Knowledge Needed &<-----here . Please Help
Mar 13, 2008
I am loosing my mind on this one. I select info from a database. I then take that selected info, and select info from another table based on that. Straight forward. The CompanyKey attached to my username is 7 which displays in the ReaderResults.Text. I the following line:
selectSQL2 = "SELECT * FROM Company WHERE companyKey = ('" + CompanyKey + "')"
I can change it to:
selectSQL2 = "SELECT * FROM Company_Membership WHERE companyKey = 7 "
and it works. I have no idea what is going on. Dissapearing string? Here is the code:
Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load
'Database ConnectionDim con As New SqlConnection("Data Source = .SQLExpress;integrated security=true;attachdbfilename=|DataDirectory|ASPNETDB.mdf;user instance=true")
'Job1 InfoDim currentUserID
currentUserID = Context.User.Identity.Name.ToString()
Label1.Text = currentUserID
Dim selectSQL1 As String
selectSQL1 = "SELECT companyKey FROM Company WHERE UserID = ('" + currentUserID + "')"Dim cmd1 As New SqlCommand(selectSQL1, con)
Dim reader As SqlDataReaderDim CompanyKey
'Job2 Info
Dim selectSQL2 As String
selectSQL2 = "SELECT * FROM Company WHERE companyKey = ('" + CompanyKey + "')"Dim cmd2 As New SqlCommand(selectSQL2, con)
'Job1 Select
Try
con.Open()
reader = cmd1.ExecuteReader()Do While reader.Read()
CompanyKey = reader("CompanyKey").ToString()
Loop
reader.Close()Catch err As Exception
ReaderError.Text = "Error selecting record."
ReaderError.Text &= err.Message
Finally
ReaderResults.Text = CompanyKey
con.Close()
End Try
'Job2 Select
Try
con.Open()
reader = cmd2.ExecuteReader()
GridView1.DataSource = reader
GridView1.DataBind()
reader.Close()Catch err As Exception
ReaderError.Text = "Error selecting record."
ReaderError.Text &= err.Message
Finally
ReaderResults.Text = CompanyKey
con.Close()
End Try
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Mar 31, 2004
Hi,
I need help to test person's skills for
knowledge of SQL stored procedures
and DTS
Could someone point on good resources.
Thank you
Alex
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Jun 3, 2004
Hello, everyone:
Are ther any basic information about patch on SQL Server? How to develop patch, and run it? Thanks a lot
ZYT
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Aug 29, 2006
Dear Friends, please tell me how can i gain domain knowledge in erp related modules?
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Jul 22, 2007
Hello everyone...
i am new to Structured Query Language. I am learning it for the past 6 months form a book by myself. I don't have a teacher available to me. Now when i have finished that with all of the exercises completed. i want to make sure what i've learned is i've really learned it. the problem is that there is no such organization here that i join and have some hand on practical. So now i am asking u guys to help me. Tell me some way so that i make sure of whatever knowledge i have about SQL.
don't worry be happy
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Jul 23, 2005
I do a lot of hiring for my company and a lot of the people I interviewsay that they are experts at SQL queries, but when I give them somethingsimple just beyond the typical SELECT type of queries, they choke.For example I have a table that looks like this:PK_ID - primary keyPARENT_ID - a FK to another row in the same tableThis essentially is a tree structure. I will ask interviewees to writea query that will return all the rows that have 2 direct children. Noone knows how to do this.I don't get it. I have done queries which boggle the mind and they arefar more complex than this.Am I asking too much?--* Don VaillancourtDirector of Software Development**WEB IMPACT INC.*phone: 416-815-2000 ext. 245fax: 416-815-2001email: Join Bytes! <mailto:donv@webimpact.com>web: http://www.web-impact.com/ This email message is intended only for the addressee(s)and contains information that may be confidential and/orcopyright. If you are not the intended recipient pleasenotify the sender by reply email and immediately deletethis email. Use, disclosure or reproduction of this emailby anyone other than the intended recipient(s) is strictlyprohibited. No representation is made that this email orany attachments are free of viruses. Virus scanning isrecommended and is the responsibility of the recipient./
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Jan 12, 2004
Yo!
My company asked me to do a tech interview on a potential contractor for a three month assignment writing SQL Server stored procedures.
I have some things I can ask him to test his qualifications, such as cross-tab query design, UDF usage, running total queries, select first 'N' queries, Primary Keys vs Clustered Indexes, etc...
I was curious what questions other people might ask in order to assess a person's skill. Remember that this is SQL programming only, not admin stuff, and I want to ask questions with a range of difficulty from easy to head-cracker.
Any suggestions?
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Sep 24, 2007
I am having a puzzling problem with a DTS package in SQL 2000 that uses a combination of "Execute Process Tasks" and "ActiveX Script Tasks." The issue occurs with one of (the second) the ActiveX Script Task. The script invokes a COM object that was written in C#. This COM object connects to the database and writes a record set and then calls a stored procedure.
When I run this step individually, everything works fine. When I run it as part of the package, the record set is being written but the stored procedure is not invoked (SQL Profile confirms this).
I haven't really begun a serious attempt to troubleshoot the problem, though I have played around with the Transactions and OLE DB properties of the DTS Package.
Any suggestions as to why the behavior might be different, or some straightforward tips on troubleshooting would be appreciated. I have access to the COM component source.
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Nov 21, 2006
I dont know where to put this thread, I just wanna ask a question..actually what is happen when subscription synchronized the publications among IIS process.. (SQLMobile)
could you guys give me a diagram/schema of it?
thanks before
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Jun 12, 2006
I don't have any knowledge about SQL Server at all... I wanna know:
1. What is SQL Server?
2. Have SQL Server something to do with databases and Microsoft Access to do?
3. What is the link between Visual C++ Express Edition and SQL Server Express Edition?
4. Where on the web can I learn (tutorials) how to use SQL Server Express Edition?
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Feb 26, 2007
Dear Friends,
please suggest me the best book to gain sound knowledge in DBA concepts as well as
writing in sub queries, complex queries as well as inner queries.
thank you very much
Vinod
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Nov 26, 2007
Hi,
I've been working as a .NET developer for many years. However, my educational background isn't in IT at all, so I occasionally find that there are big gaps in my knowledge when I'm called on to do certain things.
My current role is the first one I've had where the efficiency of my database calls has needed to be top-notch. Most of my previous posts have been in building intranet functionality for medium-sized companies so it's just not been an issue and my fairly basic level of SQL knowledge has been enough to get me by.
However, I'm increasingly finding I'm needing to look stuff up, ask for help and so forth and I'm not at all sure that what I'm putting out is up to scratch. I have three main areas of concern:
1) The developers here seem to like doing a lot of the "work" of data sorting and manipulation in SQL whereas I'd previously have just grabbed the whole table and done the manipulation in .NET. I'm finding building my complex queries is just doing my head in - I'm just not used to "thinking" in the way that SQL requires which seems very different from procedural programming.
2) A lot gets said about properly indexing tables for maximum efficiency. I know what an index is and vaguely what it does, but the means of applying them to ensure the best performance is pretty much beyond me.
3) In the same manner I'm now having to worry a lot more about performance issues in my database design. I now the five normal forms and so on, but is there anything else here I need to do to maximise performance?
What I'm asking, really, is whether anyone can recommend a good source for SQL knowledge (book, site, whatever) that specifically focuses on my first problem - it'll teach me the proper way to structure my queries and think about them properly so that they don't look so damn impenetrable. It then needs to go on and address my other issues.
Any suggestions?
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Jul 20, 2005
Greetings,I have to admit that I'm still a beginner in the database field, but I'mactively studying, and this is why I will be utterly grateful for theproper, accurate, and wise guidance to the right direction or specificpaths of database studies.I simply want to make my first major database project a "personalknowledge database" or a "personal encyclopedia", so to speak. By this Imean that I want to gather diverse, multi-format bits of knowledge intoa single database divided into major categories, sub-categories, and soon. For example, I want to scan collected articles from newspapers &magazine and save them as images, type hand-written notes into thecomputer and save them as MS Word or Text files, save audio files withsearchable keywords, even save searchable MS OneNote audio & text files,all into directories & sub-directories. Then I want to be able to searchall these files for specific words or subjects; sort them according todate, subject, etc; update, add to or append, edit, or even cut & paste(within) any of those records in the database, which rely on easilycustomizable formats like text & images (in contrast with audio files orOneNote files, for example).I also want to prevent wasting time in the future, by avoidingrepetitive, same-keywords typing for every non-text new entry, like animage or audio file, by having a customizable keyword list open (byright clicking for example), where one could mark all the relevantkeywords for the picture or audio file. Also have a short descriptionfor each one of those entries when needed. And I want to be able to addslick, good-looking graphics to the interface of the database and theforms of the records.Basically, my priorities include: saving time filling the database withknowledge, quickly & accurately finding the future targets of anysearch, presenting the search results in a highly comprehensible &organized form, and a good looking interface & forms for every entry,which are pleasing to the eye and encouraging to study.I already use graphics applications for the "looks" part. So my questionis: what are the technologies or applications that I should learn byheart and use in order to design such a database in the best way? WouldMS Access alone do it all for me? Or should I learn other technologies?I'll be grateful for anyone taking the time to help. Thanks.Sincerely,Yasso"Claiming that God does not exist because there are people suffering anddying is like saying that barbers do not exist because there are peoplewith long hair! Truth is: they suffer because they did not find God ordo not go to Him, just like the others did not find a barber or do notgo to one."*** Sent via Developersdex http://www.developersdex.com ***Don't just participate in USENET...get rewarded for it!
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Jan 17, 2006
Hello,
I've been trying for a couple of days now with the following problem in SQL
Ive a table called tblRresults that has the following
Date - just a regular date
OfficeLocation - just a unique id such as a zip code
SampleType - contains things like wall, floor, beam
SampleResult - "Detected" or "NotDetected"
When populated the table can look like
12/12/05 99505 Wall Detected
12/12/05 99505 Wall NotDetected
10/04/05 99211 Beam Detected
10/04/05 99211 Beam Detected
10/04/05 99111 Floor NotDetected
10/04/05 99111 Floor NotDetected
What I want is (I guess) a crosstab query that produces the following
Date Location SampleType CountDetected CountNotDetected
12/12/05 99505 Wall 1 1
10/04/05 99211 Beam 2 0 (or null would be ok)
10/04/05 99111 Floor 0 2
Any help gratefully accepted, this has been driving me mental!
thanks
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Sep 24, 2006
Im new to stored procedure, but here's what I want, if someone can get me started and provide this as an example it would be VERY welcome!I have the following, a SP with parameter IsMale. This parameter may be empty. If it's not empty I want to add some text to my selection query: AND IsMale=paramvalueHere's the SP so far:ALTER PROCEDURE [dbo].[spFindUsersAdvanced] --declare parameters here@IsMale bitASBEGIN -- SET NOCOUNT ON added to prevent extra result sets from -- interfering with SELECT statements. SET NOCOUNT ON; SELECT DISTINCT BirthDate,IsMale, FROM aspnet_Users INNER JOIN tblUserData ON aspnet_Users.UserId = tblUserData.UserID WHERE tblUserData.Username<>''IF @IsMale THENBEGIN AND IsMale='True'ENDELSEBEGIN AND IsMale='False'ENDEND IFEND1. How do I check if the parameter is empty?2. How do I add the text to my selection query?
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Oct 30, 2007
Hi all,I am trying to write a stored procedure, which has two insert statements.the first insert statement, is simple which inserts data into a table and returns the primary key for the new row added. using this primary key, i am writing another insert statement, which passes a list of elements which would be then entered into another table, with the primary key of the first table.Is this possible to do in a single stored procedure? I have implemented this using two different sp, but am wondering if it can be done other way?thanks for your help!
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Dec 1, 2004
Hi,
For many to many relationship, what is the minimum number of tables required.
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Oct 17, 2005
Hi plz read below is my scenarioI have two diff tables which stores passwords (don't ask why b'coz it was there).Now to make data in both table consistance what I need to do?plz provide optimized solution.Thanks in advance.bye bye.happy coding!!!
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Dec 20, 2000
Experts,
I've few questions regarding SQL Server. Appreciated, If any one out there help me with it.
I would like to do T-SQL Programing and would like to know some good book. I'll mostly be doing Stored procedures,Triggers and views programming. Any advice?
On my sql server I've 10 logins. But, I cannot view these logins from the Enterprise GUI. But, When i run a query against the syslogin table, those all 10 logins shows up. Why is that?
any help would be greatly appreciated.
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Mar 25, 2004
Access 97.................
I'm trying to construct the following SQL statement but am missing something somewhere.
I get a syntax error with the 1st FROM highlighted.
If i construct a query out of the bit that works and then construct a query on that query then i can get it to work no problem but how to mimic that in SQL ? I can't simply view the SQL of the queries because the query names replace the SQL statements.
I'm trying to SUM the 5 volumes that get returned by the TOP 5 SQL statement. The VotingUniverse_TotalVolumeByType query returns the TotalVolume which will enable me to divide the SUMmed 5 volumes by the TotalVolume to obtain a %age.
SELECT
Type,
Sum(Volume) AS Volume,
TotalVolume
FROM
>>>>>>>>>>this following bit works............
(SELECT TOP 5
VotingUniverse_TopFirmsVolumeByType.Type,
VotingUniverse_TopFirmsVolumeByType.Volume
FROM
VotingUniverse_TopFirmsVolumeByType
WHERE
(((VotingUniverse_TopFirmsVolumeByType.Volume)
In (SELECT TOP 5 VotingUniverse_TopFirmsVolumeByType.Volume
FROM
VotingUniverse_TopFirmsVolumeByType
ORDER BY Volume DESC)))
ORDER BY
VotingUniverse_TopFirmsVolumeByType.Volume;)
>>>>>>>>>>>end of bit that works
INNER JOIN
VotingUniverse_TotalVolumeByType
ON
Type = VotingUniverse_TotalVolumeByType.Type
GROUP BY
Type,
TotalVolume;
hope this makes sense to someone anyway
thanks
====
Paul
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Aug 15, 2002
I have a xxx.exe running on SQL 2000 server as a sql job every hour. For some reason this job sometime just hung in the middle and never finish. But
if I stop it and rerun it, it will be down within 10 seconds. I am wondering
if we can set up something so that the job aborts automatically if it ran more than 10 minutes.
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Feb 22, 2001
Hi everyone.
We are running Sql 6.5 sp5 on a Pentium II 350 Mhz with 512 Mb. RAM, 1 ScSi 4 Gb hd, one 8Gb ScSi hd and 2 IDE hd (13,6 Gb and 8Gb) computer running windows NT 4.0 sp 6 without any problems.
Now have bought a new computer. The new one is a Pentium III 733 Mhz 512 Mb Ram with 2 ScSi ultra wide 2 18Gb each and one 40 Gb Ide Hd. We have installed windows NT 4.0 sp 6 and Sql 6.5 sp 5. We have restored our database to make some tests to it. The database is 7 Gb big.
The results of our test are that the old computer is between 20% and 30% faster than the new one when doing sql instructions and using the database even knowing that the hd´s of the new computers are 4 times faster than the old ones.
Would you please give us any help or clue that would make the new computer go faster?
We know that upgrading to sql 7 will work but we need first to make this computer work better with the 6.5.
Thank you.
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Jun 18, 2004
Hello,
When I try to run my asp file it gives me this error. :mad:
Technical Information (for support personnel)
Error Type:
Microsoft OLE DB Provider for SQL Server (0x80040E07)
Syntax error converting datetime from character string.
/conOpen_inc.asp, line 10
Browser Type:
Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; .NET CLR 1.1.4322)
Page:
GET /Default.asp
Anyone can tell me whats happening ? thank you
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Oct 12, 2004
I often use DTS to move databases between the servers. When you choose "Transform" data and “Column Mappings and Transformation” window opens, the default option is “Append rows to destination table”.
Question: Is there a way to change the default option to “Delete rows in destination table”, so I wouldn’t have to go thru the transformation of dozens of tables every time I move databases around.
P.S. I know that I can save DTS package with my settings and use it later. The problem is that every time it might be different database or objects might change. So, it is not a solution for me.
Thanks
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Jul 25, 2007
Dear All,
I have a client requirement. We are integrating two applications. So the problem is that, whenever some updates (meaning to say "create" , "delete" , "update") happens in the SQL DB Tables, i needed to track that data and send it to a different system.
What I have thought abt is that if SQL could generate a file with all the values deleted/updated/created in the DB, then I could take those values and do the needful. Please help me..
Thanks,
Sanjo
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Feb 28, 2004
Hello guys,
I'm new to the forum and to MS SQL 2K.
I'm trying to a merge similar rows in a table into a single row and put them in a new table.
Example:-
This is my input table
TableA
ID A B C
------------------------
1 jk kl bj
2 sd we op
3 io po kl
1 ui gh ew
2 kl re op
1 qw kj nn
My output table should look like this
TableB
ID A1 B1 C1 A2 B2 C2 A3 B3 C3
-----------------------------------------------------
1 jk kl bj ui gh ew qw kj nn
2 sd we op kl re op
3 io po kl
Please help me on how to create my output.
Thanks in advance,
Sid.
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Mar 26, 2004
Hi,
I have a table structure like this
TableName: Common
Columns
PartnerId: int
NativeId: int
FirstName: nvarchar(50)
LastName:nvarchar(50)
1)I should get the records with a minimum native id for a particular PartnerId,
2) if duplicates exists in the above condition i should select top 1 (first record)
How can i do it??
TIA,
sudheer
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Apr 12, 2004
Hi,
I have been SQL developer for past 2 yrs, want to get into Administration(DBA) can any one suggest me some good articles on net and good books for this.
TIA,
sudheer.
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Feb 26, 2008
Hi experts,
I am upgrading my database from SQL Server 2000, SP4 to SQL server 2005, SP2.
1) Is it required to recreated my user defined functions? I mean drop them and recreate them again?
2) Do I need to recreate the views and Stored procedure?
3) Do we have a checklist from Micorosoft for upgradation?
Thanks in advance
Regards
Sachin
Don't sit back because of failure. It will come back to check if you still available. -- Binu
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Jul 23, 2005
Hey all, I need some help to build some data bases and maybe some morestuff. Please reply only if you can do it volunteerly or very cheap please;but there is incentives in time..TIA
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Jul 20, 2005
I have a tableCreate Table Payments {paymentid int,customerid int,amount int,date datetime}What I want is the sum of the amounts of the last payments of all customers.Now the last payment of a customer is not necessarily the one with thehighest paymentid for that customer BUT it is the one with the highestpaymentid on the MOST RECENT date. We dont keep the time part just the dateso if there are more than 1 payments of a customer on a date ( and there aremany such cases ) only then the paymentid decides which is the last payment.Further the last payment may be the last as of today but I may want to findthe sum of all the last payments upto say March 1, 2003or any date. My own solution is too slow even it is correct.SELECT SUM( AMOUNT )FROM PAYMENTS AS P1WHERE PAYMENTID =( SELECT MAX( PAYMENTID ) FROM PAYMENTS AS P2 WHERE P1.CUSTOMERID =P2.CUSTOMERID AND DATE =( SELECT MAX(DATE) FROM PAYMENS AS P3 WHERE P3.CUSTOMERID = P2.CUSTOMERIDAND DATE < #9/8/03# ))What would be the most efficient solution to this.Both in SQL Server and in Access 2000thx in advance
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Feb 11, 2008
I am using the following T-SQL to pull records from a given table that have a start time between 6:59:59PM and 7:00:00AM. However, it's not working. The SQL I'm using is listed here. What am I doing wrong?
select RecNum, convert(varchar(8), StartTime, 8) as Start_Time from TableA
where convert(varchar(8), StartTime, 8) between '18:59:59' and '07:00:00'
By the way, there are a multitude of records that I'm looking for in the table.
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Feb 20, 2008
hi friends
I need some Help with VSA in SSIS . Whenever i open VSA for scripting , it shows the following validation errors.
Warning 1 The dependency 'EnvDTE' could not be found.
Warning 3 The dependency 'Microsoft.SqlServer.DTSRuntimeWrap' could not be found.
Warning 5 The dependency 'Microsoft.SqlServer.msxml6_interop' could not be found.
Warning 4 The dependency 'Microsoft.SqlServer.PipelineHost' could not be found.
Warning 6 The dependency 'Microsoft.SqlServer.SqlTDiagM' could not be found.
Warning 2 The dependency 'Microsoft.SqlServer.VSAHosting' could not be found.
Warning 7 The dependency 'Microsoft.SqlServer.VSAHostingDT' could not be found.
I am able to locate these dependencies in the c: programfilesmicrosoftsqlserver90SDKAssemblies.
What is the solution for this type of problem ?
thanks and regards
MAxx
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