @SelectionChar+'%'
This dos not work.
does someone have a solution :(
tks stroek
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Jun 13, 2007
Hello All,
I'm trying to us a parameter as column name like:
Select * From SM_Clients
where @Selection like @SelectionChar+'%'
This dos not work.
does someone have a solution
tks stroek
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Jan 1, 2008
Hello,I'm still extremely novice to SQL and I've tried googling how to produce this result but I've been encountering a lot dynamic sql commands which isn't exactly what I want. If this is an ignorant question I do apologize but heres my scenario: I have a table with columns of the day, for instance: Monday_hasData (bit)Monday_DataAnd what I want to do is essentially pass in "Monday" as a parameter and rather than doing an If statement on each row, I would like to just like to do something like assign @dayCheck + "_hasData" to a variable and then use @dayCheck as part of my query. Is this possible or am I going to have to have 7 cases? Thank you for any input,Chance
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Feb 5, 2008
Hi All
I want to rename the column name by using the dynamic value as like
declare @name as varchar(12) set @name='ss'
sp_rename 'dbo.employees.id3',@name, 'COLUMN';
go
but it shows the error
Incorrect syntax near 'sp_rename'.
any idea?
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Jun 10, 2004
Hi is possible to create dynamic column name
example
Declare
@StartDate as dateTime
Select @StartDate = '2004-06-05'
select
SUM(Case When table1_date BETWEEN dateadd(day,-6,@StartDate) and @StartDate then 1 else 0 end)AS [dateadd(day,-6,@StartDate)],
SUM(Case When table1_date BETWEEN dateadd(day,-13,@StartDate) and dateadd(day,-7,@StartDate) then 1 else 0 end)AS [dateadd(day,-13,@StartDate)]
from
table1
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Jan 19, 2005
thanx for the help in advance,
i have a table with Monday, Tuesday, Wednesday. .... Sunday
i get the weekday by
select @stat = datename(dw, getdate()) which in this case is Wednesday
but when i do something like
select top 2 * from myTable
where 'myTable.'+@stat = 1
which is as same as
select top 2 * from myTable
where myTable.wednesday = 1
i receive a syntax error. how can i dynamically select myTable.Wednesday ?
i also tried using
select top 2 * from Intercon
where '@stat' = '1'
but then this doesn't return anything where it should.
any help?
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Apr 10, 2008
Dear All,
We are trying to unpivot the columns into rows but the colunms are changing dynamically, want to know how to set the dynamic value or variable in unpivot query, query is mentioned below:
declare @aw Varchar(100)
set @aw = '1990,1991'
SELECT [name], [year], [data]
FROM (SELECT * FROM t1 where [name] != 'name') p
UNPIVOT
([data] FOR [year] IN
(@aw)
)AS unpvt
The above query while executing geting error message "Incorrect syntax near '@aw'"
please can anybody solve this issue.
Thanks,
Syed
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Apr 18, 2007
Hi everyone,
So I have to export from a SQL 2005 table to a dBaseIV table using SSIS. Easy enough, however the catch is that the tables being exported will vary. I can send variables to the the package calling the sql table name and creating the DBF file with the same columns on the fly.
The problem is mapping the columns. From what I've been reading there is no way to alter the mapping in a package at runtime. I was hoping that there would be some sort of auto mapping setting that would match on the field names but I guess not. Anybody run in to this issue and have a work around? Thanks in advance....
Scott
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Aug 28, 2007
Got my first real job to do in SSIS and it's not really much fun. Here goes. I have excel files from various vendors, none of which are in the same format. Now I'm less concerned with the names, I have those in variables so that's not a big deal. My issue is around the column names. Let's say we have file a, b and c. In file a the first name field is called [first name], in file b it's first_name and in file c it's firstname. What I want to do is create 1 package that can handle these files regardless of how first name is spelled. I was thinking I could open the file and somehow search for a column name that contained the word "first%" and then map the column name to a variable. I'm sort of stuck though on how to actually do that. Help. And please don't tell me to tell the vendors to standardize. That's the end goal but it's like herding cats.
Mike
"oh, that monkey is going to pay"
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Aug 9, 2007
Hi guys 'n gals,
I am trying to achieve something a bit complex (or at least appears to be for me).
I have the following table structure:
UID, GroupID, ColumnName, ColumnValue
here is some example data:
UID, GroupId, ColumnName, ColumnValue
1, 1, MAC Address, 8a7sd87sad
2, 1, IP Address, 192.168.1.100
3, 1, Name, John
4, 2, MAC Address, 09a8sd098as
5, 2, Name, Steven
and here is what I would like the example to come out like:
GroupID, MAC Address, IP Address, Name
1, 8a7sd87sad, 192.168.1.100, John
2, 09a8sd098as, NULL, Steven
It needs to be completely dynamic though, as a new column name could be entered to the source table at any time...
I have tried Dynamic SQL and JOINs, but can only seem to get it to work correctly. I was starting to consider doing a loop similar to this:
Code Snippet
DECLARE @ColumnName varchar(128)
DECLARE @Sql varchar(255)
SELECT @ColumnName = [ColumnName] FROM tblSourceData
SELECT @Sql = 'SELECT [GroupId], [ColumnValue] AS ['+@ColumnName+'] FROM tblSourceData'
EXEC (@Sql)
Could somebody please point me in the right direction? I've heard a bit about Pivot tables in my search for this solution, is that perhaps the route I need to go?
Regards,
Justin
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Dec 1, 2007
Hi
In SSIS i have an execute SQL task where i get the job_id as the output which i set it to a package variable.
Now what I need to do is i have to map this value to one of the columns of the OLEDB destination.
How can I do it? Please help me ASAP.
Thanks
Sai
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Apr 10, 2008
Hi All,
We are trying to unpivot the columns into rows but the colunms are changing dynamically, want to know how to set the dynamic value or variable in unpivot query, query is mentioned below:
declare @aw Varchar(100)
set @aw = '1990,1991'
SELECT [name], [year], [data]
FROM (SELECT * FROM t1 where [name] != 'name') p
UNPIVOT
([data] FOR [year] IN
(@aw)
)AS unpvt
The above query while executing geting error message "Incorrect syntax near '@aw'"
please can anybody solve this issue.
Thanks,
Syed
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Nov 19, 2007
Hi,
I have to choose a particular column from a table whenever a condition met. That means i have to use the column in the select query whenever the condition met otherwise i have to create a dummy column with the same column name.
I tried to use the following sample query.
Eg:
Create table temp
(test_id int,
test varchar(100))
Declare @var varchar(100)
Set @Var='Hi'
Select
case when @Var='HI' then "None" else Test_new End as Test
from Temp
But it throw error as "Invalid column 'Test_new' "
As per my situation the Test_new column will be available in temp table whenever the condition is not met.So when @var<>'HI' i have to get the details of the test_new column otherwise i have to create a dummy column with the same name.
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Mar 29, 2006
Hey, I have a search form with a selectbox. This selectbox contains the columnnames.I want when I put a text in a textbox and select a value in the selectbox and click submit that it search database.The Columnnames I put in a session.
If you see I have put in the querystring as columnname @sescolumn which I have initialised as asp:sessionparameter.But it gives no results. When I put @sescolumn between [] like normal columnnames are it doesn't work also.
Can someon put my on the right path?
<asp:SqlDataSource ID="Database_ecars" runat="server" ConnectionString="<%$ ConnectionStrings:connectionstring %>"
SelectCommand="SELECT [AutoID], [Merk], [Kleur], [Type], [Autotype], [prijs], [Zitplaatsen], [Afbeelding1], [Afbeelding2], [Afbeelding3], [Afbeelding4] FROM [Auto] where @sescolumn like @seskeyword and [AutoID] not in (select [AutoID] from [verhuring] where [StartVerhuur] >= @sesdatefrom and [Eindeverhuur] <= @sesdatetill)" >
<SelectParameters>
<asp:SessionParameter Name="sesdatefrom" SessionField="datefrom" Type="Decimal" />
<asp:SessionParameter Name="sesdatetill" SessionField="datetill" Type="Decimal" />
<asp:SessionParameter Name="seskeyword" SessionField="keyword" Type="string" />
<asp:SessionParameter Name="sescolumn" SessionField="columnname" Type="string" />
</SelectParameters>
</asp:SqlDataSource>
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Oct 12, 2004
How can I make this stored procedure concept work:
-----------------------------------------------
Create Procedure MyProc @MyValue varchar(5)
As
Declare @ColumnName as varchar(11)
Set @ColumnName = 'Price_' + @MyValue
Select Sum(Price) As @ColumnName --????
From MyTable where Item = @MyValue
Return
-----------------------------------------------
Using @MyValue = 23 should make the Sum(Price) column name 'Price_23'. It's not working. What am I doing wrong?
Bjorn
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Feb 11, 2008
I am unfortunately lumered with a table I cannot edit that stores a division 2 characters along with boolean fields '0506', '0607', '0708' ... (academic years) to represent if that particular division is active in the current academic year. This has made me have to resort to dynamic sql within a stored procedure to input the appropriate field names.
Is there a better way to do it, it's not mission critical to make it not use dynamic sql but I would prefer not to.
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Jul 23, 2005
I want to write a query that will give me a dynamic amount of columns back.What I want to do, I want to create a calendar application, in which foreach employee, I want to show if he is in the office or not.this should look like:ID, Name, 1,2,3,4,5,6,7,888,Leo,0,0,1,1,1,0,0,1The amount of columns is dynamic, and is a period of time, with a column foreach day.Any suggestions what the best approach to this could be?ThanksLeo
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Jun 20, 2007
Ill start off by saying that I am an ASP.NET developer and I am self-taught in using SSRS2005. (quite poorly I might add) That being said I am having a problem with a report im building. This report has 10-12 different metrics I am reporting on and I have each of them displayed in their own matrix. The first matrix was created by the report wizard that launches when you add a new report.
To give you an overview of how I am setting up these reports I will describe the structure I am using on nearly all of the matrices. I am reporting on classes that are managed by my company and held at 3rd party locations. My matrix has the 3rd party location in the rows and the quarter the class was held is the column. Matrix setup looks like this:
________|_______Quarter____________
|MetricA|MetricB|MetricC|etc...
LocationA|
LocationB|
LocationC|
The problem Im having is this. All matrices that weren't created by the wizard don't grow dynamically. Say I have 2 quarters of data I am reporting on, Instead of having a column for quarter1 and quarter 2, the report generates separate matrices for each quarter. This is true for each matrix that I created using a matrix control from the toolbox. The matrix that was created by the wizard however, has dynamic columns that grow to the right as expected.
I am populating my datasets using Stored Procedures and the matrix that behaves normally uses a different dataset than the 4 others I have completed thus far which share a dataset.
I have looked everywhere I can think of for a checkbox or a property I need to adjust and I cant find one. Anyone have any ideas??
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May 15, 2007
hello,
in the script task component - i need to refer to Row.Column9.ToString() but the Column9 is coming from a variable. meaning - at run time it can be Column9 or Column7 at other runs. how can i write Row.ColumnName.ToString() in a dynamic way? (aka that the ColumnName is dynamic and not hard coded?)
thanks!
Arik
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Oct 26, 2007
Need to be able to change the color of the columns red for negative values and Green for positive-- Im thinking that this will have to be a custom code scenario and not a expression-- any suggestions??
kam
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Jul 9, 2007
I'm looking for a way to use SSRS to display the contents of a returned dataset with 1-n columns. The number of columns is unknown at design time and the datasetview is using a stored procedure with 1 parameter to return the data. Does any one know if RDL supports wildcard(*) characters for field names or if there is another method.
I have this working via a web based custom aspx page but it would be VERY helpful to utilize all the document conversion features the SSRS reports provide via the web.
Thanks for any help.
IT Publisher
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Aug 11, 2006
Hi All,
I am using Micosoft Visual Studio Report Desinger. with MS SQL 2005.
I have a table transac table fields are likely,
location,date,amount values,
USA,01/07/2006,3000
SG,01/07/2006,2500
USA,02/07/2006,6000
SG,02/07/2006,3500
USA,03/07/2006,1000
SG,03/07/2006,6700
USA,04/07/2006,500
SG,04/07/2006,200
Am writing query for date = 04/07/2006
select location,date,amount from transac where date = 04/07/2006
I wanted to add two more column in the query which is
a.two days before what is the amount
b. From 01/07/2006 to 04/07/2006 what is the amount
The result I want to be
Location,date,amount,2daysbefore,uptodate
USA,04/07/2006,500,6000,10500
SG,04/07/2006,200,3500,12900
How to write a query ?.
I am writing this query from DataSet for Report Desinger.
Is there any way to include this two column.
Please Advise,
Regrads Saleem
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May 4, 2007
Hi,
I have three tables.
The "Master table has a recordid, a masterID, a "IsSubField" and other stuff.
I need to do a join to a second table based on the MasterID...
However for each record, if the "IsSubField" has a True value then it has to use table A to JOIN to, where as if it's False, then it uses table B.
Make sense?
Anyone got any pointers?
Thanks in advance
James
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Mar 2, 2007
im working on a report which shows the data based on the users input. I have used a matrix because I have no control on how many fields the users want, so practically we have a dynamic column here. My problem is that they require me to able the user to hide the columns he/she wishes to during runtime. We have a previous report that enables the user to hide it during runtime but it has static column. Any idea on how I could do it?... Thank you so much...
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Oct 13, 2001
I have a quick question on SQL Server. Lets say I have table Order which has column names OrderId, CustomerName, OrderDate and NumberofItems. To select the OrderID values from the table I say
Select OrderId from Order.
But in the select if I want the column name to be variable how do I do it. I tried the following code through a stored procedure.
declare @order_id nvarchar(10)
select @order_id = 'OrderID'
SELECT @order_id from Order.
The code above gave me the string "OrderID" as many times as there were rows in the table but I could never get the actuall values in the OrderId column. Can you please send me some ideas or code where I can get values from the column names and at the same time change the column name dynamically.
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Feb 10, 2005
Hey Guys,
Here is the issue I'm having. I am writing a stored procedure that takes a couple of parameters. Each one is the value within a specific column in one table (i.e., @part = 'o-ring' or @sub_assembly = 'hydraulic ram'). Needless to say, the columns form a hierarchy. What I am trying to achieve is to allow the user to specify one of the parameters and get a count for all records where the specified value is in the corresponding column. So, if the user puts in the parameter @part = 'o-ring', I want it to know that the where clause for the select statement should look for o-ring in the part column and not the sub_assembly column. Here is what I am trying to do, which isn't working.
DECLARE @querycolumn varchar(20),
@queryvalue varchar(35)
SET @querycolumn = ''
SET @queryvalue = ''
IF(@sub_assembly = NULL)
BEGIN
IF(@part = NULL)
BEGIN
PRINT 'This is an error. You must have at least a part'
END
ELSE
BEGIN
SET @querycolumn = 'Part'
SET @queryvalue = @part
END
END
ELSE
BEGIN
SET @querycolumn = 'SubAssembly'
SET @queryvalue = @sub_assembly
END
SELECT SubAssembly, Part, COUNT(RecordID)
FROM Table
WHERE @querycolumn = @queryvalue
GROUP BY SubAssembly, Part
ORDER BY SubAssembly, Part
The problem is that I'm getting an error when I try to use @querycolumn to supply the column name to the WHERE clause. Any ideas or suggestions?
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Apr 10, 2007
I have been banging my head against the wall for TWO days. I have
gone back and forth with a very patient guy on thescripts.com. You
can see the ridiculous thread here
http://www.thescripts.com/forum/threadnav628777-1-10.html
If you have time, at least peruse that so we don't go in circles.
Anyway, if you guys can help me solve this, I will be forever
grateful!!
Here is the "basic" problem:
Here is an example for TWO different entities in the database.
EntityID XmlFieldName Value
1 City Austin
1 State TX
1 Country US
2 CityName Los Angeles
2 StateCode CA
2 CountryCode US
2 Zip 111111
Here is how the two different results should be
where EntityID = 1
<Address City="Austin" State="TX" Country="US"/>
where EntityID = 2
<Address CityName="Los Angeles" StateCode="TX" CountryCode="US"
Zip="111111"/>
Notice how the attribute names (City or CityName, State or StateCode,
etc) are based off the XmlFieldName and I don't know in advance what
the possible values will be? I also don't know how many attributes
there will be, but they can be different per entity, depending on how
they have set up an address in our application.
Another thing to note, is that I kind of have this working in an sproc
using PIVOT and generating a table with the values that have the
correct dynamic column names (you can see this on my other thread I
posted above) but I REALLY need this to not use dynamic SQL (so can
use it in a function) if possible and be able to be used in a select
statement, whether it be a temp table as I would like to get a result
set back that I can do a FOR XML RAW on. If this is confusing, it is
because I am delerious. OR is there a way to return a table from an
SPROC that has dynamic columns built?
Please help!! Thanks so much!!!
Brian
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Jul 16, 2014
I am new to SSIS and i got 1 assignment.
Requirement:
In my destination table i am having some 30 columns and the CSV files what i get may have 10 columns or 20. How do I map columns between source and destination dynamically?
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Jul 1, 2014
I have the following SQL which i want to convert to a stored procedure having dynamic SQL to generate column numbers (1 to 52) for Sale_Week.Also, I want to call this stored procedure from Excel using VBA, passing 2 parameters to stored procedure in SQL Server
e.g,
DECLARE @KPI nvarchar(MAX) = 'Sales Value with Innovation' DECLARE @Country nvarchar(MAX) = 'UK'
I want to grab the resultant pivoted table back into excel. how to do it?
USE [Database_ABC]
GO
DECLARE @KPI nvarchar(MAX) = 'Sales Value with Innovation'
DECLARE @Country nvarchar(MAX) = 'UK'
[code]...
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