Updating Values In One Row From Values In Another Row

Oct 13, 2007

Hi

I have a table containing:

ProductCat Product Qty NewQty
TypeA ProductA -10
TypeA ProductB 5
TypeB ProductX 8
TypeB ProductY -5

I need to get rid of negative values in the same ProductCat by adding surplus values to the negative values in the same ProductCat ie. This is what I ant the table to look like.

ProductCat Product Qty NewQty
TypeA ProductA -10 -5 (Add ProductB to ProductA in the same ProductCat to reduce the deficit)
TypeA ProductB 5 0 (Due to the fact that I added 5 to ProductA NewQty must be reduced by 5)
TypeB ProductX 8 3
TypeB ProductY -5 0 (Deficit only has to be reduced to 0 where possible therefor the balance
of 3 for ProductX)


Note the values in Qty can stay as the same. I am interested in the New values.
Could someone please help me with the correct method of doing this?


Thank you.

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Need Help For Updating Values

May 14, 2008

Hi!

I am trying to retrieve and update data. I am retrieving the data into the respective controls such as textboxes. The codes are follow:

Retrieve data - working

Dim sqlConn As New SqlConnection()
sqlConn.ConnectionString = ConfigurationManager.ConnectionStrings("ScheduleConnectionString").ToString()

Dim com As SqlCommand = New SqlCommand("SELECT * FROM Demo_Theatre_DB WHERE ID=" & "@ID", sqlConn)

Dim paramID As New SqlParameter("@ID", SqlDbType.Int)

paramID.Direction = ParameterDirection.Input

com.Parameters.Add(paramID)
paramID.Value = e.Value
sqlConn.Open()
Dim reader As SqlDataReader = com.ExecuteReader()
While reader.Read()
StartTimeTextBox.Text = reader("StartTime")
EndTimeTextBox.Text = reader("EndTime")
CompanyNameTextBox.Text = reader("CompanyName")
PurposeTextBox.Text = reader("Purpose")
AccountManagerTextBox.Text = reader("AccountManager")
PresenterTextBox.Text = reader("Presenter")
ColorDDL.SelectedValue = reader("ColorCode")
StatusRadioButtonList.SelectedValue = reader("Status")
CommentTextBox.Text = reader("Comments")
End While


update the data - NOT WORKING


Dim sqlConn As New SqlConnection()
sqlConn.ConnectionString = ConfigurationManager.ConnectionStrings("ScheduleConnectionString").ToString()

Dim cmd As SqlCommand = New SqlCommand("UPDATE Demo_Theatre_DB SET StartTime = @StartTime, EndTime = @EndTime, CompanyName = @CompanyName, Purpose = @Purpose, AccountManager = @AccountManager, Presenter = @Presenter, ColorCode = @ColorCode, Status = @Status, Comments = @Comments WHERE ID=@ID")

cmd.Parameters.AddWithValue("StartTime", StartTimeTextBox.Text)
cmd.Parameters.AddWithValue("EndTime", EndTimeTextBox.Text)
cmd.Parameters.AddWithValue("CompanyName", CompanyNameTextBox.Text)
cmd.Parameters.AddWithValue("Purpose", PurposeTextBox.Text)
cmd.Parameters.AddWithValue("AccountManager", AccountManagerTextBox.Text)
cmd.Parameters.AddWithValue("Presenter", PresenterTextBox.Text)
cmd.Parameters.AddWithValue("ColorCode", ColorDDL.SelectedValue)
cmd.Parameters.AddWithValue("Status", StatusRadioButtonList.SelectedValue)
cmd.Parameters.AddWithValue("Comments", CommentTextBox.Text)

Try
sqlConn.Open()
cmd.ExecuteScalar()

Catch ex As Exception
InsertMsgLabel.Text = ex.ToString
End Try
End Sub


I am getting the following error whenever I click update button.
"ExecuteScalar: Connection property has not been initialized"

Your help will be appriciated!

Thanks!

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ColumnA ColumnB ColumnC
-------------------------------
Alice Lukas Alice.Lucas
James Redford James.Redford
James Redford James.Redford
Michael Jackson Michael.Jackson
John Brown John.Brown
John Brown John.Brown
John Brown John.Brown
George Gotham George.Gotham


I want to update duplicated values at ColumnC like:


Alice Lukas Alice.Lucas
James Redford James.Redford
James Redford James.Redford1
Michael Jackson Michael.Jackson
John Brown John.Brown
John Brown John.Brown1
John Brown John.Brown2
George Gotham George.Gotham


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Note: Table is for creating email aliases from names...

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SELECT
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from #followups


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Feb 27, 2014

I have a script that I use after some amount of data massaging (not shown). I would like to be able to change the

1) denominator value (the value 8 in line 32 of my code) based on how many columns are selected by the where clause:

where left(CapNumber,charindex('_', CapNumber)-1) = 1where capNumber is a value like [1_1], [1_4], [1_6]...[1_9] capNumber can be any values from [1_1]...[14_10] depending upon the specialty value (example: Allergy) and the final number after the equal sign is a number from 1 to 14)

2) I'd like to dynamically determine the series depending upon which values correspond to the specialty and run for each where: left(CapNumber,charindex('_', CapNumber)-1) = n. n is a number between 1 and 14.

3) finally I'd like to dynamically determine the columns in line 31 (4th line from the bottom)

If I do it by hand it's 23 * 14 separate runs to get separate results for each CapNumber series within specialty. The capNumber series is like [1_1], [1_2], [1_3],[1_4], [1_5], [1_6], [1_7], [1_8],[1_9]
...
[8_4],[8_7]
...
[14_1], [14_2],...[14_10]
etc.

Again, the series are usually discontinuous and specific to each specialty.

Here's the portion of the script (it's at the end) that I'm talking about:

--change values in square brackets below for each specialty as needed and change the denom number in the very last query.

if object_id('tempdb..#tempAllergy') is not null
drop table #tempAllergy
select *
into #tempAllergy
from
dbo.#temp2 T

[Code] ....

If I were to do it manually I'd uncomment each series line in turn and comment the one I just ran.

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SQL Server 2012 :: Replace All Values In String With Values From Look Up Table

Mar 19, 2014

I have a table that lists math Calculations with "User Friendly Names" that look like the following:

([Sales Units]*[AUR])
([Comp Sales Units]*[Comp AUR])

I need to replace all the "User Friendly Names" with "System Names" in the calculations, i.e., I need "Sales Units" to be replaced with "cSalesUnits", "AUR" replaced with "cAUR", "Comp Sales Units" with "cCompSalesUnits", and "Comp AUR" with "cCompAUR". (It isn't always as easy as removing spaces and added 'c' to the beginning of the string...)

The new formulas need to look like the following:

([cSalesUnits]*[cAUR])
([cCompSalesUnits]*[cCompAUR])

I have created a CTE of all the "Look-up" values, and have tried all kinds of joins, and other functions to achieve this, but so far nothing has quite worked.

How can I accomplish this?

Here is some SQL for set up. There are over 500 formulas that need updating with over 400 different "look up" possibilities, so hard coding something isn't really an option.

DECLARE @Synonyms TABLE
(
UserFriendlyName VARCHAR(128)
, SystemNames VARCHAR(128)
)
INSERT INTO @Synonyms
( UserFriendlyName, SystemNames )

[Code] .....

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