Recursive Triggers In SQL SERVER 2005
Oct 28, 2007
I have searched the net for atmost two days to find the solution of this problem but we not able to get the solution. I would appritiate if any one could help me in solving this issue:
I have a Table :
EMPLOYEES :
EMPID EMPNAME MANAGERID
1 abc NULL
2 xyz 1
3 hty 2
4 loi 3
I want to write a trigger for deleting the EMPLOYEE with EMPID=1 and the trigger should delete all the employees as there is cascading among them i.e EMPID 1 is the Manager of EMPID=2 and so on..
I found a solution at: http://msdn2.microsoft.com/en-us/library/aa902684(sql.80).aspx
but the solution does not work when i try to implement it . It deletes the record for abc,xyz in the above table but rest are not deleted by the trigger.
Can anybody tell me the exact Trigger code......
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Dec 14, 2000
I'm using exec sp_dboption 'ilgadmin', 'recursive triggers',true
I made
create trigger
dbo.templates_ondelete
on templates for delete
as
begin
delete pages
where templateid = (select [id] from deleted)
end
go
create trigger
dbo.pages_ondelete
on pages for delete
as
begin
delete pageItems
where pageid = (select [id] from deleted)
end
go
The second trigger must be started by the first one.
But it doens't work because if I do
delete from templates where id = 2 more than one page (7 pages) are deleted and the second trigger doesn't work (it can only delete one by one in pageitems!)
Is there any option in SQL Server that I forgot or can I use an other methode
Best regards
Axel
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Jan 7, 2004
use pubs
sp_configure 'nested triggers',1
go
reconfigure
go
alter database pubs
set RECURSIVE_TRIGGERS ON
go
create table abcd (recid int)
go
create trigger abcd_trigger
on abcd
instead of insert
as
begin
declare @recid int
select @recid = recid + 1 from inserted
insert into abcd values (@recid)
end
go
insert into abcd values (1)
go
select * from abcd
go
drop trigger abcd_trigger
drop table abcd
go
Why does this insert value as 2 even though I have enabled recursive triggers.... Gurus .. any answers????
And as for changing the database options ... please check what they are before executing this post so that you can reset them later.
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Oct 19, 2007
Can anyone please tell how many recursive triggers can be used in a stored procedure.
Thanks in Advance
RKNAIR
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Apr 18, 2008
Dear,
I'm having this table:
PathIDParentPathIDPath
1 NULL D:
2 1 Sections
3 2 Bin
4 3 Data
5 4 FinancialReport.doc
6 4 DebtReport.doc
7 3 db.dll
I would like to create a store procedures that will return me a full path by passing a PathID
I started with this code:
DECLARE @path_id int
SET @path_id = 5;
WITH fullPath (PathID, ParentPathID, Path)
AS
(
SELECT PathID, ParentPathID, Path
FROM tblPath WHERE PathID = @path_id
UNION ALL
SELECT tblPath.PathID, tblPath.ParentPathID, tblPath.Path AS Path
FROM tblPath
JOIN fullPath ON tblPath.PathID = fullPath.ParentPathID
)
SELECT * FROM fullPath
This code will return this:
1 NULL D:
2 1 Sections
3 2 Bin
4 3 Data
5 4 FinancialReport.doc
What I would like to get is something like this:
D:/Sections/Bin/Data/FinancialReport.doc
Any help would be really appreciated. Lost too much time on it already.
Thanks,
pharvey
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Aug 25, 2015
Msg 240, Level 16, State 1, Line 14
Types don't match between the anchor and the recursive part in column "ParentId" of recursive query "tmp". Below is query,
DECLARE @TBL TABLE (RowNum INT, DataId int, DataName NVARCHAR(50), RowOrder DECIMAL(18,2) NULL, ParentId INT NULL)
INSERT INTO @TBL VALUES
(1, 105508, 'A', 1.00, NULL),
(2, 105717, 'A1', NULL, NULL),
(3, 105718, 'A1', NULL, NULL),
(4, 105509, 'B', 2.00, NULL),
(5, 105510, 'C', 3.00, NULL),
(6, 105514, 'C1', NULL, NULL),
[code]....
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Jan 17, 2008
Hi,
Where do I ask questions about creating SQL Server 2005 triggers? I want to create a field in a SQl server 2005 database based on a combination of four (4) fields in one table, and then have the data updated in a field in the same table, as well as output to the asp.net web form.
Any guidance appreciated.
Thanks.
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Jul 23, 2005
I am having problem to apply updates into this function below. I triedusing cursor for updates, etc. but no success. Sql server keeps tellingme that I cannot execute insert or update from inside a function and itgives me an option that I could write an extended stored procedure, butI don't have a clue of how to do it. To quickly fix the problem theonly solution left in my case is to convert this recursive functioninto one recursive stored procedure. However, I am facing one problem.How to convert the select command in this piece of code below into an"execute" by passing parameters and calling the sp recursively again.### piece of code ############SELECT @subtotal = dbo.Mkt_GetChildren(uid, @subtotal,@DateStart, @DateEnd)FROM categories WHERE ParentID = @uid######### my function ###########CREATE FUNCTION Mkt_GetChildren(@uid int, @subtotal decimal ,@DateStart datetime, @DateEnd datetime)RETURNS decimalASBEGINIF EXISTS (SELECTuidFROMcategories WHEREParentID = @uid)BEGINDECLARE my_cursor CURSOR FORSELECT uid, classid5 FROM categories WHERE parentid = @uiddeclare @getclassid5 varchar(50), @getuid bigint, @calculate decimalOPEN my_cursorFETCH NEXT FROM my_cursor INTO @getuid, @getclassid5WHILE @@FETCH_STATUS = 0BEGINFETCH NEXT FROM my_cursor INTO @getuid, @getclassid5select @calculate = dbo.Mkt_CalculateTotal(@getclassid5, @DateStart,@DateEnd)SET @subtotal = CONVERT (decimal (19,4),(@subtotal + @calculate))ENDCLOSE my_cursorDEALLOCATE my_cursorSELECT @subtotal = dbo.Mkt_GetChildren(uid, @subtotal,@DateStart, @DateEnd)FROM categories WHERE ParentID = @uidENDRETURN @subtotalENDGORod
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Mar 6, 2008
Hi all( Create a VB 2005 SQL Server Project )
i want to Create a Trigger using Managed Code in VB.Net (.NET CLR integration with SQL Server.)Somebody help me.Thanks
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Jun 5, 2006
Does anyone know if it's possible to use the standard .config file within a CLR Trigger to read properties via the System.Configuration namespace
I guess it's not possible because the CLR Trigger needs to be compiled as an assembly which is hosted by SQL Server
Thanks
Jason
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Oct 1, 2007
I am writing a web app that will insert info into a table in SQL server 2005. When I insert into this table I need a trigger to fire. I read about CLR triggers and its exactly what I need, however to test that I've got it working correctly I only want this trigger to send me an email. After that works I will write it to POST the inserted record to a 3rd parties website. Right now I am getting a error message :
Request for the permission of type 'System.Net.Mail.SmtpPermission, System, Version etc.' failed
So where is the problem?? Is this with my code, or with sql server??
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Dec 27, 2007
Hello,Where are the triggers stored in SQL Server 2005?Another developer in our company had written a trigger, and he's left now - I need to modify the triggers, but I am not able to locate them. Thanks,
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Apr 28, 2006
I have created a C# trigger that I want to deploy to my Sql database, and have it fire whenever an "Update" event occurs for any of the tables within that database. The difficulty I am running into is that I have to define the "Target", which I do not want to do. The following lines of code are at the top of my trigger:
[Microsoft.SqlServer.Server.SqlTrigger (Name="GenericAuditTrigger", Target="Address", Event="FOR UPDATE")]
public static void GenericAuditTrigger()
If I leave out the "Target", I get an error. If I try to define the Target as
Target="Customer, Address"
I get an error that the object "Customer, Address" cannot be found. Does anyone know if what I am trying to do is possiblle? Will I need to create a trigger for each table in the database, rather than creating a "Global" trigger for the database?
Any help would be greatly appreciated.
Thanks!
Craig
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Feb 17, 2014
I have the following table:-
CREATE TABLE [dbo].[TransactionComponents](
[pkTransactionComponent] [int] IDENTITY(1,1) NOT NULL,
[pkTransactionID] [int] NOT NULL,
[ComponentID] [int] NULL
) ON [PRIMARY]
With the following data:-
INSERT [dbo].[TransactionComponents]([pkTransactionID], [ComponentID])
SELECT 1,5
UNION SELECT 1,6
UNION SELECT 1,7
UNION SELECT 1,8
[Code] ....
pkTransactionID and ComponentID both link to the same column on another table this enables a many to many relationship, what I need to figure out is a complete tree of relationships from one of the ID's in it. I think I need to write a recursive CTE to achieve this but I am not entirely sure how to write it. Below is my attempt:-
DECLARE @ID INT
SET @ID = 1;
WITH
cteTxHeirachy (TxID, RelTxID, TxLevel)
[Code] ...
This returns:-
15
16
17
18
19
110
But the following are missing:-
10 2
2 11
2 12
3 and 4 should not be returned. I figured if I added the code that is commented out in the CTE that should give me everything but I think I get caught in an infinite loop.
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Aug 31, 2003
Hi,
I have 2 SQL SERVER tables MSTHDRML (Header table) & MSTDTLML(details Table)
MSTHDRML
MLID int 4
MLITemID int 4
ConcatStringvarchar 20
EffectiveDateFromsmalldatetime
EffectiveDateTodatetime
MSTDTLML
MLID int40
ItemID int40
ConcatStringvarchar201
Qty money81
The MLID in the header table will be generated automatically.All the Parents will be stored in the HEADER and their childs in the DETAIL.When a child is added to a parent,the Parent's MLID will be stored in the MLID field in the DETAIL table with the newly added child.That child will come to the PARENT table when a child is added to that.The MLITEM id in the parent table can be repeated when that item undergoes a rivision.But the MLID for this will be a new one.An item in the Parent Table can have any number of childs and these childs can have any number of children(there is no limit for the level.)
Some Sample Data
MSTHDRML
--------------
MLIDMLITemID ConcatStringEffectiveDateFromEffectiveDateTo
11000 56V 01/06/200331/12/9999
21003 Red 01/08/200331/12/9999
31001 01/08/200331/12/9999
41007 01/08/200331/12/9999
51008 01/08/200331/12/9999
61002 01/08/200331/12/9999
71005 01/08/200331/12/9999
82000 01/08/200331/12/9999
MSTDTLML
--------------
MLIDItemIDConcatStringQty
11001Round 10
11002Square 20
21004Blue 19
11005Green 22
31007Flat 223
41008 100
51009 200
61010 11
71011 22
71010 45
71012 454
82001 5
Now if i select an item id '1000' (for example from the Header Table) with a concatstring (it could be without a concat string also).all its childs and their children should be printed in a report like the following
1000
|
--- 1001
| |
| --1007
| |_ 1008
----1002 |__1009
| |_1010
|
----1005
************************************************** ***************************
I NEED TO CREATE THE TREE USING BOTH THE HEADER(MSTHDRML) AND THE DETAIL TABLE(MSTDTLML)
************************************************** ***************************
How can this be done.Is it necessary to use a recursive function in a stored procedure to generate this ...... i have never used Recursive function in SQL SERVER Stored Procedures.Can anyone help me on this(with Code).if not stored procedure, then what else can be done for this.
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Feb 18, 1999
Dear fellows,
Can anybody tell me how can i apply recusive/Tree query using select
statement.
For example I've a table structure for an Organization as follows:
TableName: Employee_tbl
Fields: emp_id, emp_name, supervisor_id
emp_id emp_name supervisor_id
---------- --------------- -------------------
101 ZAFIAN
102 BRUNNER 101
108 CALLAHAN 102
105 RUSSO 102
110 SIM 102
103 DUELL 101
and so on
1. How can I get the above records in Hirarchical format starting from top
or from anywhere else in the hierarchy?
In Oracle it can be done as follows:
SELECT emp_id,emp_name,supervisor_id
FROM employee_tbl
CONNECT BY supervisor_id = PRIOR emp_id
START WITH supervisor_id is null;
Please reply me at the following address if possible:
faisal@visualsoft-inc.com
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Sep 14, 2015
sql recursive query, for example purpose i m providing sample table with insert script
CREATE TABLE Details(
parentid varchar(10), DetailComponent varchar(10) , DetailLevel int)
GO
INSERT INTO Details
SELECT '','7419-01',0 union all
SELECT '7419-01','44342-00',1 union all
SELECT '7419-01','45342-00',1 union all
SELECT '7419-01','46342-00',1 union all
SELECT '7419-01','47342-00',1 union all
SELECT '7419-01','48342-00',1 union all
SELECT '7419-01','49342-00',1 union all
[code]....
From the above table data i want a search query , for example if I search data with "52342-00" I want output to be below format using CTE.
NULL,'7419-01',0
'7419-01','52342-00',1
'7419-01','52342-00',1
'52342-00','54342-00',2
'54342-00','54552-00',3
'54552-00','R111-54',4
'R111-54','R222-54',5
'R222-54','52342-00',6
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May 4, 2006
Suppose there's a table named [Category], which has 2 columns:
CategoryID int,
ParentCategoryID int
Each category, except the top most, has a parent category, it's a 1-to-n parent-children relationship.
Now I want to write a stored proc./function that accepts a CategoryID input parameter, and output all the descendent CategoryIDs (son, grand son, ...). How to do that in MSSQL 2000?
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Apr 30, 2008
I have created a package which has to move huge volume of data in chuncks from source to target with a few sorter transformations and many lookup transformation. Once a chunck is completed the Execute SQL Task in the package updates the etldates into a control table against the chunkid. I want this run in a loop, as on completion of a chunk another should start and follow the same process until there are no more chuncks in the control table.
First i execute the package manually, then i have written a trigger to call the SQL Server Job (etl) on update of the dates for the chunkids in the control table. The job when being called by the on update trigger is throwing up the following error. "The job failed. The Job was invoked by User fwt
obin. The last step to run was step 1 (Package1)".
Am i missing something basic here?
PS: So i tried putting the package into a for each loop container, performance suffers. A chunck which used to take 2 hours is taking more than 12 hours to complete. Then i removed sorter transformation and used db sorting in my source OLE db. Then thought of cacheing the lookups but did not know how and what to give so i gave up. While iam here, DB sorting/SSIS sorting? which is better?
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Nov 1, 2006
With SQL 2005, did Microsoft introduce login triggers? I seem toremember hearing something about it but, I don't remember exactly whatI heard.Thanks,JD
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Feb 17, 2014
i've following data in a recursive query:
Par_IdIDABCDEFLevel
Null022646000100022646
02264602242632000002264622426
02264602253232100002264622532
02264602254082000002264622540
02264602255751100002264622557
[code]....
in few words i need subtotal only for who have children.I tried with rollup but i wasn't able to have it similar to the aspected.I put it the level just to let clearer the dependencies.
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May 13, 2014
Let's say I have a scalar functions that I'd like it's input to be the output from the previous row, with a recursive CTE I can do the following:
;with rCTE(iterations,computed) as (
select 0 [iterations], 1e+0 [computed]
union all
select iterations+1,dbo.f(computed)
from where rCTE
where iterations < 30
)
select * from rCTE
Thus for each iteration, is the nTh fold of the function f applied to 1. [e.g 5 is f(f(f(f(f(1)))))]
However, for some illogical reason this relatively simple function did lots of read and write in tempdb. Can I reform this query somehow to just use lag instead? I know for a fact I only want to get let's say 30 iterations. It'd be very nice to be able to enjoy a window spool which will spawn a worktable with minimal IO.
I know I can put 30 rows into a table variable and do a quirky update across it, but Is there a nice way to do this without doing some sort of hack.
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Feb 6, 2008
Hi, I would really appreciate some help on this one as I know nothing about triggers to be quite honest.
I'm trying to add a feature to my Delphi 2007 application to start a SQL package whenever a load button on my Delphi form is clicked. Assume I'll need SQL code to perform this.
Can anyone please assist in this matter - sample code will also be much appreciated. Thanks a million!
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Jan 13, 2015
I have following input:
CREATE TABLE #tree
(
Childid varchar(20),
Parentid varchar(20)
)
INSERT INTO #tree
(Childid,ParentId)
SELECT '123' , null UNION ALL
SELECT '456' , '123' UNION ALL
SELECT '789' , '456' UNION ALL
SELECT '870' , '456' UNION ALL
SELECT '985' , '870';
Input:
Child IDParent ID
123 NULL
456 123
789 456
870 456
985 870
I am trying to populate lowest level child with path and depth...Output should be:
Child IDParent IDLast ChildPath Depth
123 NULL 789/123 1
456 123 789/123/456 2
789 456 789/123/456/789 3
123 NULL 985 /123 1
456 123 985/123/456 2
870 456 985/123/456/870 3
985 870 985/123/456/870/9854
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Jul 28, 2015
I have a hierarchical structure for mapping products to categories, categories go 3 levels deep (depth is defined in articlegroups.catlevel, 0 being the main category and traversing down to lower category level 2). Also, a product may be in more than 1 category(!).
product details are stored in `[products]`
articlegroups are defined in `[articlegroups]`
and the mapping of the products to the articlegroups are defined in `[products_category_mapping]`
Now, I want to retrieve index the full category path for each item, so with the data provided below, I'd expect these 2 rows as a result:
id categorystring
2481446 Taarttoppers > Taarttoppers grap'pig
2481446 Bruidstaart > Taarttoppers > Grappig
Now I can get the separate fields via a statement like this:
SELECT ga.slug_nl as slug_nl_0
FROM articlegroups ga
INNER JOIN products_category_mapping pcm ON pcm.articlegroup_id=ga.id
INNER JOIN products gp on gp.id=pcm.artikelid
WHERE gp.id=2481446
[code]....
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Sep 20, 2015
I am trying to do a very small numbers table to compare A1c's against. However I am running into a issue when recursion hits the number 2.27 it starts to go out of my scope that I want with the next number being 2.27999999999999. Here is the code I'm using below. I need a Decimal(2,2) or Numeric (2,2) format with a range of 01.00 to 20.00. However every time I use Numeric or Decimal as the data type I get a error "Msg 240, Level 16, State 1, Line 5.Types don't match between the anchor and the recursive part in column "Number" of recursive query "NumberSequence"."
DECLARE @Start FLOAT , @End FLOAT ---DECIMAL(2,2) Numeric (2,2)
SELECT @Start=01.00, @End=20.00
;WITH NumberSequence( Number ) AS
(
SELECT @start as Number
UNION ALL
SELECT Number + 00.01
FROM NumberSequence
WHERE Number < @end
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Jun 22, 2015
I have a recursive CTE on an inline table valued function. I need to set the MAXRECURSION option on the CTE, but SQL Server is complaining with "Incorrect syntax near the keyword 'OPTION'".
It works fine on non-inline function. I couldn't find any documentation indicating this wasn't possible.
I can use the MAXRECURSION option in call to the function
SELECT * FROM MyFunction ()
OPTION ( MAXRECURSION 0 )
but that means that the user needs to know the "MyFunction" uses recursive CTE, which defeats the purpose of the abstraction.
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Aug 15, 2006
For those intersted here is our TOC and the book's link. You can preorder at this point. We are sticking to the Nov. timeframe, but we may get it done sooner.
Chapter 1 Introducing SQLCLR
Chapter 2 Building a Procedure
Chapter 3 SQLCLR Strucutre & Common Tasks
Chapter 4 Creating Objects
Chapter 5 Compare & Contrast
Chapter 6 Replacing TSQL Objects
Chapter 7 Using the Base Library
Chapter 8 Using Procedures in Apps
Chapter 9 Error Handling
Chapter 10 Administration
Chapter 11 Case Study
Here is the link:
http://www.wrox.com/WileyCDA/WroxTitle/productCd-0470054034.html
Enjoy,
Derek
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Jun 24, 2014
I have a family table and would like to group all related members under the same familyID. This is a replication of existing business data, 14,000 rows. The familyID can be randomly assigned to any group, its sole purpose is to group the names:
declare @tv table (member varchar(255), relatedTo varchar(255))
insert into @tv
select 'John', 'Mary'union all
select 'Mary', 'Jessica' union all
select 'Peter', 'Albert' union all
[Code] ....
I would like my result to look like this:
familyID Name
1 John
1 Mary
1 Jessica
1 Fred
2 Peter
2 Albert
2 Nancy
3 Abby
4 Joe
4 Frank
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Jul 2, 2014
I'm trying to use a recursive query to find path between assembly and parts.
The BOM is similar to(I've limited the number of rows and lines):
BOM NumberMat Number
20000222001770
20000222003496
20000222001527
20000222003495
20002462002005
20005062000246
[code]....
How should I modify it so that is returns the 4 path?
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May 12, 2008
This isn€™t an problem as such, it€™s more of a debate.
If a table needs a number of update triggers which do differing tasks, should these triggers be separated out or encapsulated into one all encompassing trigger. Speaking in terms of performance, it doesn€™t make much of an improvement doing either depending upon the tasks performed. I was wondering in terms of maintenance and best practice etc. My view is that if the triggers do totally differing tasks they should be a trigger each on their own.
www.handleysonline.com
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Oct 3, 2006
Hi Guys,I have a website that has a log in box, when a user logs in it automatically inserts a 1 in my users table and a little icon changes color on the web page to indicate that a person is signed in, my problem is that sometimes my users don't log off using the signout button which then puts a zero back in my table and a different coloured icon is shown. I cant seem to force them to use this button so I being new to sql server wondered if I could use a trigger to set the field to 0 after say half an hour.I also have a table that has various projects in it and they each have a field that has an estimated end date, I wondered if there was some sort of trigger I could use to fire off an email when the todays date passes that end date to notify evryone it was overdue. If this can be done please could you provide me with an example, Many thanks
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Oct 18, 2001
I need help writing a delete trigger. The table that I want to audit is [dbo].[MCMESSAGE]. When there is a delete on this table I want to write the deleted row to an audit table called [dbo].[AUDIT_MCMESSAGE]. The name of my trigger is [DEL_MCMESSAGE_TR].
This is what I have so far :
CREATE TRIGGER [DEL_MCMESSAGE_TR]
ON [dbo].[MCMESSAGE]
FOR DELETE AS
INSERT [dbo].[AUDIT_MCMESSAGE]
(MessageID, ReplyToID, Sender, Subject, CreateDate,
ExpirationDate, Reply, Body, ReadReceipt, Priority, Association,
AppID)
SELECT
MessageID, ReplyToID, Sender, Subject, CreateDate,
ExpirationDate, Reply, Body, ReadReceipt, Priority, Association, AppID
FROM deleted
When I test this I delete a record from [dbo].[MCMESSAGE] I get this Error :
"[Microsoft][ODBC SQL Server Driver][SQL Server]String or binary data would be truncated."
Could someone please hwlp me?
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