Case When Doesnt Work (for Me)

May 21, 2008

Can someone tell me why this thing in the end return Null?

declare @uz_id uniqueidentifier
set @uz_id=null
set @uz_id=
case @Uz_ID
when null then '00000000-0000-0000-0000-000000000000'
else @Uz_ID
end
select @uz_id

...it should return '00000000-0000-0000-0000-000000000000' in my opintion

P.S. When I say return i mean the value that is shown after 'select @uz_id' is executed:)

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Why Doesnt This Work?

Feb 22, 2006

i am new at T-SQL and am trying to delete entries in a column that are not integers. i have the following code. why does it not work.

T-SQL

select invoicenumber from [control register] where convert(int, invoicenumber) like '%'
if @@error > 0
begin
delete from [control register] where invoicenumber = invoicenumber
end
go

gives me the error in Query analyser:

Server: Msg 245, Level 16, State 1, Line 1
Syntax error converting the nvarchar value '10-3-05' to a column of data type int.

@@error is supposed to pick up the error. why is it not.

please could you reply urgently at chris@captivedesign.co.za

thanks in advance



Chris Morton



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Mar 21, 2007

This is an insert statement i'm trying to run. I want it to only insert this recird if the corresponding EMPLOY_REF exists in the EMPLOYEE table. Heres my statement:


INSERT INTO SALHISTY(EMPLOY_REF, SALARY, SAL_REASON, SAL_DATE)
VALUES ('8971','175000.0000','ANNRV','2007-04-01 00:00:00.000')
WHERE '8971' IN (SELECT EMPLOY_REF FROM EMPLOYEE)


This is the error message i'm getting.

Server: Msg 156, Level 15, State 1, Line 3
Incorrect syntax near the keyword 'WHERE'.

Any help would be greatly appreciated. Thanks

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Dec 6, 2007

select distinct
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(
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from testing
where [18 week wait] <= 18
group by [pct of res]
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Hi,

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Nov 10, 2006



Hi ,



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so when i try to update null value it should rollback previous transactions and should not commit.

but it is updating the previous queries and raising error on 3rd query. not rolliing back. I need to rollback previous queries.

the xactstate i get here is 1.

Please help me with this.



ALTER PROCEDURE [dbo].[tran]

AS

BEGIN

SET NOCOUNT ON;

BEGIN TRY

BEGIN TRANSACTION

declare @name varchar(50)

set @name = null

update dept set dname='ddd' where id=10

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COMMIT TRANSACTION



END TRY

BEGIN CATCH

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END CATCH

END



venp---

Hi ,



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How can I Know that the directory MSSQL.4 is the MIRROR instance??



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I tried LUCHOMIRROR, MSSQLSERVER$MIRROR

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Thanks



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Hello everybody,

have following problem:

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Distinct, should give me unique data, but is doesnt....
the code:

SELECT DISTINCT FSenddate, FSupplyIDName, FSupplyerNumber,FBillNo,FSourceBillNo,FItemName,FItemModel,
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This code just works in Table1 (vwICBill_26)

but with table 2 (vwICBill_1)

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As soon as I implement the not equal it shows me the massive repeating data.
I mean even without the last sentence I get this data output.

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@nmpersona int,

@sortorder varchar(20)



AS

BEGIN

select nmpersona, dsprimernombre, dssegundonombre,

dsprimerapellido, dssegundoapellido

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order by @sortorder

END



But I got this error. Please help



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The SELECT item identified by the ORDER BY number 1 contains a variable as part of the expression identifying a column position. Variables are only allowed when ordering by an expression referencing a column name.

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Hi,

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Hello all,

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Event Source: SQLVDI
Event Category: None
Event ID: 1
Date: 8/1/2007
Time: 2:03:37 PM
User: N/A
Computer: XXX
Description:
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Log from DataProtector

Normal] From: XXX "(DEFAULT)" Time: XXX
SQL statement:
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[Warning] From: XXX "(DEFAULT)" Time: XXX
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When I set these values in c# as

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Jun 28, 2007

Hi,



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The issue is not solve even when I try to cast the field to varchar. sometimes it succeeded and sometimes I get error 7320 & 7321.

I'm using Oracle connector from SQL to Oracle.

I've 64 bit SQL Server.

Attach the code, the Numeric field is SCORE.



select *

FROM

OPENROWSET('ORAOLEDB.ORACLE',aaaa;bbbb;cccc,

'SELECT AUDIT_OPRID, AUDIT_STAMP, AUDIT_ACTN,EMPLID, ACCOMPLISHMENT, MAJOR_CODE,

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Assaf

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Nov 16, 2007



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Some Ideas?

Microsoft SQL Server Management Studio 9.00.3042.00
Microsoft Analysis Services-Clienttools 2005.090.3042.00
Microsoft Data Access Components (MDAC) 6.0.6000.16386 (vista_rtm.061101-2205)
Microsoft MSXML 3.0 4.0 5.0 6.0
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thanks Frank

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Oct 3, 2006

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Imports System
Imports System.Data
Imports System.Math
Imports Microsoft.SqlServer.Dts.Runtime
Imports System.Net.Mail

Public Class ScriptMain
Public Sub Main()
Dim htmlMessageTo As String = "me.here@mydomain.com"
Dim htmlMessageFrom As String = "SSIS@mydomain.com"
Dim htmlMessageSubject As String = "SSIS Success - My Package"
Dim htmlMessageBody As String = _
Dts.Variables("User::HTMLtemplateText").Value.ToString
Dim smtpServer As String = "myExchangeSERVER"
SendMailMessage( _
htmlMessageTo, htmlMessageFrom, _
htmlMessageSubject, htmlMessageBody, _
True, smtpServer)

Dts.TaskResult = Dts.Results.Success

End Sub

Private Sub SendMailMessage( _
ByVal SendTo As String, ByVal From As String, _
ByVal Subject As String, ByVal Body As String, _
ByVal IsBodyHtml As Boolean, ByVal Server As String)

Dim htmlMessage As MailMessage
Dim mySmtpClient As SmtpClient

htmlMessage = New MailMessage( SendTo, From, Subject, Body)
htmlMessage.IsBodyHtml = IsBodyHtml

mySmtpClient = New SmtpClient(Server)
Dim myCred As New System.Net.CredentialCache()
mySmtpClient.Credentials = System.Net.CredentialCache.DefaultNetworkCredentials
mySmtpClient.Send(htmlMessage)
MsgBox("Mail sent")
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Case Does Not Work In My Select Statement

Dec 13, 2007

Hello everybody
I have problem with CASE statement. Here is select it



Code Block
select
mev.Id
,mev.MetaElementId
,mev.ElementValue
,mev.DocumentId
,me.ElementTypeId
,castedValue =
case
when me.ElementTypeId =3 then cast(mev.ElementValue as integer)
when me.ElementTypeId =4 then cast(mev.ElementValue as datetime)
end
from dbo.tbMetaElementValue mev
inner join dbo.tbMetaElement me
on mev.MetaElementId = me.Id
where mev.MetaElementId =7


it returns











Id
MetaElementId
ElementValue
DocumentId
ElementTypeId
castedValue

49
7
2006
28
3
6/30/1905 0:00

53
7
2004
30
3
6/28/1905 0:00

61
7
2006
36
3
6/30/1905 0:00

67
7
2005
38
3
6/29/1905 0:00

70
7
2004
39
3
6/28/1905 0:00

105
7
2003
63
3
6/27/1905 0:00

166
7
2006
109
3
6/30/1905 0:00

195
7
2005
129
3
6/29/1905 0:00

220
7
2005
150
3
6/29/1905 0:00

223
7
2006
151
3
6/30/1905 0:00

As you can see it should return castedValue as integer but it cast to datetime which is wrong. If I commented line



Code Block
when me.ElementTypeId =4 then cast(mev.ElementValue as datetime)

it casts everything normal, but as soon as it has more than one condition in CASE it will choose anything but not right casting

Looks like I am missing something really fundamental. Any help is apreciated !

Thanks

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Mar 6, 2007

I'm trying to work my way through the steps of using a User Id and Password in a connection string.

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I thought it would be simple enough that I could post the whole thing (below)

The test works fine with Integrated Security = True in the connection string. When I remove that phrase, I get the error:

{"CREATE DATABASE permission denied in database 'master'.
An attempt to attach an auto-named database for file E:MyPathApp_DataVSST_DB.mdf failed. A database with the same name exists, or specified file cannot be opened, or it is located on UNC share."}

This occurs on the cn.Open statement below.

It gets past the login, so I know that the SQL User and password match up correctly.

==========================
<connectionStrings>
<add name="VSST_CN"
connectionString="Data Source=MyServerSQLEXPRESS;AttachDbFilename=E:MyPathApp_DataVSST_DB.mdf;User Id = VSST; Password=vsst123"
providerName="System.Data.SqlClient"/>
</connectionStrings>

=========================
Page Code Behind (no controls on page)
------------

Imports System.Data
Imports System.Data.SqlClient

Partial Class _Default
Inherits System.Web.UI.Page

Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load

Dim cn As SqlConnection = New SqlConnection(ConfigurationManager.ConnectionStrings("VSST_CN").ToString())

Dim cmd As SqlCommand = New SqlCommand("SELECT COUNT(*) FROM VSST_Table", cn)
cn.Open()
Dim rdr As SqlDataReader = cmd.ExecuteReader(CommandBehavior.CloseConnection)
rdr.Read()
Response.Write(rdr(0).ToString())


End Sub
End Class


=================
The DB

Table VSST_Table,
ID is int, primary key, identity
Field1, Field2, Field3, Field4, Field5 are varchar(50)

I added one record ("A", "B", "C", "D", "E") to the table through VS2005 Server Explorer

This shows up in Count = 1 from running the page when Integrated Security = True



=================
In SSMSE: (this is ALL I did, tried to use the minimum so not to confuse...)

I added the SQL Authentication Server level user "VSST" with the password "vsst123" (and the login works, as noted above)

I attach the .mdf

I add VSST to the Database Users, and give it db_owner

I add VSST to the Table with all permissions checked.

=====================================

I can't figure this out. This is a very vanilla test and I'm stumped. I'm about to give up on SQL Authentication entirely (at least for now), and just try to filter my inputs for SQL Injections...that's the only reason I have (at this stage in my biz plan) for needing SQL Authentication. On the other hand, I really don't like being this stumped on something that is so widely promoted as a common practice.

Any help on this would be greatly appreciated.

Thanks!

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Hi,

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I'd appreciate it if you could help me on this?

Thanks in advance.

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Updates, But Doesnt Insert..

Nov 5, 2007

Hi,I have a button with code to update a column in a table, and insert other values into another table.I currently have it working to update the column, but not insert.It gives an error message, but still updates the column. It doesn't insert, which leads me to believe the error is somewhere in the insert code..It isn't giving me any red squiggly lines in the code though, and the error doesn't show where its referring to, just giving a stack trace.. Error: Exception Details: System.Data.SqlClient.SqlException: Incorrect syntax near ')'.Incorrect syntax near '@User'.Stack: [SqlException (0x80131904): Incorrect syntax near ')'.Incorrect syntax near '@User'.] System.Data.SqlClient.SqlConnection.OnError(SqlException exception, Boolean breakConnection) +180 System.Data.SqlClient.SqlInternalConnection.OnError(SqlException exception, Boolean breakConnection) +68 System.Data.SqlClient.TdsParser.ThrowExceptionAndWarning(TdsParserStateObject stateObj) +199 System.Data.SqlClient.TdsParser.Run(RunBehavior runBehavior, SqlCommand cmdHandler, SqlDataReader dataStream, BulkCopySimpleResultSet bulkCopyHandler, TdsParserStateObject stateObj) +2411 System.Data.SqlClient.SqlCommand.FinishExecuteReader(SqlDataReader ds, RunBehavior runBehavior, String resetOptionsString) +147 System.Data.SqlClient.SqlCommand.RunExecuteReaderTds(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, Boolean async) +1089 System.Data.SqlClient.SqlCommand.RunExecuteReader(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, String method, DbAsyncResult result) +314 System.Data.SqlClient.SqlCommand.InternalExecuteNonQuery(DbAsyncResult result, String methodName, Boolean sendToPipe) +413 System.Data.SqlClient.SqlCommand.ExecuteNonQuery() +115 detailproview.ExecuteInsert(String quantity) +452 detailproview.Button2_Command(Object sender, CommandEventArgs e) +79 System.Web.UI.WebControls.Button.OnCommand(CommandEventArgs e) +75 System.Web.UI.WebControls.Button.RaisePostBackEvent(String eventArgument) +155 System.Web.UI.WebControls.Button.System.Web.UI.IPostBackEventHandler.RaisePostBackEvent(String eventArgument) +7 System.Web.UI.Page.RaisePostBackEvent(IPostBackEventHandler sourceControl, String eventArgument) +11 System.Web.UI.Page.RaisePostBackEvent(NameValueCollection postData) +33 System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +4886  Code:private bool ExecuteUpdate(int quantity){  SqlConnection con = new SqlConnection();  con.ConnectionString = "Data Source=.\SQLEXPRESS;AttachDbFilename=|DataDirectory|\ASPNETDB.MDF;Integrated Security=True;User Instance=True";  con.Open();  SqlCommand command = new SqlCommand();  command.Connection = con;  TextBox TextBox1 = (TextBox)FormView1.FindControl("TextBox1");  Label labname = (Label)FormView1.FindControl("Label3");  Label labid = (Label)FormView1.FindControl("Label13");  command.CommandText = "UPDATE Items SET Quantityavailable = Quantityavailable - @qty WHERE productID=@productID";  command.Parameters.Add("@qty", TextBox1.Text);  command.Parameters.Add("@productID", labid.Text); command.ExecuteNonQuery();  con.Close();  return true;}    private bool ExecuteInsert(String quantity)    {        SqlConnection con = new SqlConnection();        con.ConnectionString = "Data Source=.\SQLEXPRESS;AttachDbFilename=|DataDirectory|\ASPNETDB.MDF;Integrated Security=True;User Instance=True";        con.Open();        SqlCommand command = new SqlCommand();        command.Connection = con;        TextBox TextBox1 = (TextBox)FormView1.FindControl("TextBox1");        Label labname = (Label)FormView1.FindControl("Label3");        Label labid = (Label)FormView1.FindControl("Label13");        command.CommandText = "INSERT INTO Transactions (Usersname)VALUES (@User)"+          "INSERT INTO Transactions (Itemid)VALUES (@productID)"+          "INSERT INTO Transactions (itemname)VALUES (@Itemsname)"+          "INSERT INTO Transactions (Date)VALUES (+DateTime.Now.ToString() +)"+          "INSERT INTO Transactions (Qty)VALUES (@qty)"+        command.Parameters.Add("@User", System.Web.HttpContext.Current.User.Identity.Name);        command.Parameters.Add("@Itemsname", labname.Text);        command.Parameters.Add("@productID", labid.Text);        command.Parameters.Add("@qty", TextBox1.Text);        command.ExecuteNonQuery();        con.Close();        return true;    }protected void Button2_Click(object sender, EventArgs e){  TextBox TextBox1 = FormView1.FindControl("TextBox1") as TextBox;  ExecuteUpdate(Int32.Parse(TextBox1.Text) );}protected void Button2_Command(object sender, CommandEventArgs e)    {        if (e.CommandName == "Update")        {            TextBox TextBox1 = FormView1.FindControl("TextBox1") as TextBox;            ExecuteInsert(TextBox1.Text);        }    }}  If anyone can help, ill be very grateful!! Thanks!Jon 

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