Why I Can Not Delete Record Rows With OLE DB Interface?
Apr 8, 2008
In a C++ project, I implement a component of accessing database with programming in ole db com interface.
I delete many rows in following style:
IRowsets::RestartPosition( NULL );
IRowsets::MoveNext( )
do
{
IRowsetsChange :: DeleteRows( DB_NULL_HCHAPTER, 1, &(m_hRow), &nStatus );
}while( IRowSet::MoveNext( 0 ) );
The Problem: In this style, I only delete two records. while use ' IRowSet::MoveNext( 0 ) ' to get the third records, the result is END_OF_RECORDSET.
Why I only delete two rows? Why I do not get the third row?
Thank you!
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Nov 17, 2006
I'm trying to clean up a database design and I'm in a situation to where two tables need a FK but since it didn't exist before there are orphaned records.
Tables are:
Brokers and it's PK is BID
The 2nd table is Broker_Rates which also has a BID table.
I'm trying to figure out a t-sql statement that will parse through all the recrods in the Broker_Rates table and delete the record if there isn't a match for the BID record in the brokers table.
I know this isn't correct syntax but should hopefully clear up what I'm asking
DELETE FROM Broker_Rates
WHERE (Broker_Rates.BID <> Broker.BID)
Thanks
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Jan 15, 2008
Dear all,
We've a denormalised database (SQL Server 05) with around half a million rows, feeding a fairly simple Analysis Services cube. We were hoping to use the Excel 07 DM add-in as a user-friendly interface to lots of people, but as far as I can tell we need to first import the data into an Excel 07 worksheet. I realise 2007 has a 1mn limit, but the rows are wide, downloading GBs is not possible, and I have concerns about Excel performance and reliability at these volumes, especially on a desktop.
Is there any way to use the data mining functionality without having the data in Excel?
If not, what would be the simplest/quickest/cheapest way of providing this functionality (or subsets of it) to people who know Excel but not data mining?
Thanks for any guidance or corrections,
Chris
PS. Would downloading subsets of the data work, along the lines of the article entitled Sampling Nested Tables ( http://www.sqlserverdatamining.com/ssdm/Default.aspx?tabid=102&Id=14 )?
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Jul 20, 2005
Hi All,I have a table in SQL Server 2000 that contains several million memberids. Some of these member ids are duplicated in the table, and eachrecord is tagged with a 1 or a 2 in [recsrc] to indicate where theycame from.I want to remove all member ids records from the table that have arecsrc of 1 where the same member id also exists in the table with arecsrc of 2.So, if the member id has a recsrc of 1, and no other record exists inthe table with the same member id and a recsrc of 2, I want it leftuntouched.So, in a theortetical dataset of member id and recsrc:0001, 10002, 20001, 20003, 10004, 2I am looking to only delete the first record, because it has a recsrcof 1 and there is another record in the table with the same member idand a recsrc of 2.I'd very much appreciate it if someone could help me achieve this!Much warmth,Murray
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Feb 16, 2008
I'm using SqlDataSource and an Access database. Let's say I got two tables:user: userID, usernamemessage: userID, messagetextLet's say a user can register on my website, and leave several messages there. I have an admin page where I can select a user and delete all of his messages just by clicking one button.What would be the best (and easiest) way to make this?Here's my suggestion:I have made a "delete query" (with userID as parameter) in MS Access. It deletes all messages of a user when I type in the userID and click ok.Would it be possible to do this on my ASP.net page? If yes, what would the script look like?(yes, it is a newbie question)
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Aug 20, 2007
I ran the following query in Query Analyzer on a machine running SQL Server 2000. I'm attempting to delete from a linked server running SQL Server 2005:
DELETE FROM sql2005.production.dbo.products
WHERE vendor='Foo'
AND productId NOT IN
(
SELECT productId FROM sql2000.staging.dbo.fooProductList
)
The status message (and @@ROWCOUNT) told me 8 rows were affected, but nothing was actually deleted; when I ran a SELECT with the same criteria as the DELETE, all 8 rows are still there. So, once more I tried the DELETE command. This time it told me 7 rows were affected; when I ran the SELECT again, 5 of the rows were still there. Finally, after running this exact same DELETE query 5 times, I was able to remove all 8 rows. Each time it would tell me that a different number of rows had been deleted, and in no case was that number accurate.
I've never seen anything like this before. Neither of the tables involved were undergoing any other changes. There's no replication going on, or anything else that should introduce any delays. And I run queries like this all day, involving every thinkable combination of 2000 and 2005 servers, that don't give me any trouble.
Does anyone have suggestions on what might cause this sort of behavior?
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Mar 12, 2007
I had created a trigger which sees that whether a database is updated if it is its copy the values of the updated row into another control table now I want to read the content of control_table into BIzTalk and after reading I want to delete it.Can any one suggest the suitable ay to do this?
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Jul 24, 2015
I have a SQL script to insert data into a table as below:
INSERT into [SRV1INS2].BB.dbo.Agents2
select * from [SRV2INS14].DD.dbo.Agents
I just want to set a Trigger on Agents2 Table, which could delete all rows in the table , before carry out any Insert operation using above statement.I had below Table Trigger on [SRV1INS2].BB.dbo.Agents2 Table as below: But it did not perform what I intend to do.
USE [BB]
GO
/****** Object: Trigger Script Date: 24/07/2015 3:41:38 PM ******/
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
[code]....
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Mar 30, 2008
Dear All
I have a table with the following structure in sql server 2005
create table app(
sno int,
name varchar(50),
add varchar(50),
city varchar(50),
state varchar(50)
)
it contains the follwing data
------------------------------------------
sno name add city state
------------------------------------------
1 mark street no1 newcity newstate
2 mark street no1 newcity newstate
3 mark street no1 newcity newstate
4 mark street no1 newcity newstate
5 mark street no1 newcity newstate
6 mark street no1 newcity newstate
7 mark street no1 newcity newstate
8 mark street no1 newcity newstate
9 mark street no1 newcity newstate
10 mark street no1 newcity newstate
11 mark street no1 newcity newstate
12 mark street no1 newcity newstate
13 mark street no1 newcity newstate
14 mark street no1 newcity newstate
15 mark street no1 newcity newstate
16 mark street no1 newcity newstate
17 mark street no1 newcity newstate
18 mark street no1 newcity newstate
19 mark street no1 newcity newstate
20 mark street no1 newcity newstate
----------------------------------------
I want to retrive previous 5 records, next 5 records and the record that meet the where condition of a select query.
When I run
select sno,add,name,city,state from app where sno=7
I want the following result
------------------------------------------
sno name add city state
------------------------------------------
2 mark street no1 newcity newstate |
3 mark street no1 newcity newstate |
4 mark street no1 newcity newstate | -- previous 5 records
5 mark street no1 newcity newstate |
6 mark street no1 newcity newstate |
7 mark street no1 newcity newstate --- searched record
8 mark street no1 newcity newstate |
9 mark street no1 newcity newstate |
10 mark street no1 newcity newstate |--- next 5 records
11 mark street no1 newcity newstate |
12 mark street no1 newcity newstate |
----------------------------------------
if there is a method to get the above result set, kindly post the query.
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Jul 31, 2000
I accidently made a duplicate record and I am unable to delete it. Everytime I try to delete, it gives me an error message saying:
Insufficient oe incorrect key coloumn information; too many rows affected by the update.
I am unable to delete either records. Is there another way of accomplishing this task. Thanks for your help in advance.
Bud
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Jan 1, 2006
Hello i am new to MS SQL. Just moved in from MS Access.
I used to program in VB6.
mY Question is when i attemp to delete a record the followin error message displays
"Key column information is insufficiant or incorrect.Too many rows were affected by the update."
I have put the as code for the 'DELETE Record' command button in VB6 as follows.
adomain.Recordset.Delete adAffectCurrent
Please help me to safley delete a record from the SQL database using VB6.
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Dec 14, 2007
Hi,
How can i delete a record from a table . table contains approx 3 million data and when i execute a query for delete it give error message from transaction log space problem.
Is there any way to stop the log in transaction log and delete the record.
thanks
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Jul 20, 2005
please helpi was trying to delete a specific record on a table but it still showsthe same record that should be deleted. i dont know how.
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Jul 22, 2007
whats the best way to delete a parent record? for now what i am doing is to have a special delete page (means not DetailsView/GridView) just to delete parent records so user can see what child records will be deleted too. is the a better way?my code below: The T-SQL Stored ProcedureALTER PROCEDURE dbo.DeleteInventory
(
@InventoryID int
)
AS
DELETE FROM Booking
WHERE InventoryID = @InventoryID
DELETE FROM Inventory
WHERE InventoryID = @InventoryID
The code in the Code Behind to execute when a button(delete) click Try
Dim temp As Integer = SqlDataSource4.Delete
If temp > 0 Then
lblDeleteDtatus.ForeColor = Drawing.Color.Blue
lblDeleteDtatus.Text = temp & " Records/Rows Deleted."
Else
lblDeleteDtatus.ForeColor = Drawing.Color.Orange
lblDeleteDtatus.Text = "No records Deleted!"
End If
Catch ex As Exception
lblDeleteDtatus.ForeColor = Drawing.Color.Red
lblDeleteDtatus.Text = "An Error Occured.<br />" & ex.Message.ToString
End Try any better methods anyone wants to share?
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May 28, 2004
OK,
This one is driving me nuts. I've issued a very simple statement to delete a single row from a table. It appears that when I execute it in SQL Query Analyzer the CPUTime spikes and holds one of the CPUs on the box pegged at 100%. I've let this thing run for over a day, and it's not deleting the one damn record. Any thoughts? :confused: :confused: Here's the command I'm executing:
DELETE FROM Invoices WHERE InvoiceID = 153345
Running SELECT * FROM Invoices WHERE InvoiceID = 153345 returns only a single record as it should. InvoiceID is the PK in this table. Any and all help is greatly appreciated. I've rebooted the server, but to no avail. Same thing happens after a reboot.
TIA
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Jun 6, 2008
Hi, I tried to delete a record in tblA which has an ID in tblB, i got error msg saying referential problem, please tell me what should i do? thanks.
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Oct 23, 2006
Hi ,
How can i delete the duplicate record from a table
use Northwind
create table Emp (Ecode char(2), Ename char(10))
Insert into Emp(Ecode, Ename) values('A1','A')
Insert into Emp(Ecode, Ename) values('A1','A')
Insert into Emp(Ecode, Ename) values('A2','B')
Insert into Emp(Ecode, Ename) values('A2','B')
Insert into Emp(Ecode, Ename) values('A3','C')
Insert into Emp(Ecode, Ename) values('A3','C')
Insert into Emp(Ecode, Ename) values('A4','D')
Insert into Emp(Ecode, Ename) values('A4','D')
select * from emp order by Ecode
Thanks
ASM
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Jan 22, 2008
Hi everyone... I have a problem on deleting a record. I accidentally duplicate the record.
I need to delete other records and left only 1 record based on each date and employeenumber.
supposing i have a table hrempshiftschedule
i have 3 fields... empno, shiftdate, and shifttype
sample data...
empno shiftdate shifttype
1 1/1/2008 S1
1 1/1/2008 S1
2 1/1/2008 S2
2 1/1/2008 S2
2 1/1/2008 S2
2 1/2/2008 S2
2 1/2/2008 S2
2 1/3/2008 S3
3 1/1/2008 S3
4 1/4/2008 S4
4 1/5/2008 S5
expected output....
empno shiftdate shifttype
1 1/1/2008 S1
2 1/1/2008 S2
2 1/2/2008 S2
2 1/3/2008 S3
3 1/1/2008 S3
4 1/4/2008 S4
4 1/5/2008 S5
pls help and guide me.... thanks
RON
________________________________________________________________________________________________
"I won't last a day without SQL"
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Feb 22, 2008
how can i recover delete record from a table. is possible to find who delete record from a table.
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Jun 4, 2007
Stepping thru the code with the debugger shows the dataset rows being deleted.
After executing the code, and getting to the page presentation. Then I stop the debug and start the
page creation process again ( Page_Load ). The database still has the original deleted dataset rows.
Adding rows works, then updating works fine, but deleting rows, does not seem to work.
The dataset is configured to send the DataSet updates to the database. Use the standard wizard to create the dataSet.
cDependChildTA.Fill(cDependChildDs._ClientDependentChild, UserId); rowCountDb = cDependChildDs._ClientDependentChild.Count; for (row = 0; row < rowCountDb; row++) { dr_dependentChild = cDependChildDs._ClientDependentChild.Rows[0]; dr_dependentChild.Delete(); //cDependChildDs._ClientDependentChild.Rows.RemoveAt(0); //cDependChildDs._ClientDependentChild.Rows.Remove(0); /* update the Client Process Table Adapter*/ // cDependChildTA.Update(cDependChildDs._ClientDependentChild); // cDependChildTA.Update(cDependChildDs._ClientDependentChild); }
/* zero rows in the DataSet at this point */ /* update the Child Table Adapter */ cDependChildTA.Update(cDependChildDs._ClientDependentChild);
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Apr 7, 2008
Hi i have a very annying problem that i cant seem to solve by myself. I have developed a content managment system for a webpage where people can manage the page. It's almost done except for the fact that i cant seem to delete records from my sql express database.
To access the database i use an sql login in my code to delete witchever record is retrived from a querystring in the URL field. Below is a sample of my delete code when a button is pressed. protected void ButtonDelete_Click(object sender, EventArgs e)
{
string dID = Request.QueryString["dID"];
string myConnectionString = @"Data Source=SRVWEBSQLEXPRESS;Initial Catalog=se;User ID=xx;Password=xx";
SqlConnection myConnection = new SqlConnection(myConnectionString);
string myDeleteQuery = "DELETE FROM drift WHERE dID = @dID";
SqlCommand myCommand = new SqlCommand(myDeleteQuery);
myCommand.Parameters.AddWithValue("dID", dID);
myCommand.Connection = myConnection;
myConnection.Open();
myCommand.ExecuteNonQuery();
myCommand.Connection.Close();
Response.Redirect("list.aspx");
}
When the i run the code on my development machine located at 10.12.0.80 and the server is located at 10.12.1.65 and this is where the databse is located. The strangest thing is that when i press my deletebutton while debugging in VS2008 on my devmachine the record is deleted! BUT when i run the code live on the server i get an error. See the below log file taken from the windows 2003 server application log.
Event Type: InformationEvent Source: ASP.NET 2.0.50727.0Event Category: Web Event Event ID: 1314Date: 2008-04-07Time: 10:26:45User: N/AComputer: SRVWEBDescription:Event code: 4011 Event message: An unhandled access exception has occurred. Event time: 2008-04-07 10:26:45 Event time (UTC): 2008-04-07 08:26:45 Event ID: 8bdda96aeee44448b570891c593bdb3e Event sequence: 242 Event occurrence: 1 Event detail code: 0 Application information: Application domain: /LM/W3SVC/1015505475/Root-1-128520196339603398 Trust level: Full Application Virtual Path: / Application Path: C:wwwwebsite Machine name: SRVWEB Process information: Process ID: 5156 Process name: w3wp.exe Account name: NT AUTHORITYNETWORK SERVICE Request information: Request URL: http://website/cms/drift/editdrift.aspx?dID=19 Request path: /cms/drift/editdrift.aspx User host address: 10.12.1.1 User: webmaster Is authenticated: True Authentication Type: Forms Thread account name: NT AUTHORITYNETWORK SERVICE
Could anyone help me solve this problem. Thanks.
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Dec 17, 2004
If I script the SQL statement with a constant, deleting the record from the database works.
If I script the SQL statement to delete based on the WHERE clause being a variable name, it will not delete the record.
The value being compared in the WHERE clause comes directly from the Sequel database.
I have a dropdown box that is filled from the database. The dropdown1.selecteditem.text is placed in a variable. The script is to delete a record from the database where the table.name in the database equals the item name selected from the dropdown box.
This querystring does not delete the record from the database:
dim queryString As String = "DELETE FROM [Table1] WHERE ([Table1].[name] = 'variableCompareText')"
This querystring does delete the recrod from the database:
dim queryString As String = "DELETE FROM [Table1] WHERE ([Table1].[name] = 'John')"
Why can't I delete a record with a variable in the querystring? Otherwise, you would have to always know in advance which record to specify rather than being deleted dynamically.
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Sep 28, 2005
I'm having trouble with the below sql command. What I'm trying to
do is to delete records from tblPhotoHeader table where there are no
corresponding child records in tblPhoto.
The select statement works correctly, I'm just not sure about how to
apply the syntax to correctly select the records in the delete
statement.
Any help from the experts here would be helpful.
Thanks
Tom
---------------------------------------------------------------------
DELETE FROM tblPhotoHeader
WHERE Exists
(SELECT tblPhotoHeader.photoid, photoOrderID,
tblPhoto.photoType
FROM
tblPhotoHeader LEFT OUTER JOIN
tblPhoto ON tblPhotoHeader.photoID = tblPhoto.photoID
WHERE (tblPhotoHeader.photoOrderID = 143)
AND (tblPhoto.photoType IS NULL))
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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 & "'"
So, I need to insert a WHERE clause to fix this. My problem is that I've been searching everywhere for this simple command structure and cannot find anything that specifically addresses a simple way to reference the current record.
I tried...Me.CustomerDataSource.SelectCommand = "UPDATE tbl_customers SET company = '" & companyTextBox.Text & "' WHERE recno = @recno"
But I get the error:
Exception Details: System.Data.SqlClient.SqlException: Must declare the scalar variable "@recno".
Can anyone provide this simple query clause?
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Feb 25, 2008
Hi,
I have a table with a large number of records that I need to delete, before attempt to perform the delete I also archived the records to another table.
So I need to delete all of these selected records stored in the archive table from the main table. I can now reference all the records that qualify for the delete in the main table by performing a join on the archive table like so:
select * from my_main_table a
join my_archive_table b
on a.distinct_id=b.distinct_id
and a.surrogate_key=b.surrogate_key
and a.identifier=b.indentifier
So all the records check out to be the ones I'd like to perform a delete on but I just can't figure out how to perform a delete of the records with little or no change to the existing query.
Obviously something like this won't work:
delete from my_main_table a
join my_archive_table b
on a.distinct_id=b.distinct_id
and a.surrogate_key=b.surrogate_key
and a.identifier=b.indentifier
Though it would be nice if it did.:D
So my question is how would I use the existing query with some modification to delete only the records that this query returns. I've tried selection of records in the main table based on the existing records in the archive table but it can return a higher number of records than what I know is expected. I actually need the join specified to be in place to do it.
Can anyone render any assistance on this one???
I would certainly appreciate it.
Thanks.
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Mar 26, 2008
Can anybody help me in writing a SQl trigger to delete a record when inserted after 70 seconds.?
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Jul 19, 2007
Hi.I have a "union" table which results of a union of two tables.Occasionally I could have duplicates, when the same PIN has been addedto both tables, albeit at different Datees/Times, such as:PINNameAdded Date100411A7/11/2007 10:12:58 AM100411A7/17/2007 10:54:23 AM100413B7/11/2007 10:13:28 AM100413B7/17/2007 10:54:39 AM104229C7/6/2007 2:34:13 PM104231D7/6/2007 2:34:25 PM104869E6/10/2007 11:59:12 AM104869E6/22/2007 2:40:18 PMThe question is - how can I delete by queries the first occurence(time-wise) of these duplicates - i.e. I would want to delete thefirst occurence of 100411 (A), the first occurence of 100413 (B), andthe first occurence of 104869 (E) in the example above - records C andD show only once, so they are fine.Is there a MsAccess solution ? Is there a SQL-server solution ?Thank you very much !Alex
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Oct 31, 2006
I'm facing problem when delete a record in the ms sql 2005 .
The error message i got is stated below:
No rows were deleted
A problem occured attempting to delete row 1304.
Error: .Net Sql Clint Data Provider
Error Message: Possible index corruption detected. Run DBCC CHECKDB.
Correct the errors and atempt to delete the row again or press ESC to cancel the changes.
just certain record i can not delete and face this problem.
i detach the database and attached in the ms sql 2000, and select the same record to delete. there is no problem at all.
i wander is it ms sql 2005 bugs? can anyone tell me how to fix it .. how to to use the DBCC CHECKDB ??
thanks alot....
P/s : if i posted at the wrong section just let me know, I'm beginner in this forum here ...
thanks...
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Sep 28, 2007
Hi! Is there a way to delete a record from multiple tables at the same time? Thanks for the help!
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Oct 3, 2000
Dear friends,
I am thinkking there has to be away to do this in a SQL
statement.
can't you do some kind of...
Create Procedure sp_update_users
@User_Id Int,
@Title_Id Int
AS
UPDATE USERS
DELETE WHERE @User_ID = User_Id and @Title_Id = @Title_Id
ELSE
INSERT INTO USERS VALUES (@User_ID,@Title_Id;)
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Aug 6, 2004
Hi ,
I little question for you ... is it possibile to write a SQL statement to delete records in several tables at the same time?
For example if I've two tables involved by join
DELETE <...> from Customers A
INNER JOIN CustomerProperties B ON A.CustomerID=B.CustomerID
I Must use two statement to remove records from both the tables?
Thx
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Jun 14, 2007
Hi There, I have created a trigger which supposingly will do event before delete the record from its own table.unfortunately when i try delete the record to test it whether it will do the event (inserting some records to another table), i found that it was not doing the event like i wanted to be. :(the trigger is as below :=======================CREATE TRIGGER TG_D_AGENT ON dbo.AgentFOR DELETEASbegindeclare @vAgentID as numeric,@vAgency as varchar(50),@vUnit as varchar(50),@vAgentCode as varchar(50),@vName as varchar(50),@vIC as varchar(14),@vAddress as varchar(100),@vContactNumber as varchar(50),@vDownlink as varchar(50),@vGSM as varchar(10),@vAM as varchar(10),@vDeleted_date as datetime set @vDeleted_date = convert(datetime, convert(varchar(10) , getdate(),103),103)declare cur_policy_rec CURSOR forselect AgentID,Agency,Unit,AgentCode,[Name],IC,Address,ContactNumber,Downlink,GSM,AM from insertedopen cur_policy_recfetch from cur_policy_rec into @vAgentID,@vAgency,@vUnit,@vAgentCode,@vName,@vIC, @vAddress,@vContactNumber,@vDownlink,@vGSM,@vAM WHILE @@FETCH_STATUS=0BEGIN INSERT INTO [Agent_history] (AgentID,Agency,Unit,AgentCode,Name,IC,Address,Con tactNumber,Downlink,GSM,AM,Deleted_date) VALUES(@vAgentID,@vAgency,@vUnit,@vAgentCode,@vNam e,@vIC,@vAddress,@vContactNumber,@vDownlink,@vGSM, @vAM,@vDeleted_date)fetch from cur_policy_rec into @vAgentID,@vAgency,@vUnit,@vAgentCode,@vName,@vIC, @vAddress,@vContactNumber,@vDownlink,@vGSM,@vAM enddeallocate cur_policy_recend===============================in oracle , i normallly can do something like this...====================================CREATE TRIGGER TG_D_AGENT ON dbo.AgentBEFORE DELETE ON dbo.Agent FOR EACH ROWbeginIs that such thing function like 'BEFORE' in MS SQL SERVER 2000, coz in sql server im not sure they do have or not. Plz someone help me on this...realy appreciated if can!
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Mar 17, 2014
I will try my best to explain this, We have a shopping cart on our website, the person that was developing this has now left the company and I've been given the job to finish it off.
When I load all the items that the user has entered in to his/her cart I return the Item ID and the RowNumber (ROW_NUMBER() OVER (Order by Id) AS RowNumber)
I'm trying to delete the item from the table using the following query
DELETE FROM [dbo].[Cart.Items] WHERE UniqueID = UniqueID and ItemID = @ItemID and @RowNumber IN (
SELECT ROW_NUMBER() OVER (Order by Id) AS RowNumber)
Now the reason we are using the RowNumber is because the user can add the same Item as many times as they like so for example you buy 3 different mobile phones, and you want three screen protectors, they will click screen protector 3 times which will add 3 records in to the db with the same id. so the row number is used to find the correct one.
But the above delete is not working.
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