Nasty Trigger Question
Feb 22, 2006
Hi All,
here is the trigger:
CREATE TRIGGER Members_Set_ApplicationSyncDate ON lyrisadmin.members_
AFTER UPDATE
AS
BEGIN
IF NOT UPDATE(ApplicationSyncDate)
BEGIN
UPDATE lyrisadmin.members_ set ApplicationSyncDate = NULL where MemberID_ = (Select MemberID_ from inserted) AND List_ = (Select List_ from inserted)
END
END
Problem is: If someone runs a query like n"Update TBL Set List_ = 'goo' WHERE List_ = 'boo'
in this case MemberID_ is not present and and error is thrown in my Update statement. How can I verify that MemberID_ is or is not available in the trigger?
Many Many Thanks!
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Mar 27, 2007
Yesterday I had a nasty mirroring problem.
The principal and the mirror server are both running SQL Server 2005 64-bit Enterprise Edition. Witness is running Workgroup Edition. We are running in high availability mode (SAFETY ON).
3 nights before something strange happened and 1 database failed over (out of the six being mirrored) for some unknown reason. The other 5 didn't. We failed that one back and all seemed ok over the weekend.
We came in Monday and found that the main live OLTP database was showing as the Principal on BOTH servers (in SMO/Management Studio and also in sys.database_mirroring). This is the "split brain" scenario that the presence of the witness is supposed to prevent. Both databases were accessible with a USE statement - clearly not right.
I pondered what to do, eventually I decided to remove mirroring from this database. That was ok until suddenly a few minutes later we realised the (original) Principal was in recovery! uisers of course were kicked out/unable to connect. I tried to force recovery with RESTORE DATABASE dbname WITH RECOVERY but it complained users were connected!
I had to KILL the users then recovery proceeded and the database became available again. I forced the mirror offline to prevent accidental usage.
This is obviously a nasty situation where mirroriing - which is supposed to prevent downtime - actually caused it instead.
I intend to log a call with CSS but I wanted to warn other users if they encounter something similar - it has shaken my confidence in mirroring quite severely.
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Mar 20, 2006
[Yes, I know I keep posting this, and I'm sorry for that. But I want someone to confirm that this is a bug and not by design. I feel it is very very important]
All,
I'd like someone from MS to confirm something for me if possible.
I've just come across a situation where a package that is restarted from a checkpoint fails to execute any of its eventhandlers if those eventhandlers are scoped to a parent container.
Is this a bug or by design? Either way I'm VERY worried about this because this is not in the least bit intuitive. This is the most dangerous bug that I have seen in RTM.
-Jamie
If you want a demo of this happening then download this package: http://blogs.conchango.com/Admin/ImageGallery/blogs.conchango.com/jamie.thomson/20060103Package1.zip
It doesn't need any configuration because there are no connection managers. You can just run it standalone.
Run it first time and it will fail but you WILL see msgboxes popped up by the eventhandlers. Go into "Script Task 2" and make the return value "Success" rather than "Failure".
Run it a second time. The package will complete successfully but NO msgboxes will pop up from the eventhandlers. They are not executing.
Reply here or email direct with any queries!
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Mar 2, 2006
All,
I'd like someone from MS to confirm something for me if possible.
I've just come across a situation where a package that is restarted from a checkpoint fails to execute any of its eventhandlers if those eventhandlers are scoped to a parent container.
Is this a bug or by design? Either way I'm VERY worried about this because this is not in the least bit intuitive. This is the most dangerous bug that I have seen in RTM.
-Jamie
If you want a demo of this happening then download this package: http://blogs.conchango.com/Admin/ImageGallery/blogs.conchango.com/jamie.thomson/20060103Package1.zip
It doesn't need any configuration because there are no connection managers. You can just run it standalone.
Run it first time and it will fail but you WILL see msgboxes popped up by the eventhandlers. Go into "Script Task 2" and make the return value "Success" rather than "Failure".
Run it a second time. The package will complete successfully but NO msgboxes will pop up from the eventhandlers. They are not executing.
Reply here or email direct with any queries!
[Microsoft follow-up] This needs either fixing or explaining.
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Jul 20, 2005
I am currently working on a PHP based website that needs to be able to drawfrom Oracle, MS SQL Server, MySQL and given time and demand other RDBMS. Itook a lot of time and care creating a flexible and solid wrapper and amdeep into coding. The only problem is a noticed VARCHAR fields being drawnfrom SQL Server 2000 are being truncated to 255 characters.I searched around php.net and found the following :Note to Win32 Users: Due to a limitation in the underlying API used by PHP(MS DbLib C API), the length of VARCHAR fields is limited to 255. If youneed to store more data, use a TEXT field instead.(http://www.php.net/manual/en/functi...ield-length.php)The only problem with this advice is Text fields seem to be limited to 16characters in length, and I am having similar results in terms of truncationwith other character based fields that can store more than 255 characters.I am using PHP 4.3.3 running on IIS using the php_mssql.dll extensions andthe functions referenced here http://www.php.net/manual/en/ref.mssql.php.What are my options here? Has anybody worked around this or am I missingsomething obvious?James
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Nov 14, 2006
Hey,
I'm new to this whole SQL Server 2005 thing as well as database design and I've read up on various ways I can integrate business constraints into my database. I'm not sure which way applies to me, but I could use a helping hand in the right direction.
A quick explanation of the various tables I'm dealing with:
WBS - the Work Breakdown Structure, for example: A - Widget 1, AA - Widget 1 Subsystem 1, and etc.
Impacts - the Risk or Opportunity impacts for the weights of a part/assembly. (See Assemblies have Impacts below)
Allocations - the review of the product in question, say Widget 1, in terms of various weight totals, including all parts. Example - September allocation, Initial Demo allocation, etc. Mostly used for weight history and trending
Parts - There are hundreds of Parts which will eventually lead to thousands. Each part has a WBS element. [Seems redundant, but parts are managed in-house, and WBS elements are cross-company and issued by the Government]
Parts have Allocations - For weight history and trending (see Allocations). Example, Nut 17 can have a September 1st allocation, a September 5th allocation, etc.
Assemblies - Parts are assemblies by themselves and can belong to multiple assemblies. Now, there can be multiple parts on a product, say, an unmanned ground vehicle (UGV), and so those parts can belong to a higher "assembly" [For example, there can be 3 Nut 17's (lower assembly) on Widget 1 Subsystem 2 (higher assembly) and 4 more on Widget 1 Subsystem 5, etc.]. What I'm concerned about is ensuring that the weight roll-ups are accurate for all of the assemblies.
Assemblies have Impacts - There is a risk and opportunity impact setup modeled into this design to allow for a risk or opportunity to be marked on a per-assembly level. That's all this table represents.
A part is allocated a weight and then assigned to an assembly. The Assemblies table holds this hierarchical information - the lower assembly and the higher one, both of which are Parts entries in the [Parts have Allocations] table.
Therefore, to ensure proper weight roll ups in the [Parts have Allocations] table on a per part-basis, I would like to check for any inserts, updates, deletes on both the [Parts have Allocations] table as well as the [Assemblies] table and then re-calculate the weight roll up for every assembly. Now, I'm not sure if this is a huge performance hog, but I do need to keep all the information as up-to-date and as accurate as possible. As such, I'm not sure which method is even correct, although it seems an AFTER DML trigger is in order (from what I've gathered thus far). Keep in mind, this trigger needs to go through and check every WBS or Part and then go through and check all of it's associated assemblies and then ensure the weights are correct by re-summing the weights listed.
If you need the design or create script (table layout), please let me know.
Thanks.
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Jul 20, 2005
Are there any limitations or gotchas to updating the same table whichfired a trigger from within the trigger?Some example code below. Hmmm.... This example seems to be workingfine so it must be something with my specific schema/code. We'reworking on running a SQL trace but if anybody has any input, fireaway.Thanks!create table x(Id int,Account varchar(25),Info int)GOinsert into x values ( 1, 'Smith', 15);insert into x values ( 2, 'SmithX', 25);/* Update trigger tu_x for table x */create trigger tu_xon xfor updateasbegindeclare @TriggerRowCount intset @TriggerRowCount = @@ROWCOUNTif ( @TriggerRowCount = 0 )returnif ( @TriggerRowCount > 1 )beginraiserror( 'tu_x: @@ROWCOUNT[%d] Trigger does not handle @@ROWCOUNT[color=blue]> 1 !', 17, 127, @TriggerRowCount) with seterror, nowait[/color]returnendupdate xsetAccount = left( i.Account, 24) + 'X',Info = i.Infofrom deleted, inserted iwhere x.Account = left( deleted.Account, 24) + 'X'endupdate x set Account = 'Blair', Info = 999 where Account = 'Smith'
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Dec 5, 2006
This Audit Trigger is Generic (i.e. non-"Table Specific") attach it to any tabel and it should work. Be sure and create the 'Audit' table first though.
The following code write audit entries to a Table called
'Audit'
with columns
'ActionType' //varchar
'TableName' //varchar
'PK' //varchar
'FieldName' //varchar
'OldValue' //varchar
'NewValue' //varchar
'ChangeDateTime' //datetime
'ChangeBy' //varchar
using System;
using System.Data;
using System.Data.SqlClient;
using Microsoft.SqlServer.Server;
public partial class Triggers
{
//A Generic Trigger for Insert, Update and Delete Actions on any Table
[Microsoft.SqlServer.Server.SqlTrigger(Name = "AuditTrigger", Event = "FOR INSERT, UPDATE, DELETE")]
public static void AuditTrigger()
{
SqlTriggerContext tcontext = SqlContext.TriggerContext; //Trigger Context
string TName; //Where we store the Altered Table's Name
string User; //Where we will store the Database Username
DataRow iRow; //DataRow to hold the inserted values
DataRow dRow; //DataRow to how the deleted/overwritten values
DataRow aRow; //Audit DataRow to build our Audit entry with
string PKString; //Will temporarily store the Primary Key Column Names and Values here
using (SqlConnection conn = new SqlConnection("context connection=true"))//Our Connection
{
conn.Open();//Open the Connection
//Build the AuditAdapter and Mathcing Table
SqlDataAdapter AuditAdapter = new SqlDataAdapter("SELECT * FROM Audit WHERE 1=0", conn);
DataTable AuditTable = new DataTable();
AuditAdapter.FillSchema(AuditTable, SchemaType.Source);
SqlCommandBuilder AuditCommandBuilder = new SqlCommandBuilder(AuditAdapter);//Populates the Insert command for us
//Get the inserted values
SqlDataAdapter Loader = new SqlDataAdapter("SELECT * from INSERTED", conn);
DataTable inserted = new DataTable();
Loader.Fill(inserted);
//Get the deleted and/or overwritten values
Loader.SelectCommand.CommandText = "SELECT * from DELETED";
DataTable deleted = new DataTable();
Loader.Fill(deleted);
//Retrieve the Name of the Table that currently has a lock from the executing command(i.e. the one that caused this trigger to fire)
SqlCommand cmd = new SqlCommand("SELECT object_name(resource_associated_entity_id) FROM
ys.dm_tran_locks WHERE request_session_id = @@spid and resource_type = 'OBJECT'", conn);
TName = cmd.ExecuteScalar().ToString();
//Retrieve the UserName of the current Database User
SqlCommand curUserCommand = new SqlCommand("SELECT system_user", conn);
User = curUserCommand.ExecuteScalar().ToString();
//Adapted the following command from a T-SQL audit trigger by Nigel Rivett
//http://www.nigelrivett.net/AuditTrailTrigger.html
SqlDataAdapter PKTableAdapter = new SqlDataAdapter(@"SELECT c.COLUMN_NAME
from INFORMATION_SCHEMA.TABLE_CONSTRAINTS pk ,
INFORMATION_SCHEMA.KEY_COLUMN_USAGE c
where pk.TABLE_NAME = '" + TName + @"'
and CONSTRAINT_TYPE = 'PRIMARY KEY'
and c.TABLE_NAME = pk.TABLE_NAME
and c.CONSTRAINT_NAME = pk.CONSTRAINT_NAME", conn);
DataTable PKTable = new DataTable();
PKTableAdapter.Fill(PKTable);
switch (tcontext.TriggerAction)//Switch on the Action occuring on the Table
{
case TriggerAction.Update:
iRow = inserted.Rows[0];//Get the inserted values in row form
dRow = deleted.Rows[0];//Get the overwritten values in row form
PKString = PKStringBuilder(PKTable, iRow);//the the Primary Keys and There values as a string
foreach (DataColumn column in inserted.Columns)//Walk through all possible Table Columns
{
if (!iRow[column.Ordinal].Equals(dRow[column.Ordinal]))//If value changed
{
//Build an Audit Entry
aRow = AuditTable.NewRow();
aRow["ActionType"] = "U";//U for Update
aRow["TableName"] = TName;
aRow["PK"] = PKString;
aRow["FieldName"] = column.ColumnName;
aRow["OldValue"] = dRow[column.Ordinal].ToString();
aRow["NewValue"] = iRow[column.Ordinal].ToString();
aRow["ChangeDateTime"] = DateTime.Now.ToString();
aRow["ChangedBy"] = User;
AuditTable.Rows.InsertAt(aRow, 0);//Insert the entry
}
}
break;
case TriggerAction.Insert:
iRow = inserted.Rows[0];
PKString = PKStringBuilder(PKTable, iRow);
foreach (DataColumn column in inserted.Columns)
{
//Build an Audit Entry
aRow = AuditTable.NewRow();
aRow["ActionType"] = "I";//I for Insert
aRow["TableName"] = TName;
aRow["PK"] = PKString;
aRow["FieldName"] = column.ColumnName;
aRow["OldValue"] = null;
aRow["NewValue"] = iRow[column.Ordinal].ToString();
aRow["ChangeDateTime"] = DateTime.Now.ToString();
aRow["ChangedBy"] = User;
AuditTable.Rows.InsertAt(aRow, 0);//Insert the Entry
}
break;
case TriggerAction.Delete:
dRow = deleted.Rows[0];
PKString = PKStringBuilder(PKTable, dRow);
foreach (DataColumn column in inserted.Columns)
{
//Build and Audit Entry
aRow = AuditTable.NewRow();
aRow["ActionType"] = "D";//D for Delete
aRow["TableName"] = TName;
aRow["PK"] = PKString;
aRow["FieldName"] = column.ColumnName;
aRow["OldValue"] = dRow[column.Ordinal].ToString();
aRow["NewValue"] = null;
aRow["ChangeDateTime"] = DateTime.Now.ToString();
aRow["ChangedBy"] = User;
AuditTable.Rows.InsertAt(aRow, 0);//Insert the Entry
}
break;
default:
//Do Nothing
break;
}
AuditAdapter.Update(AuditTable);//Write all Audit Entries back to AuditTable
conn.Close(); //Close the Connection
}
}
//Helper function that takes a Table of the Primary Key Column Names and the modified rows Values
//and builds a string of the form "<PKColumn1Name=Value1>,PKColumn2Name=Value2>,......"
public static string PKStringBuilder(DataTable primaryKeysTable, DataRow valuesDataRow)
{
string temp = String.Empty;
foreach (DataRow kColumn in primaryKeysTable.Rows)//for all Primary Keys of the Table that is being changed
{
temp = String.Concat(temp, String.Concat("<", kColumn[0].ToString(), "=", valuesDataRow[kColumn[0].ToString)].ToString(), ">,"));
}
return temp;
}
}
The trick was getting the Table Name and the Primary Key Columns.
I hope this code is found useful.
Comments and Suggestion will be much appreciated.
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Oct 30, 2007
Table 1
First_Name
Middle_Name
Surname
John
Ian
Lennon
Mike
Buffalo
Tyson
Tom
Finney
Jones
Table 2
ID
F
M
S
DOB
1
Athony
Harold
Wilson
24/4/67
2
Margaret
Betty
Thathcer
1/1/1808
3
John
Ian
Lennon
2/2/1979
4
Mike
Buffalo
Tyson
3/4/04
5
Tom
Finney
Jones
1/1/2000
I want to be able to create a trigger that updates table 2 when a row is inserted into table 1. However I€™m not sure how to increment the ID in table 2 or to update only the row that has been inserted.
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Feb 5, 2008
A
ID
Name
1
Joe
2
Fred
3
Ian
4
Bill
B
ID
1
4
I want to be able to create a trigger so that when a row is inserted into table A by a specific user then the ID will appear in table B. Is it possible to find out the login id of the user inserting a row?
I believe the trigger should look something like this:
create trigger test_trigger
on a
for insert
as
insert into b(ID)
select i.id
from inserted i
where
--specific USER
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Mar 18, 2008
how to create new CLR trigger from existing T-Sql Trigger Thanks in advance
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Jul 23, 2005
When a row gets modified and it invokes a trigger, we would like to beable to update the row that was modified inside the trigger. This is(basically) how we are doing it now:CREATE TRIGGER trTBL ON TBLFOR UPDATE, INSERT, DELETEasupdate TBLset fld = 'value'from inserted, TBLwhere inserted.id= TBL.id....This work fine but it seems like it could be optimized. Clearly we arehaving to scan the entire table again to update the row. But shouldn'tthe trigger already know which row invoked it. Do we have to scan thetable again for this row or is their some syntax that allows us toupdate the row that invoked the trigger. If not, why. It seems likethis would be a fairly common task. Thanks.
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Jul 20, 2005
Salve, non riesco a disabilitare un trigger su sqlserver nè da queryanalyzer, nè da enterprise manager.In pratica tal cosa riuscivo a farla in Oracle con TOAD, mentre qui nonriesco.Mi interessa disattivarlo senza cancellarlo per poi riattivarlo al bisognosenza rilanciare lo script di creazione.Grazie a tuttiHi I need to disable a DB trigger and I'm not able to do this neither withquery analyzer, neither with enterprise manager.I remeber this job was quite simple using TOAd in Oracle.I'm interested in making it disabled not delete it, without run creationscript.Thanks a lot to everybody.
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May 30, 2008
Hi,
I am not sure if this is the right forum to post this question.
I run an update statement like "Update mytable set status='S' " on the SQL 2005 management Studio.
When I run "select * from mytable" for a few seconds all status = "S". After a few seconds all status turn to "H".
This is a behaviour when you have an update trigger for the table. But I don't see any triggers under this table.
What else would cause the database automatically change my update?
Could there be any other place I should look for an update trigger on this table?
Thanks,
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Sep 20, 2007
Hi all in .net I've created an application that allows creation of triggers, i also want to allow the deletion of triggers.
The trigger name is kept in a table, and apon deleting the record i want to use the field name to delete the trigger
I have the following Trigger
the error is at
DROP TRIGGER @DeleteTrigger
I'm guessing it dosen't like the trigger name being a variable instead of a static name
how do i get around this?
thanks in advance
-- ================================================
-- Template generated from Template Explorer using:
-- Create Trigger (New Menu).SQL
--
-- Use the Specify Values for Template Parameters
-- command (Ctrl-Shift-M) to fill in the parameter
-- values below.
--
-- See additional Create Trigger templates for more
-- examples of different Trigger statements.
--
-- This block of comments will not be included in
-- the definition of the function.
-- ================================================
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO
-- =============================================
-- Author: <Author,,Name>
-- Create date: <Create Date,,>
-- Description: <Description,,>
-- =============================================
CREATE TRIGGER RemoveTriggers
ON tblTriggers
AFTER DELETE
AS
BEGIN
-- SET NOCOUNT ON added to prevent extra result sets from
-- interfering with SELECT statements.
SET NOCOUNT ON;
Declare @DeleteTrigger as nvarchar(max)
select @DeleteTrigger = TableName FROM DELETED
IF OBJECT_ID (@DeleteTrigger,'TR') IS NOT NULL
DROP TRIGGER @DeleteTrigger
GO
END
GO
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Jan 23, 2008
Hi,
I have a trigger set on TABLE1 so that any update to this column should set off trigger to write to the AUDIT log table, it works fine otherwise but not the very first time when table1 has null in the column. if i comment out
and i.req_fname <> d.req_fname from the where clause then it works fine the first time too. Seems like null value of the column is messing things up
Any thoughts?
Here is my t-sql
Insert into dbo.AUDIT (audit_req, audit_new_value, audit_field, audit_user)
select i.req_guid, i.req_fname, 'req_fname', IsNull(i.req_last_update_user,@default_user) as username from inserted i, deleted d
where i.req_guid = d.req_guid
and i.req_fname <> d.req_fname
Thanks,
leo
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Mar 3, 2008
I have trigger, but not execute somedata because insert few row in every second. I use java to insert data to SQL server 2005. Data inserted to a table but not executing trigger for some data.
For example 100 data every second inserted to a table.
If insert data one by one to a table trigger fires success.
Please Help me.
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Jun 17, 2006
There are two different Stored Procedures insert data into a table, is it possible to catch what stored procedure name was that trigged the trigger in the trigger?
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Jul 26, 2006
Hi, I am trying to script a trigger on a table to accomplish the following... If a row is updated then the value in the 'date' column in that specific row would update to getDate().
I have never created a trigger before and finding it very difficult. Thank you very much in advance.
Kind Regards,
Sean.
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Feb 4, 2007
Hello
I am having difficulty try to get a trigger to work.
I need to create a trigger querie that will insert a row from TableMain (Column LNames) table to TableA (Column LNames)
Below is my querie
CREATE TRIGGER [trig_addTable_A]ON Table_A FOR INSERT ASINSERT LName (LName)
SELECT LNameFROM TableMain inserted
I have inserted test names into the main table but nothing in table A has inserted. What have I done wrong.
Thanks
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Mar 11, 2007
I am looking for a INSERT trigger example, to achieve the following objective:
I would like the trigger to be fired when a row gets inserted into a table. I want to retrive some value from the inserted row and use this value to insert a new row in table 2.
Thanks
chri
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Mar 17, 2007
is it possible to run a trigger forever... whose work is to archive data from a table. or how can i do the operation to archive automatically ?Regards,Kamrul Hassan
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Aug 14, 2007
Hi,
Does anybody know how could I define a for each row trigger in sql Server 2005?
What I need to do is before inserting in the table look through the rows to check wheter that value overlaps with the others.
"Overlap" means that this value cannot be betweent the values fo two different columns, that is why I need to go through all the table.
In case that was not possible, I propose the following, load the table in a dataset and check the constraint with a for loop despite of the performance could be decreased.
Any suggestion?.
Thanks in advance.
Cheers.
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Aug 28, 2007
Hi everybody
I work on a Project that has Inbox .
I need that if a record has inserted in inbox system alert to user that view it's inbox .
The suitable solution for it seems trigger ,but i don't how trigger could communicate with Application.
Thanks for any guides.
Best Regard
A.Doroudian
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Nov 28, 2007
hi .... I am going to use trigger first time.
my secnerio is that I want a common column in five tables on the insertion of a row in a particular table..
question is simple ..... can I do that????????????????????
thanks in advance.
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May 28, 2008
Hello Experts,
Currently I have 3 tables; Persons, Student and Teacher. Persons is the parent table of Student and Teacher and they are linked by the Person_Id attribute. For example, if Person_Id 1 exist in Student table, it cannot be inserted anymore into Teacher table. How do I write a trigger in MS SQL to implement this business rule? Any experts can shed some light? Thanks!
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Feb 12, 2004
I am trying to write a trigger that alows me to re-arrange the order of items. For instance, if I insert a record with a SF_NEWS_Order of "1" then all records with an order of "1" or more would increase by 1. This allows me to insert a record in the list of priorities. For some reason, the trigger is not working. If I have reords with SF_NEWS_Order values as follows:
1
2
3
I end up with this:
1
1
2
3
Can someone help with this? The code of the existing trigger is below:
CREATE TRIGGER NEWS_PRIORITY ON [dbo].[TBL_SF_NEWS]
FOR INSERT, UPDATE
AS
Declare @Order_Code int
Declare @New_ID int
Declare @Exist_Record int
Set @New_ID = ( Select SF_NEWS_ID from Inserted )
Set @Order_Code = ( Select SF_NEWS_Order from Inserted )
Set @Exist_Record = ( Select SF_NEWS_ID from [dbo].[TBL_SF_NEWS] Where SF_NEWS_Order = @Order_Code and SF_NEWS_ID <> @New_ID )
If (@Exist_Record <> Null ) Begin
Update [dbo].[TBL_SF_News] Set SF_NEWS_Order = (@Order_Code + 1) Where SF_NEWS_ID = @Exist_Record
End
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May 6, 2004
I have trigger firing during an update event. How can i fix the loop so this error will disappear..
Server: Msg 512, Level 16, State 1, Procedure TrigAssignImpTaskNew, Line 18
Subquery returned more than 1 value. This is not permitted when the subquery follows =, !=, <, <= , >, >= or when the subquery is used as an expression.
The statement has been terminated.
SET QUOTED_IDENTIFIER OFF
GO
SET ANSI_NULLS OFF
GO
ALTER procedure TrigAssignImpTaskNew
@REIDint,
@RRID varchar(20)
AS
DECLARE @intREID varchar(20)
DECLARE @intIMID varchar(20)
DECLARE @intAPID varchar(20)
DECLARE @intCounter integer
Declare @RetValint
select @intCounter = count(*) from RequestRecords where REID = @REID
select @intAPID = (select APID from RequestRecords where reid = @REID and ITID = null and RRSTatus = 'PE')
select @intIMID = (select IMID from Applications_ImplementationGroup where apid = @intAPID)
while @intCounter <> 0
begin
insert into ImplementationTasks
(
IMID,
ITStatus,
ITStatusDate
)
VALUES
(
@intIMID,
'0',
GetDate()
)
SET @RetVal = @@IDENTITY
end
Update RequestRecords
set ITID = @RetVal,
RRStatus = 'PR'
where RRID = @RRID
GO
SET QUOTED_IDENTIFIER OFF
GO
SET ANSI_NULLS ON
GO
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May 27, 2004
Anyone knows how to make a good trigger to create a row id on a table every time a new row is inserted? This is to maintain row id sequence by not setting the row id field as an auto identity which may be in broken sequence after a while.
Thanks.
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Jul 31, 2004
I've looked all over the internet for articles on Triggers, but none of them do exactly what I need. Could someone please see if this trigger would work? CREATE TRIGGER DuplicateEmployeeTrigger
ON Employees
BEFORE INSERT
AS
IF EXISTS (SELECT * FROM Employees e, INSERTED i WHERE e.Forename = i.Forename AND e.Surname = i.Surname)
ROLLBACK TRANSACTION
GO
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Jan 6, 2005
I everyone,
I need to write a update trigger. I have a table which will keep track of the dates when the reocrds were changed. The way my application is designed I cannot update through my application, as on many occasions this will be done from query analizer.
I have written the trigger but it is actually editing all the values with new date where as it should only edit the value of the column for which the records were changed.
Thanks in advance
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Feb 28, 2006
Can I implement a trigger in this stored procedure to get the itemSell and multiply it by the newQuantity and update the lineTotal column? Is it possible to have both in here? If so how? I've been reading up on them and it seems like what I need to do I just can't seem to get it going.
CREATE PROCEDURE UpdateCartItem(@cartItemID Int,@newQuantity numeric(9))ASUPDATE CartItems Set quantity = @newQuantityWHERE cartItemID = @cartItemIDGO
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Mar 12, 2006
Hi,
I needed to perform an update of a database table row when another table gets an insert.
Would I use a trigger to do this?, If so, how?
I will need to pass two of the feilds just inserted to perform the update on the second table.
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