Update / Delete With Joins

Jul 23, 2005

Asking for some sample SQL/SP code to perform updates/deletes with joined
tables.

Example 1:
For every record that is matched on both tables A and B, update a field in
table A.

Example 2:
For every record that is matched on both tables A and B, delete record in
table A.

TIA.

~ Duane Phillips.

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DELETE On Inner Joins

Jun 17, 2007

DELETE FROM ObPostEvent WHERE EpisodeID IN (SELECT ID FROM ObMotherEpisode WHERE ID = @Urno)

DELETE FROM ObPostEvent INNER JOIN ObMotherEpisode ON ObMotherEpisode.ID = ObPostEvent.EpisodeID WHERE ObMotherEpisode.ID = @Urno

Are the 2 statements give the same meaning? I get an error for the 2nd statement as follows :-

Server: Msg 156, Level 15, State 1, Procedure spArchiveObPostEvent, Line 78
Incorrect syntax near the keyword 'INNER'.

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What is wrong in this query am getting incorrect syntax near ','.error. I am using sql server 2014

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INNER JOIN Articles AS b ON ab.ArticleID=b.ArticleID
WHERE AuthorLastName='Tom';

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Feb 1, 2014

I am trying to do a query like this...

UPDATE g
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grpcon AS gp ON g.GroupID = gp.GroupID INNER JOIN
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Mar 6, 2007

Hi All,I have a Access front-end,the tables are from SQL server 2000 andlinked via ODBC using DSN.I have a Main table and several related tables.The Main table has aOne -to- Many relationship with the related tables.When I try to delete a record from the front-end,I get a error msg "the table is locked,you and another user are attempting to delete/update the same record".I am the single user and I am at a loss tounderstand what the problem is.I have to explain that I never had a problem when i was using Accessas the backend too.Is it because of linking?Any suggestions?Roy

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Nov 3, 2000

We find that a delete command on a table where the rows to be deleted involve an inner join between the table and a view formed with an outer join sometimes works, sometimes gives error 625.

If the delete is recoded to use the join key word instead of the = sign
then it alway gives error 4425.


625 21 0 Could not retrieve row from logical page %S_PGID by RID because the entry in the offset table (%d) for that RID (%d) is less than or equal to 0. 1033
4425 16 0 Cannot specify outer join operators in a query containing joined tables. View '%.*ls' contains outer join operators.
The delete with a correleted sub query instead of a join works.

Error 4425 text would imply that joins with view formed by outer joins should be avoided.

Any ideas on the principles involved here.

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Aug 18, 2007

If we want to maintain the data in relationships.
There are two ways to do it.
1. Auto (Like Cascading Update And Delete)
2. Manually (Like In Stored Procedures)
I read an intresting article
http://imar.spaanjaars.com/QuickDocId.aspx?quickdoc=419
In this article Imar has choosen the second way (Manually).
And when I talk to Imar.
He said, "Cascading deletes would have worked equally well in this situation. However, I personally don't like them too much. I am much rather in control, enabling me to delete what I want and when I want it. I could, for example, keep certain data for "time travelling scenarios" (e.g. the state things were in some time ago) or I might want to keep it for other purposes."
Can any one help me to choose the better one.
 
Waiting for helpful replies.

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Dec 13, 2007

Hi All,
I have this project I'm working on it's Product Content Management System rewrite. I got to the point of updating the Product By Sku and not sure if I should use UPDATE statement or I should DELETE sections assosiated with the ProductContentID and then re-insert them again? I'm not sure which is more afficient?
I can really do both and it's really not that complicated, the only problem I see with DELETE then INSERT is the ProductContentSectionId in the Sections table is going to grow very fast and I'm a bit concerned about it.
We use SQL Server 2000 and we have about 4 bound tables where we keep the data. The one I'm talking about is the sections table where we keep the actual types of product content like a BoxShot, Description, Key Features and so on...
Thank you in advance!
Tatyana Hughes
 

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Mar 21, 2008

I have two buttons on my page, one which will update content the other which will delete content from my slq database.
I get this error "CS1501: No overload for method 'updateBlockContent' takes '2' arguments" when I click on my update button.
I get this error "CS1501: No overload for method 'deleteBlockContent' takes '2' arguments" when I click on my delete button.
This is my method for updating - UPDATE [CMS] SET [BlockName] = @BlockName, [BlockContent] = @BlockContent WHERE (([BlockID] = @Original_BlockID))
This is my C# code behind the update button:protected void btnUpdateBlock_Click(object sender, EventArgs e)
{CMSTableAdapter ta = new CMSTableAdapter();
try
{
ta.updateBlockContent(txtBlockName.Text, txtBlockContent.Text);lblFeedback.Text = "Block Updated.";txtBlockName.Text = txtBlockContent.Text = "";
}
catch (Exception ex) { lblFeedback.Text = ex.ToString(); }
finally
{lblFeedback.Visible = true;
ta.Dispose();
}
}
This is my method for deleting - DELETE FROM [CMS] WHERE (([BlockID] = @Original_BlockID))
This is my C# code behind the delete button:protected void btnDeleteBlock_Click(object sender, EventArgs e)
{CMSTableAdapter ta = new CMSTableAdapter();
try
{
ta.deleteBlockContent(txtBlockName.Text, txtBlockContent.Text);lblFeedback.Text = "Block Deleted.";txtBlockName.Text = txtBlockContent.Text = "";
}
catch (Exception ex) { lblFeedback.Text = ex.ToString(); }
finally
{lblFeedback.Visible = true;
ta.Dispose();
}
}
Can somebody please explain why this is happening and how to remedy this problem.
Thanks,
Chris.

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Jul 12, 2004

hi,

I have a dataadaptor which i use to fill a dataset. I can do this no problems. But if I delete a row from the dataset and update the adaptor again, nothing gets changed in my source database. Does anyone know why this is?

here's my code for my dataadaptor:
SqlConnection conn = new SqlConnection(connectionString);
SqlDataAdapter adapter = new SqlDataAdapter();
adapter.SelectCommand = new SqlCommand("select * from tblExtRef", conn);
adapter.SelectCommand.Connection = conn;

SqlParameter parm;
SqlCommand cmd;
cmd = new SqlCommand("DELETE FROM tblextref WHERE extrefid = @extrefid",conn);
parm = cmd.Parameters.Add("@extrefid", SqlDbType.Int , 40, "extrefid");
parm.SourceColumn = "ExtRefid";
//parm.SourceVersion = DataRowVersion.Original;
//parm.Direction = ParameterDirection.InputOutput;
//SourceVersion = DataRowVersion.Original;
adapter.DeleteCommand = cmd;

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Jan 8, 1999

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I was able to get the UPDATE and DELETE to work but I have not figured out how to insert new records at the same time? Can I use an IF statement? I will apreciate any help or sample code, Thanks.

UPDATE MemberList
Set Name = NameUpd, Address1 = Address1Upd, Address2 = Address2Upd, City = CityUpd, State = StateUpd, ZipCode = ZipCodeUpd, MemberStatus = MemberstatusUpd
FROM MemberList, MemberListUpd
WHERE MemberList.MemberNumber = MemberListUpd.MemberNumberUpd

INSERT ?

DELETE MemberListUpd

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I know how to do this in MySQL; but I was hoping there was a way to do it in MS SQL.

I want to be able to limit the number of rows an UPDATE or DELETE will effect regardless of the WHERE clause. I want to do this as a stop gap in the event that there is a logical error in the WHERE clause that would make it effect more rows than is humanly intended.

If I write a complex query that I know should drill down to only affecting one row, I just want to lock it in before I run it on database and take the risk of damaging some data.

In MySQL you would just do something like this:

Code:

DELETE FROM table_name WHERE ... LIMIT 1;



The only thing close to LIMIT I could come up with for MS SQL was TOP but it seems to only work for SELECT.

Any ideas would be greatly appreciated.

I ask this because if you screw up; manually saving 1, 2 or even 5 rows is a lot easier than having to rescue a whole table of data (even if it on a development server).

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Hi,
I have two tables:

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Table RubricReport has columns ReportID, County,Dsitrict, DataYears, LastUpdate and LastUpdateBy

Table RubricReportDetail has columns ReportID, IndicatorID, LocalPerf

Kindly help me.

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Jan 22, 2008

Im trying to keep a mirror image of some data Im getting from Quickbooks.

As the records are inserted into the database I need to check if a record exists and either update or insert a new one.

it seems easier just to delete using the tnxid and reinsert vs updating

my question is if I go

begin

INSERT INTO QBInvoicesQue(100s of feilds)

end


begin

delete from QBInvoices where txnid = @TxnID

end

and there is not matching txnid to delete from will it cause any problems? before going to the insert statement?


begin

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-shl

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ON [dbo].[orders]
AFTER DELETE,UPDATE
AS
BEGIN
SET NOCOUNT ON;
DECLARE @ids int;
SELECT @ids =( SELECT id from DELETED);
DELETE FROM files WHERE OrderId = @ids;
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2 DeleteCommand="DELETE FROM [tblSubRegions] WHERE [SubRegionID] = ?"
3 InsertCommand="INSERT INTO [tblSubRegions] ([SubRegionID], [RegionID], [SubRegionName]) VALUES (?, ?, ?)"
4 ProviderName="<%$ ConnectionStrings:ehlConnectionString.ProviderName %>"
5 SelectCommand="SELECT tblSubRegions.SubRegionID, tblSubRegions.RegionID, tblSubRegions.SubRegionName, tblRegions.RegionName FROM (tblSubRegions INNER JOIN tblRegions ON tblSubRegions.RegionID = tblRegions.RegionID) WHERE (tblSubRegions.RegionID = ?) ORDER BY tblSubRegions.SubRegionName"
6 UpdateCommand="UPDATE [tblSubRegions] SET [RegionID] = ?, [SubRegionName] = ? WHERE [SubRegionID] = ?">
7
8 <DeleteParameters>
9 <asp:Parameter Name="SubRegionID" Type="Int32" />
10 </DeleteParameters>
11
12 <UpdateParameters>
13 <asp:Parameter Name="RegionID" Type="Int32" />
14 <asp:Parameter Name="SubRegionName" Type="String" />
15 <asp:Parameter Name="SubRegionID" Type="Int32" />
16 </UpdateParameters>
17
18 <SelectParameters>
19 <asp:ControlParameter ControlID="dropRegions" Name="RegionID" PropertyName="SelectedValue" Type="Int32" />
20 </SelectParameters>
21
22 <InsertParameters>
23 <asp:Parameter Name="SubRegionID" Type="Int32" />
24 <asp:Parameter Name="RegionID" Type="Int32" />
25 <asp:Parameter Name="SubRegionName" Type="String" />
26 </InsertParameters>
27
28 </asp:SqlDataSource>
29
30
31
32 <asp:SqlDataSource ID="SqlDataSource2" runat="server" ConnectionString="<%$ ConnectionStrings:ehlConnectionString %>"
33 ProviderName="<%$ ConnectionStrings:ehlConnectionString.ProviderName %>"
34 SelectCommand="SELECT [RegionID], [RegionName] FROM [tblRegions]">
35
36 </asp:SqlDataSource>
37
38
39
40 <asp:DropDownList id="dropStates" runat="server" OnSelectedIndexChanged="dropStates_SelectedIndexChanged" AutoPostBack="True">
41 </asp:DropDownList>
42
43 <asp:DropDownList id="dropRegions" runat="server" OnSelectedIndexChanged="dropRegions_SelectedIndexChanged" AutoPostBack="True">
44 </asp:DropDownList>
45
46
47
48 <asp:GridView ID="GridView1" runat="server" AllowPaging="True" AllowSorting="True"
49 AutoGenerateColumns="False" EnableViewState=false Width="100%" DataSourceID="SqlDataSource1">
50 <Columns>
51 <asp:TemplateField HeaderText="SubRegionName" SortExpression="SubRegionName">
52 <EditItemTemplate>
53 <asp:DropDownList ID="DropDownList1" runat="server" DataSourceID="SqlDataSource2"
54 DataTextField="RegionName" DataValueField="RegionID" SelectedValue='<%# Bind("RegionID") %>'>
55 </asp:DropDownList>
56 </EditItemTemplate>
57 <ItemTemplate>
58 <asp:Label ID="Label1" runat="server" Text='<%# Bind("SubRegionName") %>'></asp:Label>
59 </ItemTemplate>
60 </asp:TemplateField>
61 <asp:BoundField DataField="RegionName" HeaderText="RegionName" SortExpression="RegionName" />
62 <asp:CommandField ShowDeleteButton="True" ShowEditButton="True" />
63 </Columns>
64 </asp:GridView>
 Thanks in advance. Shaun 

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Jan 15, 2007

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Oct 7, 2007

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&nbsp;<br />
&nbsp;<br />
<asp:GridView ID="GridView1" runat="server" AllowPaging="True" AutoGenerateColumns="False"
DataKeyNames="BuyID" DataSourceID="SqlDataSource1">
<Columns>
<asp:CommandField ShowEditButton="True" />
<asp:BoundField DataField="BuyID" HeaderText="BuyID" InsertVisible="False" ReadOnly="True"
SortExpression="BuyID" />
<asp:BoundField DataField="BuyNL" HeaderText="BuyNL" SortExpression="BuyNL" />
<asp:BoundField DataField="BuyFR" HeaderText="BuyFR" SortExpression="BuyFR" />
<asp:BoundField DataField="Lastupdated" HeaderText="Lastupdated" SortExpression="Lastupdated" />
</Columns>
</asp:GridView>Can someone help me with this ? What is wrong with the Update command ?Thanks to all,Bart

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Hello Guys,
 
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Feb 23, 2006

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Server Error in '/CrystalReportsWebSite1' Application.


The data types text and nvarchar are incompatible in the equal to operator.
Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code. Exception Details: System.Data.SqlClient.SqlException: The data types text and nvarchar are incompatible in the equal to operator.Source Error:



An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below. Stack Trace:



[SqlException (0x80131904): The data types text and nvarchar are incompatible in the equal to operator.]
System.Data.SqlClient.SqlConnection.OnError(SqlException exception, Boolean breakConnection) +95
System.Data.SqlClient.SqlInternalConnection.OnError(SqlException exception, Boolean breakConnection) +82
System.Data.SqlClient.TdsParser.ThrowExceptionAndWarning(TdsParserStateObject stateObj) +346
System.Data.SqlClient.TdsParser.Run(RunBehavior runBehavior, SqlCommand cmdHandler, SqlDataReader dataStream, BulkCopySimpleResultSet bulkCopyHandler, TdsParserStateObject stateObj) +3244
System.Data.SqlClient.SqlCommand.FinishExecuteReader(SqlDataReader ds, RunBehavior runBehavior, String resetOptionsString) +186
System.Data.SqlClient.SqlCommand.RunExecuteReaderTds(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, Boolean async) +1121
System.Data.SqlClient.SqlCommand.RunExecuteReader(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, String method, DbAsyncResult result) +334
System.Data.SqlClient.SqlCommand.InternalExecuteNonQuery(DbAsyncResult result, String methodName, Boolean sendToPipe) +407
System.Data.SqlClient.SqlCommand.ExecuteNonQuery() +149
System.Web.UI.WebControls.SqlDataSourceView.ExecuteDbCommand(DbCommand command, DataSourceOperation operation) +493
System.Web.UI.WebControls.SqlDataSourceView.ExecuteUpdate(IDictionary keys, IDictionary values, IDictionary oldValues) +915
System.Web.UI.DataSourceView.Update(IDictionary keys, IDictionary values, IDictionary oldValues, DataSourceViewOperationCallback callback) +179
System.Web.UI.WebControls.GridView.HandleUpdate(GridViewRow row, Int32 rowIndex, Boolean causesValidation) +1140

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I've got four pages with in the first page a insert, in the second a select, in the thirth a update and in the fourth a delete statement. First the values of a textbox will be inserted in the database, then the values will be shown in labels and than it is possible to edit or delete the values inserted. Every inserted item belonging to each other has one ID. The follwing values has a second ID etc.
How can I make that possible?? I think that I should pass the ID's between the pages so I'm sure that I edit or delete the values that I want. So insert value 1 in page 1, show with select value 1 in page 2, edit or delete value 1 in page 3 and 4.
Maybe I didn't explain it good enough for you, please tell me then!!
Thanks!!

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May 6, 2006

Well, I really messed up. Instead of changing the name of a current company record in a table I changed ALL the company names in the table. Me.CustomerDataSource.SelectCommand = "UPDATE tbl_customers SET company = '" & companyTextBox.Text & "'"
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But I get the error:
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