How To Declare And Use Variables In A View

Sep 12, 2014

I have a select statement that works fine. Now I need to create a view with this statement and I have problems with the variables that I need to declare.

Is there a way to include the declare command in a view?

I can not use a stored procedure this time.

This is the statement:

DECLARE @FirstDate DATE,
@SecondDate DATE,
@ThirdDate DATE
SELECT @FirstDate = MAX(fecha_valor) FROM MPR_Historico_Posiciones
---SELECT @SecondDate = MAX(fecha_valor) FROM MPR_Historico_Posiciones WHERE fecha_valor<> @FirstDate
SELECT @SecondDate = dateadd(week,-1,max(fecha_valor)) FROM MPR_Historico_Posiciones

[code]....

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How To Declare Variables Per Row

Oct 13, 2014

I know how to set a variable for the entire query, but how do I set one per row?

I have one query which is growing beyond my ability to understand/maintain it. I factor in the sale price of an item based on cost, our markup, shipping & channel fees. The problem is that each one of these has it's own variability. I would like to be able to store inline calculations as a variable such that I can call & add them. Example:

My code currently looks like this

CREATE TABLE #tempPrice (
product NVARCHAR(40)
,price DECIMAL(18,2)
)
insert into #tempPrice (product,price) values('prod1','18.00')

[Code] ....

I would like to be able to work with it this way:

SELECT
product
,price
,Cast(price * 1.1 as decimal(18,2)) as markup
,@markup + 5 as 'markup-and-shipping' -- <-- This factors in all of the previous calculations, plus something new.
FROM #tempPrice

I use Microsoft SQL 2008

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Feb 15, 2005

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Jan 8, 2008

Hello there,

i have been asked about a thing that, i think, is not possible. But maybe i am wrong.

question:
Is it possible to have a Stored Procedure in that the declaration of the variables is dynamic?
This means, can i get the variable name and the type of it from a database to create
a dynamic stored procedure that changes itself by firing a trigger.

Thanks for all oppinions and answers.
everWantedLINUX

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Apr 3, 2007

I have created the following stored procedure in sql server 2005.I m using asp.net with C# 2005.
Can someone please rectify my errors why i m getting such type of the errors...



ALTER PROCEDURE CompanyStoredProcedure
@uspcompanyid INT NULL,
@uspcompanyname VARCHAR(20),
@uspaddress1 VARCHAR(30),
@frmErrorMessage AS VARCHAR(256) OUTPUT,
@RETURNVALUE AS INT OUTPUT,
@RETURNID AS INT OUTPUT
AS
BEGIN

SET NOCOUNT ON

/*

RETURN_VALUE Comments
1Data Inserted
2Data Updated
-9Other errors
*/
DECLARE @companyid INT,
@companyname VARCHAR(20),
@address1 VARCHAR(30)

--validation...
IF ( @uspcompanyname IS NULL OR @uspcompanyname = '' )
BEGIN
SET @RETURNVALUE = -9
SET @frmErrorMessage = 'Company Name is empty'
RETURN -9
END

IF EXISTS ( SELECT * FROM Companymaster WHERE Companyid = @companyid )
BEGIN
UPDATE Company
SET companyname = @companyname,
address1 = @address1
WHERE companyid= @uspcompanyid

SET @frmErrorMessage = 'Company Name/Address has been updated'
SET @RETURNVALUE = 2
END
ELSE
BEGIN
INSERT INTO companymaster ( companyname, address1 )
VALUES (@companyname,@address1)

SET @frmErrorMessage = 'Company Name/Address info has been Inserted'
SET @RETURNVALUE = 1
END

SET NOCOUNT OFF
END


THANXS in advance.

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Sep 12, 2005

Hello everyone,

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Oct 26, 2005

Hi, I'm a complete newbie to SQLServer and t-sql generally. What I want to do is create a new variable in a stored procedure based upon the value of another variable.

eg in the loop below I want to create 10 new variables, called @var0,@var1,@var2 ...@var9



declare @varname nvarchar(10)
declare @i integer

select @i=0

while @i<10
begin
set @varname = cast(('@var'+cast(@i as char)) as nvarchar(10))
set @i=@i+1
end

Does anyone know of a way to do this?

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Sep 30, 2006



dear all

how can i create view within declare ?

if i had one script contains declare if it is possible to combine both table with union ?

declare @a varchar(20)
select @a = ptraceno from phonelevel
where(ptraceno = '0913787170' or otherno = '0913787170')
select * from phonelevel where ptraceno = @a

declare @b varchar(20)
select @b = ptraceno from phonelevel
where(ptraceno = '0913011676' or otherno = '0913011676')
select * from phonelevel where ptraceno = @b

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Oct 17, 2006

This one has me stumped.

I created an updateable partioned view of a very large table. Now I get an error when I attempt to declare a CURSOR that SELECTs from the view, and a FOR UPDATE argument is in the declaration.

There error generated is:

Server: Msg 16957, Level 16, State 4, Line 3

FOR UPDATE cannot be specified on a READ ONLY cursor



Here is the cursor declaration:



declare some_cursor CURSOR

for

select *

from part_view

FOR UPDATE



Any ideas, guys? Thanks in advance for knocking your head against this one.

PS: Since I tested the updateability of the view there are no issues with primary keys, uniqueness, or indexes missing. Also, unfortunately, the dreaded cursor is requried, so set based alternatives are not an option - it's from within Peoplesoft.

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Jul 28, 2004

Hi All,

I would like to create a view based on a variable (a date).

CREATE VIEW testView (@myDate)
AS

select * from testTable
WHERE testVar = @myDate

--
This is far from what the final view would look like, but if anyone knows if something similiar to this can be done, I would greatly appreciate it.

Thanks.

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Sep 4, 2006

Hi,

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João





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Jan 24, 2006

Hi,

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I will run it by commands: exec xp_cmdshell 'dtexec /SQL ....' (pls see an example below).

It seems it does not get the values passed in for those variables. I deployed the package to a sql server.

are there any grammar errors here? I copied it from dtexecui. It worked inside Dtexecui not in dos command.

exec xp_cmdshell 'dtexec /SQL "LoadExcelDB" /SERVER test /USER *** /PASSWORD ****

/MAXCONCURRENT " -1 " /CHECKPOINTING OFF /REPORTING EW

/LOGGER "{6AA833A1-E4B2-4431-831B-DE695049DC61}";"Test.SuperBowl"

/Set Package.Variables[User::varExcelFileName].Properties[Value];"TestAdHocLayer"

/Set Package.Variables[User::varExcelWorkbookName].Value;"Sheet1$"

/Set Package.Variables[User::varExcelFileFullPath].Value;"D: estshareTestAdHocLayer.xls"

/Set Package.Variables[User::varDestinationTableName].Value;"FeaturesTmp"

/Set Package.Variables[User::varPreSQLAction].Value;"delete from FeaturesTmp"

'



thanks,



Guangming

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Aug 23, 2006

I am trying to get a grasp on the Sql Stored procedures it seems i dont really understnad what DECLARE @Date DateTime means??? I mean i think it means that i am just declaring a varible name Date that will hold a DateTime Value??? is that correct or is it more to it????

CREATE PROCEDURE dbo.Tracking_GetStatus
AS
DECLARE @Date DateTime
DECLARE @Begining DateTime
DECLARE @Ending DateTime

SET @Date = GETDATE()
SET @Begining = DATEADD(ss,(DATEPART(ss,@Date)*-1),
DATEADD(mi,(DATEPART(mi,@Date)*-1),
DATEADD(hh,(DATEPART(hh,@Date)*-1),@Date)))
SET @Ending = DATEADD(ss,-1,
DATEADD(dd,1,DATEADD(ss,(DATEPART(ss,@Date)*-1),
DATEADD(mi,(DATEPART(mi,@Date)*-1),
DATEADD(hh,(DATEPART(hh,@Date)*-1),@Date)))))

SELECT
Vehicl,
UpdateTi
XCoord,
YCoord,
Status
FROM Track
WHERE UpdateTime >= @Begining
AND UpdateTime <= @Ending
RETURN


GO

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Aug 25, 2006

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Oct 26, 2007

Hi everyone,
I am getting that infamous message on an INSERT Sql query. I am doing everything right by the looks of it. All variables are either passed in through a custom form, or else declared and initialised  in the body of the script.
I post the relevent code below:
SQLsqlInsertEmail = "INSERT INTO CandidateLogins (SiteID, LoginName, CandidateEmail, DateRegistered) " & _" VALUES (@SiteID, @LoginName, @CandidateEmail, @DateRegistered); SELECT SCOPE_IDENTITY()"Try    sqlSetCandidateEmail.Parameters.Add(New SqlParameter("@SiteID", SqlDbType.Int))    sqlSetCandidateEmail.Parameters("@SiteID").Value = SiteID    sqlSetCandidateEmail.Parameters.Add(New SqlParameter("@LoginName", SqlDbType.VarChar))    sqlSetCandidateEmail.Parameters("@LoginName").Value = userName    sqlSetCandidateEmail.Parameters.Add(New SqlParameter("@CandidateEmail", SqlDbType.VarChar))    sqlSetCandidateEmail.Parameters("@CandidateEmail").Value = email    sqlSetCandidateEmail.Parameters.Add(New SqlParameter("@DateRegistered", SqlDbType.DateTime))    sqlSetCandidateEmail.Parameters("@DateRegistered").Value = DateRegistered    sqlSetCandidateEmail = New SqlCommand(sqlInsertEmail, C4LConnection)
    C4LConnection.Open()    CandidateID = sqlSetCandidateEmail.ExecuteScalar()
Catch Exp As SqlException    lblResults.Visible = True    lblResults.Text = "Unable to Register Jobseeker: " & Exp.MessageFinallyC4LConnection.Close()End Try
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If MyVar = "" Then
ErrorMessage.Text = "Please select a test"
Else
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Dim oCommand As SqlCommand
Dim sConnString As String
Dim sSQL As String
sConnString = "Data Source=.SQLEXPRESS;AttachDbFilename=|DataDirectory|xxxxx.mdf;Integrated Security=True;User Instance=false"oConnection = New SqlConnection(sConnString)
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oCommand.ExecuteNonQuery()
oConnection.Close()
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End If
End Sub
 
<asp:TemplateField HeaderText="Test">
<EditItemTemplate>
 
<asp:DropDownList ID="ddltest" runat="server" AutoPostBack="True" OnSelectedIndexChanged="ddltest_SelectedIndexChanged" >
<asp:ListItem Selected="True" Value="" ><-- Please Select a test --></asp:ListItem><asp:ListItem Value="1">1</asp:ListItem>
<asp:ListItem Value="2">2</asp:ListItem>
<asp:ListItem Value="3">3</asp:ListItem>
<asp:ListItem Value="4">4</asp:ListItem>
<asp:ListItem Value="5" >5</asp:ListItem>
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Oct 4, 2000

Is there any way to create a cursor, based on a dynamically created select_statement? Something like:
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I don't want to create a stored procedure for this.


Thanks!

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Dec 17, 2001

Hi,

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thanks,
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OMG i'm so stupid, i edited my original post instead of replying!!

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Example.

Table 1.

Column1 (Modem) Column2 (Highspeed) Column3 (Black)

Concatenated to be MODEM HIGHSPEED BLACK.

The 2nd table has the concatenated value as it's own column and 2nd column for the number in Inventory.

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May 29, 2008

When I run this script.It gives me an error that I need to "Delcare @pc2" Why? Please help.

Declare @pc2 Table

([prop_char_typ_code] [varchar](5) NOT NULL,
[tax_year] [varchar](4) NOT NULL,
[property_id] [int] NOT NULL,
[id] [int] IDENTITY(1,1) NOT NULL,
[value] [varchar](100) NULL,
[prop_segment_id] [int] NULL)

Insert into @pc2

([prop_char_typ_code],
[tax_year],
[property_id],
[id],
[value],
[prop_segment_id])

Select

[prop_char_typ_code],
[tax_year],
[property_id],
[id],
[value],
[prop_segment_id]

from property_char


Go

SELECT 'ACRES', '2008', property_char.property_id, ROUND(property_char.value,0)
FROM

property_char INNER JOIN
property ON property_char.property_id = property.id INNER JOIN
property_char AS @pc2 ON property.id = @pc2.property_id INNER JOIN
prop_valuation ON property.id = prop_valuation.property_id INNER JOIN
val_component ON property.id = val_component.property_id

WHERE property_char.property_id < 81695 AND
property_char.property_id = property.id AND
property_char.prop_char_typ_code = 'SIZE' AND
property_char.tax_year = '2008' AND
@pc2.prop_char_typ_code = 'USECD' AND
(@pc2.value not in ('85','86','87','88','95') AND --( <=== Review list of Usecodes))
@pc2.tax_year = '2008' AND
@pc2.property_id = property.id AND
property.pact_code = 'REAL' AND
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val_component.value_type = 'MKLND' AND
val_component.property_id = property.id AND
val_component.tax_year = '2008' AND
val_component.modified_value > 0)AND
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Dec 2, 2007

Dear All,
actually, in our application, we are using so many temporary local variables like @table_name....

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what exactly i want to know is,
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in these three processes, which one is the best one...

thanks in advance

Vinod
Even you learn 1%, Learn it with 100% confidence.

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Feb 10, 2008

declare @fdas as varchar(10)
set @fdas = 'master'

use @fdas

i try to execute this one it does not work
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Incorrect syntax near '@fdas'. how to fix that one? by not replacing the @fdas

but i got master database

------------

what is the difference actually between

use master than the first querry?



arifliminto86

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Jul 20, 2005

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Jan 11, 2008

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select @DBName
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When I executes above lines of code in query analyser it give me an error like :

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Must declare the variable '@DBName'.

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Aric

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Aug 13, 2006



I keep getting the message

Msg 156, Level 15, State 1, Line 3

Incorrect syntax near the keyword 'declare'.

Msg 156, Level 15, State 1, Line 4

Incorrect syntax near the keyword 'declare'.



What am I doing wrong?





declare @dbname varchar(8000),

declare @countyname varchar (200) ,

declare @sql varchar(8000)



declare county_name cursor for

select distinct county from Zipcodes

open county_name

fetch next from county_name

into @countyname



declare dbname_name cursor for

select name from sys.databases where name like 'Property%' and name <> 'PropertyCenter'

open dbname_name

fetch next from dbname_name

into @dbname





WHILE @@FETCH_STATUS = 0

BEGIN

set @sql =

'

select p.sa_property_id, z.zipcode as sa_site_zip, z.state as sa_site_state, z.city as sa_site_city, z.county as sa_site_county,@dbname ,(select @@servername) as servername, county'+@countyname+'

from zipcodes z join tbl_reply_assr_final p on z.zipcode = p.sa_site_zip'

exec (@sql)

end

set @sql = ''

fetch next from dbname_name into @dbname

fetch next from county_name into @countyname





CLOSE county_name

DEALLOCATE county_name

CLOSE dbname_name

DEALLOCATE dbname_name

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Oct 10, 2006

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The following is the code that I currently have, it's a simplified version of the total SP that I am trying to use, but enough to give you the idea of what I am trying to do.

The MemberId field is a varchar(20) in the table.

Create procedure sp_GetClaims_BY_MemberID
@Memberid varchar (50)
as
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 I am currently working in SQL 2000.

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Jul 17, 2006

Hello!

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This is my code:



<%@ Page Language="VB" AutoEventWireup="false" CodeFile="CostEmployee1.aspx.vb" Inherits="RecursosHumanos_CostEmployee1" %>

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UpdateCommand="UPDATE [HR.CostEmployee] set Period = @Period, CostHour = @CostHour where Id_CostEmployee = @Id_CostEmployee"
DeleteCommand="DELETE from [HR.CostEmployee] where (Id_CostEmployee = @Id_CostEmployee)"> <UpdateParameters> <asp:Parameter Name="Period" /> <asp:Parameter Name="CostHour" /> <asp:Parameter Name="Id_CostEmployee" /> </UpdateParameters> <DeleteParameters> <asp:Parameter Name="Id_CostEmployee" Type="int32" /> </DeleteParameters> </asp:SqlDataSource> </div> </form></body></html> When I run the page I'm able to edit the row but when I try to delete it gives me the error:

Must declare the scalar variable "@Id_CostEmployee".

I'm tired of "googling" this error, and I've tried all the advices, nothing...
I don't know what is happening here, I have 5 other forms, all simillar and they all work!

Any suggestions, pleeeeaaaase?

Thank's!
Paula

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Jan 12, 2007

Hello guys! Is it possible to declare global sql commands and call it in a rowcommand_function?
Here's what I did...
  Dim p_s_syounin2 As New SqlCommand
Dim cnn As New SqlClient.SqlConnection(ConfigurationManager.ConnectionStrings("StrConn").ConnectionString)

Sub Page_Load(ByVal sender As System.Object, ByVal e As System.EventArgs)

If (Session("syozokubu_id") = 20) And (Session("syozokuka_id") = 21) And ((Session("kaikyuu_id") = 23)) Then

p_s_syounin2.CommandText= ("UPDATE TE_shounin_zangyou SET p_s_syounin2=syain_hnm FROM TR_syainID WHERE syozokubu_id=20 AND syozokuka_id=21 AND kaikyuu_id=23")
'''' connection string is not placed here acc. to my research
End If

End Sub

Protected Sub my_gridview_RowCommand(ByVal sender As Object, ByVal e As System.Web.UI.WebControls.GridViewCommandEventArgs) Handles my_gridview.RowCommand



If e.CommandName = "Approve" Then

cnn.Open()
p_s_syounin2.ExecuteNonQuery()

cnn.Close()

End If

End Sub




 
I get an error message that says " ExecuteNonQuery: Connection property has not been initialized. " 
 
Please help me.
 
Thanks guys.
 
Audrey

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Mar 30, 2007

Hi with the code below I am getting the error
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 I removed @contract and it then gave me the error
Error inserting record. Must declare the scalar variable "@zipWHERE"
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protected void cmdUpDate_Click(Object sender, EventArgs e)
{
//Define ADO.NET Objects.
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updateSQL += "au_id=@au_id, au_fname=@au_fname, au_lname=@au_lname, ";
updateSQL += "phone=@phone, address=@address, city=@city,state=@state, ";
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cmd.Parameters.AddWithValue("@au_lname", txtLastName.Text);
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cmd.Parameters.AddWithValue("@city", txtCity.Text);
cmd.Parameters.AddWithValue("@state", txtState.Text);
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}
catch (Exception err)
{
lblStatus.Text = "Error inserting record. ";
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}
finally
{
con.Close();
}
}
}
 
Many Thanks in advance
 

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Hi


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