Quest For Advanced Queries
Sep 7, 2006
I am pretty good at T-SQL as a .NET Application Developer, but now I need to take my skills of writing queries to the next level: the level required for Database Developers. I am sick and tired of writing simple inner join's with a couple of where's.
I have a few books ("SQL Server 2000 Bible" and "The Guru's Guide to Transact-SQL"), and Books Online are always available, so I have no problems with finding the answers.
The problem is not with looking for answers, but with finding questions...
Could someone please recommend me some source of good SQL-related questions, which would require writing complex queries (not just a few inner joins)?
A book (perhaps, some university's textbook with lots of advanced exercises for DB developers) would be the best option.
I am looking for some source of mind-breaking questions for database developers. I am really not sure I can solve them right away, but that's the goal. :-)
Thanks a lot.
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Mar 22, 2006
Keri writes "I am still a SQL newbe, but have learned a lot in the past year. I am not creating databases, nor maintaining our SQL Server 2000. I am a report writer and use Query Analyzer for the base of my reports. I use Actuate to develop the reports. My question is, i am interested in getting a book that covers more advanced querying. I have the book The Guru's Guide to Transact-SQL, but am intested in other books to further my growth and education in SQL. Can you suggest some books that deal with queries-advanced primarily since i really am not designing or maintaining the DB. Thanks for any information you can give.
Sincerely,
Keri Taylor"
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Dec 23, 1999
How exactly do you transfer data from one SQL Server to another?
Thanks again.
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Oct 4, 2006
Hi,
I am looking for a tool that is similar to SQL Impact (Quest). Quest has discontinued the tool.
This tool should be able to detect all database object dependencies for SQL Server, Sybase and Oracle. The objects should include tables, views, stored procedures, indexes and other objects. This should also detect DB object dependencies in front end applications as well.
Any suggestions are greatly appreciated...
Thanks!
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Oct 18, 2007
Anyone have experience with either of these products? Your thoughts?
-a
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Apr 2, 2008
I've been having Spotlight from Quest Software in the back of my mind for quite some time now, and now I just started in a new job where something like this could prove to be really handy. And from the looks of it it seems to be quite impressive but have any of you guys used it? What do you think?
--
Lumbago
"SELECT Rum, Coke, Lime, Ice FROM bar WHERE ClosingTime = 'Late' AND FemaleMaleRatio > 4"
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Oct 4, 2005
I need help using the TSQL Command.... I want to display car reviews by authors.... a car may be reviewed by multiple authors.... but the latest entry should be displayed... the older enteries will not be displayed....the following is the query </P><FONT color=#0000ff size=2>
<P><FONT color=#000000>SELECT CarReviews.Date AS Date, CarReviews.Company AS Company, CarReviews.Name AS Reviewer, CarMake.MakeName, CarModel.ModelName, CarModel.YearName, CarMake.KeyName + '/' + CarModel.Image AS Image, CarReviews.Id AS IdFROM CarReviews INNER JOIN CarMake ON CarReviews.MakeId = CarMake.Id INNER JOIN CarModel ON CarReviews.ModelId = CarModel.IdGROUP BY CarMake.MakeName, CarModel.ModelName, CarModel.YearName, CarMake.KeyName + '/' + CarModel.Image, CarReviews.Id, CarReviews.Name, CarReviews.Company, CarReviews.DateORDER BY CarReviews.Date DESC</FONT></FONT></P><FONT color=#0000ff size=2>
<P></P></FONT>
<P>Results of above statement....
Date Company Reviewer MakeName ModelName YearName Image Id
----------------------- -------------------------------------------------- -------------------------------------------------- -------------------------------------------------- -------------------------------------------------- -------- ----------------------------------------------------------- -----------
10/3/2005 5:12:25 PM LATimes.com Dan Neil MINI Cooper S 2005 RAJ-0122/RAJ-0122-82.jpg 8
10/3/2005 5:11:41 PM Star-Telegram.com G. Chambers Williams III MINI Cooper S 2005 RAJ-0122/RAJ-0122-82.jpg 7
10/3/2005 4:51:31 PM MotoFlare.com Joe Wiesenfelder MINI Cooper S 2005 RAJ-0122/RAJ-0122-82.jpg 6
10/3/2005 4:49:22 PM MotoFlare.com Jim Flammang MINI Cooper S 2005 RAJ-0122/RAJ-0122-82.jpg 5
10/1/2005 4:19:25 PM MotoFlare.com Erphan Rajput Audi A4 (2005.5) 2005 RAJ-0089/RAJ-0089-80.jpg 3
10/1/2005 4:19:25 PM MotoFlare.com Jim Flammang Audi A4 (2005.5) 2005 RAJ-0089/RAJ-0089-80.jpg 4 Problem is repeation... In the above statement .... the statement should return only 2 records... but it is displaying 6 records....record one should be of MINI Cooper S 2005 & second should be of Audi A4 (2005.5) 2005Urgent reply will be highy appreciated...Thanks,Erphan Rajput..
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Oct 19, 2005
Here's one for one of you SQL genuises out there. I really appreciate any help that I can get. There are several steps to this.Step 1:I have a database that holds timesheet records for users. These records are by week. I need a query that will return the username of the people that have entered 0 time for all of their timesheets in the database.Step 2:I need a query that will delete and timesheets that have 0 time entered after the last timesheet with time entered. If they entered time in week 3 but have 0 time for week 4 and 5 and then are withdrawn at week 5 I need to remove timesheets for week 4 and 5. Note, they could have entered 0 for week 2 as long as week three has time entered.Step 3: - THIS IS THE MONSTER-Since the timesheets are by week, I need to find the date that the last time was entered. The timesheet has a start-date then suntime, montime, tuetime, wedtime etc. Sunday would equal the week start-date. So, if time was last entered on Friday, the date that I'm looking for is the start-date + 5. My problem is, How do I go about doing this? I've been trying to do it all in a query to no avail.I really appreciate any assistance that anyone can offer.Thank you,Still learning........-Scott
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Oct 18, 2007
Hi
I'm new in Reporting Services and I have a task to solve. I wonder how to do it in Reporting Services.
For example I have few records:
ID
Year
Q1
Q2
Q3
Q4
1
2005
0
0
10
20
2
2006
20
20
35
35
3
2007
40
45
45
10 Now I create two parameters:
Q and Year
When I run this report I want to choose for example Year = 2006, and Q = 3
When I choose these values I need to calculate a field in report like this:
needed_sum = 0(Q1,year=2005) + 0(Q2,year=2005) + 10(Q3,year=2005) + 20(Q4,year=2005) + 20(Q1,year=2006) + 20(Q2,year=2006) + 35(Q3,year=2006)
I need to declare variables, like it is calculating on a section in other reports systems. Here I found only code for report where I can write some functions.
Anyway..
Did someone knows how to solve this problematic task??
Regards
Bashay
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Aug 15, 2006
Hi, Using Visual Web Developer and SQL Express, (coding in Csharp) I want to add a
advanced search facility to my site. Problem is I do not know how to begin.
The website is a business directory and displays company names and services that they provide.
Here is where I am at....
So far I have made one query which allows users to search the database by "town" such as if they enter "London" in the text box, it returns the relevant records into a gridview.
Rather than have a seperate text box for each query, I want to provide an advanced search box option so users can define their search and query the database by various criterias, such as geography, sector, name, number of employees in companies etc.
I have seen compact advanced search boxes on many sites!.
Replies greatly appreciated.
prontonet
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Jun 19, 2008
I want to query a database through a ASP.NET page and I want to set the page up like an advanced search page would look. My question is, how do I write the stored procedure and/or what value do I pass from ASP.NET to accomplish null or blank values. For instance, if someone wants to query by TRIP id and not vehicle ID then how do I write the where claue?
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Feb 7, 2006
I have the following figured out, however what I want to do is almost come up with a new column based on if the row actually exists in the employeeeval column:
SELECT e.DeptID, e.LastName + ', ' + e.FirstName AS EmpName, e.EmployeeID, u.UserName FROM Employee e LEFT OUTER JOIN EmployeeEval ev ON e.EmployeeID = ev.EmployeeID LEFT OUTER JOIN [User] u ON u.Department = e.DeptID WHERE (u.RoleID = 'supervisor') AND (e.CompanyID = @CompanyID) AND (e.FacilityID = @FacilityID) AND (ev.PersonalScore IS NULL) ORDER BY e.DeptID, e.LastName
so in my select I want to add something like ev.approved which then that brings back either Null or 0. Then based on that create a variable to bring back as a string and if it = 0 make my string say 'In Progress' and if it's Null, say 'Not Started'. I would imagine I would need a Declare @Status nvarchar(15) --- but I get lost after that b/c wouldn't I need some sort of way to count throught the rows of my result set and do an IF statement? I can't quite figure this process out, after numerous attempts.
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Mar 5, 2001
Hello.
I want to order a resultset from a table by two columns in another table. Here's how it looks:
[Books]
ID
Title
[linkBookAuthor]
BookID (Books.ID)
AuthorID (Authors.ID)
[Authors]
ID
Firstname
Lastname
AuthorOrder
As you can see it's a many to many relationship. Is there a way to order the books by Authors.Lastname (the first if there are several authors) with one query ? If not, what is the fastest way ? I don't need the names in the resultset so I only want to order the books by Authors.Lastname, not include Authors.Lastname.
Thanks for any help.
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Nov 29, 2005
Dear All,
Can you suggest a good book or set of websites which have advanced SQL tutorials for SQL server? Got the basics but looking to build on my knowledge.
...cause knowledge is power...
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May 11, 2006
Here's a challenge for one of those database experts out there...
I want to join two tables in a Left Join format, with the first table being the one referencing the second table. Easy enough right? Well, I also want to be able to reference this second table from 3 different fields.
For example:
My tables
#1: video
id, description ...etc... award1, award2, award3
#2: award
id, description, image, etc...
As you can see, I want to be able to award more than 1 award from the "award" table to each video in the "video" table. I then want to be able to assign a variable to each field from the result of the SQL query so I can display all the information on one page for every video with every combination of possible awards.
I also, in my SQL Query, want a WHERE clause:
WHERE video.id = $vidid (a variable from a previous page so this page only displays the video I want)
My mind says surely this must be possible, but I have no idea how to go about it. Can anyone give me any hints/help/pointers/advice on this? Even if this requires two SQL queries, I may be able to work with that, but I need to know. If I'm posting at the wrong place, or nobody here knows how to do this, then I would also really appreciate being pointed in the right direction.
Thanks in advance to anyone who even reads this and thinks over it. This is for a free online fan site http://www.lostvideo.net/ that I'm helping with some redesigns.
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Jul 20, 2005
I have been able to get several basic databases to function both in playingaround and functional ones on the web but they have all been pretty simple.I am now trying to develop a database for the web using Access. What I amreally needing help with is how to actually reduce the number of record setsthat I think i am going to need. Here is what I am trying to do.I am having people sign up and create teams. So you come to the site and yousee Team 1, Team 2... Team 8. (These numbers will later be replaced by realnames given by the team captains and replaced in the database, this will bedone by the captain through the web)You pick a team you want to be on, enterthe info and you are placed on that team (in the database) I have two tablesin the database TeamRoster (everyone on all of the teams) and Teams (Listthe captains and the names of their team)So when I query the database to fill the tables I am confused as to how Ishould go about the query. As I see it I need to build a RS (Record Set) foreach team to get the name of the team for the appropriate table, thenpopulate it with the players for that team (repeating region) if there areeight teams, that means 16 RS. This does not seem right.Am I making any sense?Thanks for trying to understand all of this.Houston
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Aug 3, 2007
I have two tables X and Y which need to join together. Table X has an ID field which connects to an ID field in Table Y. My problem is the ID field in Table X can contain multiple ID's EX:
Table X
ID
-------
2,1,4,
2,5,
1,
3,1,2,4,
ect...
whereas the ID field in Table Y contains one ID in each row EX:
Table Y
ID Color
------- -------
1 Green
2 Blue
3 Red
4 Yellow
5 Orange
ect...
Is there a way to join these two tables together? I need the output to be...
ID Color
------ -------
2,1,4, Blue,Green,Yellow
2,5, Blue, Orange
1, Green
3,1,2,4, Red, Green, Blue, Yellow
ect...
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Nov 7, 2007
When one requirement says that MS SQL Server 2005 with Advanced Services is required, what does it mean by "Advanced Services"? Doesn't the full version of SQL2005 include all the advanced services? What are advanced services? I've seen the Express version with Advanced Services but this is the full version I'm talking about.
Thank you all in advance.
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Jul 20, 2005
HelloWhen I use a PreparedStatement (in jdbc) with the following query:SELECT store_groups_idFROM store_groupsWHERE store_groups_id IS NOT NULLAND type = ?ORDER BY group_nameIt takes a significantly longer time to run (the time it takes forexecuteQuery() to return ) than if I useSELECT store_groups_idFROM store_groupsWHERE store_groups_id IS NOT NULLAND type = 'M'ORDER BY group_nameAfter tracing the problem down, it appears that this is not preciselya java issue, but rather has to do with the underlying cost of runningparameterized queries.When I open up MS Enterprise Manager and type the same query in - italso takes far longer for the parameterized query to run when I usethe version of the query with bind (?) parameters.This only happens when the table in question is large - I am seeingthis behaviour for a table with > 1,000,000 records. It doesn't makesense to me why a parameterized query would run SLOWER than acompletely ad-hoc query when it is supposed to be more efficient.Furthermore, if one were to say that the reason for this behaviour isthat the query is first getting compliled and then the parameters aregetting sent over - thus resulting in a longer percieved executiontime - I would respond that if this were the case then A) it shouldn'tbe any different if it were run against a large or small table B) thisperformance hit should only be experienced the first time that thequery is run C) the performance hit should only be 2x the time for thenon-parameterized query takes to run - the difference in response timeis more like 4-10 times the time it takes for the non parameterizedversion to run!!!Is this a sql-server specific problem or something that would pertainto other databases as well? I there something about the coorect use ofbind parameters that I overall don't understand?If I can provide some hints in Java then this would be great..otherwise, do I need to turn/off certain settings on the databaseitself?If nothing else works, I will have to either find or write a wrapperaround the Statement object that acts like a prepared statement but inreality sends regular Statement objects to the JDBC driver. I wouldthen put some inteligence in the database layer for deciding whetherto use this special -hack- object or a regular prepared statementdepending on the expected overhead. (Obviously this logic would onlybe written in once place.. etc.. IoC.. ) HOWEVER, I would desperatelywant to avoid doing this.Please help :)
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Oct 5, 2006
I have a table full of Latitudes, Longitudes, address, customername, etc. , I need to grab some input(Latitude, Longitude, range) from the user. So now I have a source lat, long(user) and destination lat, long(rows in dbase). I need to take the 2 points and compute a distance from the user given lat, long to every lat, long in the database and check that distance againt the range given from the user. If the distance is below the range, I need to put that row into a temp table and return the temp table at the end of the stored proc. As of right now I am completely lost and need some guidance. I would also like to be able to add the computed distance to a table. Here is the function and stored procedure i have so far...ALTER PROCEDURE [dbo].[sp_getDistance] @srcLat numeric(18,6), @srcLong numeric(18,6), @range intASBEGIN SET NOCOUNT ON; SELECT * FROM dbo.PL_CustomerGeoCode cg WHERE dbo.fn_computeDistance(@srcLat, cg.geocodeLat, @srcLong, cg.geocodeLong) < @rangeEND CREATE FUNCTION fn_computeDistance ( -- Add the parameters for the function here @lat1 numeric(18,6), @lat2 numeric(18,6), @long1 numeric(18,6), @long2 numeric(18,6))RETURNS numeric(18,6)ASBEGIN -- Declare the return variable here DECLARE @dist numeric(18,6) IF ((@lat1 = @lat2) AND (@long1 = @long2)) SELECT @dist = 0.0 ELSE IF (((sin(@lat1)*sin(@lat2))+(cos(@lat1)*cos(@lat2)*cos(@long1-@long2)))) > 1.0 SELECT @dist = 3963.1*acos(1.0) ELSE SELECT @dist = 3963.1*acos((sin(@lat1)*sin(@lat2))+(cos(@lat1)*cos(@lat2)*cos(@long1-@long2))) -- Return the result of the function RETURN @dist Thanks, Kyle
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Mar 13, 2007
Hello, I am trying to bind a sqldatasource control to the gridview.
I have selected the sqldatasource control and specified the connection string, on configure Select statement page under advanced options both the check marks
Generate INSERT, UPDATE and DELETE Statements
Use Optimistic Concurrency
are disabled for me.I have a proper SQL Server database not an express data base, how do i get to generate the InserCommand, EditCommand etc
Any help would be great .. relatively new here
thanks
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Apr 19, 2007
Hi!
a) PROBLEM 1:
I have set up my main database like this (of course I'm showing an abbreviation):
company - int (identity)name - nchar
I have several companies stored in the previous table. Now I have another table with messages:
company - int (related with the company of the previous table)messageID - int (identity)contents - nchar
company and messageID are the main key of this table. I want to set the messageID column to change automatically. Since I declared it as identity it is working fine, but I was looking to start it on 0 on every new company:
Company messageID0 00 10 21 0 <- Here the company changed, so the messageID resets1 11 21 32 0 <- Again2 1
Any suggestions?
b) PROBLEM 2:I have my database stored locally on my computer. When I finished working with the database it has a lot of data for testing. I want to upload the database to my hosting provider or to my customer's. But the identity columns keep incrementing since the last value of my tests, so it's kind of annoying to see values as: 1250, 223, etc. when I expect to see 0,1, 2 and so on. Also, for receipts this is a very important issue.
How can I reset the identity fields?
Thank you very much for your attention and help.
CT
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May 13, 2007
Advanced SQL generations options:
generate INSERT, UPDATE, and DELETE statements is all greyed out?
in my sql data source control.?
I have made a brand new instance with sql server management express....have I missed something?
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Jan 9, 2008
Hi There,
I know this might be slighty off topic, but (apart from the CPU, RAM & DB size limits) does anyone know if Express SQL server has any performance / concurrent connection restrictions when compared to SQL 2005 Standard?
Many thanks
Ben
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May 25, 2004
Hello,
(Excuse my english, i'm a french man)
I want to make a stored procedure on that model :
CREATE Procedure SGCP_GetEleveArgs
(
@Arg1 nVarChar,
@Val1 nVarChar
)
AS
SELECT *
FROM Eleve
WHERE @Arg1 = @Val1
So you understand that i want to pass my argument (@Arg1) as a field of a column.
but it gives :
WHERE 'Nom' = 'Dupont'
but i want to have :
WHERE Nom = Dupont
for it to work.
Have you an idea to solve that problem ?
Thanx
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May 31, 2006
Hi,
I would like exploring Reporting Services associated with SQL Express Edition so i tried installing "SQLEXPR_ADV_.EXE" the package available on download SQL site, but after having selected Reporting Services option I've got an error explaining that component "sqlserver2005_bc.msi" is to be changed.
As this component is part of "SQLEXPR_ADV_.EXE" package is there anybody knowing an alternative solution ?
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Apr 18, 2001
I want to run a query overnight through the SQL agent using osql. However I need to turn off the print header option that you normally turn off through the advanced options tab in the Query Analyzer. Does anyone know if this is possible?? Many Thanks in advance..
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Feb 27, 2001
Has anybody used the "Use fast load" or "Table lock" options in the advanced DTS package properties ? These are supposed to be in the Advanced tab of the Data Transformation Properties dialog box. I cannot seen to find them. I want to set them in order to have the load execute in nonlogged mode. Any help would be very much appreciated.
Thanks in advance.
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Mar 28, 2006
Hello, Can anyone direct me to some sample charts created with 2000 Reporting Services? Looking for the advanced capabilities and quality of the charts.
Thanks
SactoJoe
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Apr 17, 2006
Hi,
Since I am new to DTSs therefore currently I am making my DTSs in a manner where there probably is a room for improvement e.g. When I have to Import data from one server to another I use the Import feature and then I go through all the steps of the wizard (at the end of which I get the option to save my DTS)....
In the DTS "design window" there are many options under the TASK menu option and is there a url from where I can learn how to use these options (under TASK i.e. File Transfer Protocaol task, ActiveX Script Task, Transform Data Task, etc. etc.).
Maybe if I know how to use these options, I might be able to write my DTS in better and flexible manner...
Hope my posts is making some sense????
Thanks
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Sep 6, 2004
Hi!
I'm trying to get the following query to work:
SELECT item.name AS name, t15.f167 AS start, t15.f168 AS end, t15.f180 AS organizer
FROM item, t15
WHERE item.row_id = t15.id AND t15.f167 > getDate()
UNION ALL
SELECT item.name AS name, t30.f221 AS start, t30.f222 AS end, '<a class=kalender_link href=http://www.xxx.no/default.asp?V_ITEM_ID=' + item.id
+ '> KAN < / a > '
FROM item, t30
WHERE item.row_id = t30.id AND t30.f221 > getDate()
ORDER BY start DESC
The problem is the organizer field. I need to generate an url, but I get all sorts of problems with data types, ie. you can convert an int into ntext.
So the question is basically, how do I get the following to work:
'<a class=kalender_link href=http://www.xxx.no/default.asp?V_ITEM_ID=' + item.id + '> KAN < / a >'
Vidar
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Apr 17, 2006
Hi,
Since I am new to DTSs therefore currently I am making my DTSs in a manner where there probably is a room for improvement e.g. When I have to Import data from one server to another I use the Import feature and then I go through all the steps of the wizard (at the end of which I get the option to save my DTS)....
In the DTS "design window" there are many options under the TASK menu option and is there a url from where I can learn how to use these options (under TASK i.e. File Transfer Protocaol task, ActiveX Script Task, Transform Data Task, etc. etc.).
Maybe if I know how to use these options, I might be able to write my DTS in better and flexible manner...
Hope my posts is making some sense????
Thanks
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Apr 18, 2008
I have an installation of 2005 Express and I am attempting to install advanced services. I have tried uninstalling all .net service packs as well as installing with the skuupgrade=1 tag, but I still receive a message stating that the currently installed version is more recent that the version I am attempting to install. What might I be missing here?
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