Iterating Updated Fields Within A Trigger

Jul 23, 2005

Hi,


I want to log updates to specific fields, storing the new and old
values. Is there any way I can iterate the collection of updated
fields within a trigger in order accomplish this?
Thanks in advance,


Julie Vazquez

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How To: Create A Table That Only Allows NULL Fields To Be Updated.

Feb 26, 2008

I need to create a table that only allows fields to be updated if the field value is NULL. Is there anyway to configure a table in this manner?

In the example below the record will be created with a serial number and verification ready flag set to true. Other processes down stream will update the remaining fields as needed but should not update fields that have already been initialized.

Table Definition

USE [DB_AUTOMATED_PACKAGING_SYSTEM]
GO
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO
SET ANSI_PADDING ON
GO
CREATE TABLE [dbo].[TBL_LABEL_VERIFICATION](
[SerialNumber] [varchar](50) NOT NULL,
[VerificationReady] [int] NOT NULL,
[VoidLabelImage] [image] NULL,
[VerifiedBy] [varchar](50) NULL,
[VerifiedDate] [datetime] NULL,
[Verified] [int] NULL,
CONSTRAINT [PK_TBL_LABEL_VERIFICATION] PRIMARY KEY CLUSTERED
(
[SerialNumber] ASC
)WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON) ON [PRIMARY]
) ON [PRIMARY] TEXTIMAGE_ON [PRIMARY]

GO
SET ANSI_PADDING OFF

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Feb 14, 2007

Hello

I am a newbie creating triggers and I would like to know what is the name of the updated logical table. That is, since the are identifiers like "inserted" and "deleted" that represent the inserted and deleted rows, respectivaly, I presumed that "updated" existed - but it does not.

I have a table with a column named "UpdatedTimeStamp" which I would like to update anytime the other columns are modified. I intended to create the following trigger:

create trigger myTrigger
on myTable
after update
as

update updated set UpdateTimeStamp=GetDate()

Of course, "updated" is not a valid identifier that represents the updated row.

Please, help me in creating this trigger. What is the correct way of doing a trigger like this?

Thanks a lot in advanced.

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Hi,

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I don't know much about DB but I think that is easly doable.

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Hi,

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Hi,

I'm using sql-2005.

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I want to do this update only if certains columns were changed, otherwise - do anything, to reduce performance.

How Can I know which columns were updated inside the trigger? The tables has many columns and only if 2 of them were changed then I need to update other tables.

Many thanks,

Nira.

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Hi All,
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Thanks in advance.

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I am having a hard time understanding triggers. My goal is to put a trigger on table x where records are UPDATED or DELETED. When this trigger fires I need to take the record ID and put the ID modified record into table y with the date modified. so basically logging the recordid changed with the getDate()

I don't quite understand how to get the rowid of the modified record.

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May 8, 2008



Im using a trigger to check updates on particular table and execute a email. it works but it doesnt show the right record
im looking into one table called SiteInfo.
here is my code
Im using sql 2005, can someone look at my code or the select statement.


SET ANSI_NULLS ON

GO

SET QUOTED_IDENTIFIER ON

GO

-- =============================================

-- Author: <Author,,Name>

-- Create date: <Create Date,,>

-- Description: <Description,,>

-- =============================================

CREATE TRIGGER TTSUpdate

ON SiteInfo

FOR UPDATE

AS

declare @SiteID varchar(10)

declare @Body2 varchar(2000)

declare @Sitename varchar(50)

declare @TTSCreate varchar(30)

declare @TTSCreator varchar(50)

declare @Subject2 varchar (100)



SELECT @SiteID = SiteID,@Sitename = AccountName,@TTSCreator = TTSOwner,@TTSCreate = TTSCreatedDate

from SiteInfo



SET @Body2 = 'New TTS site created: ' + @Sitename + ' With TTS Site ID:' + @SiteID + ' TTS was created on: ' + @TTSCreate + ' By:' + @TTSCreator

SET @subject2 = 'New TTS site created: ' + @Sitename

EXEC msdb.dbo.sp_send_dbmail

@profile_name = 'TTSAdmin',

@recipients = 'email address here',

@subject = @subject2,

@body = @body2

GO

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Create A Trigger To Update A Row That's Been Inserted Or Updated

Jun 4, 2007

Hi



Apologies if this is a silly question



I have a basic table "Customer" which has

Id

Address1

Address2

Address3

Town

County

Postcode

SearchData



After I insert or Update a row in this table I need to update the SearchData column

with



UPPER(ADDRESS1) + UPPER(ADDRESS2) + UPPER(TOWN) + UPPER(POSTCODE)



only for that Id



I'm sure this is only a basic update but all the examples I can find are for inserting into other tables not the row itself.



Regards



David

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Thanks

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Hello,
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Or do I have to create a date_modified column of smalldatetime datatype and write a trigger on update for EVERY single table of content that I have in the database? It seems there should be an easier way to do this than to write 20 triggers for my 20 content tables.
Thanks!

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Jul 9, 2015

I am looking to created a trigger that inserts records into a log table to show the stored porcedure that has updated a specific column to a specific value in a specific table

At present I have:

CREATE TRIGGER [dbo].[trUpdaterTable]
ON [dbo].[t_account]-- A DB level trigger
FOR UPDATE
--Event we want to capture
AS
IF update (document_status)

[Code] ...

However this doesn't appear to bring back the procedure that triggered the update...

The value the trigger should update on is document_status = 0

DDLProcExecutedByEventDate
NULLNULLLOMBDAadministrator2015-06-25 07:42:01.677
NULLNULLLOMBDA im64602015-06-25 07:51:34.503
NULLNULLLOMBDAadministrator2015-06-25 07:52:01.610
NULLNULLLOMBDAadministrator2015-06-25 08:02:01.417
CREATE TRIGGER [dbo].[trTableupdateaccount] ON [DoesMore].[dbo].[t_account]

[Code] ....

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Jan 22, 2008



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Best Regards,
Hans

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Dec 20, 2005

Hi all,
I have a ranking system where I wish to update the ranking every time a result is reported. Performance is no issue what-so-ever. More specifically, two players are to devide their points after each series of games to reflect the fraction of over-all games that each player have won. 
I've written the trigger below, but Visual Web Developer 2005 Express (SQL Server 2005 Express) complains about the references to the 'inserted'-table.
I find it very difficult to transform the code below to something that looks like the examples found in documentation.
Could someone get me started in the right direction?
Thanks in advance,
Anders
create trigger result_insert on result
after insert as
begin
declare @won1 as int
declare @won2 as int
declare @oldRank1 as float
declare @oldRank2 as float
declare @oldranksum as float

select @won1 = sum(wongames1) from result where player1 = inserted.player1 and player2=inserted.player2
select @won2 = sum(wongames2) from result where player1 = inserted.player1 and player2=inserted.player2

select @oldrank1 = Rank from RankingInfo where memberid = inserted.playerid1
select @oldrank2 = Rank from RankingInfo where memberid = inserted.playerid2

set @oldranksum = @oldrank1 + @oldrank2

update rankingInfo set Rank = @won1 / ( @won1+@won2) * @oldranksum where memberid = inserted.player1
update rankingInfo set Rank = @won2 / ( @won1+@won2) * @oldranksum where memberid = inserted.player2

end

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BEGIN
-- SET NOCOUNT ON added to prevent extra result sets from

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BEGIN
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Code Snippet
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Code Snippet
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Code Snippet
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