Update Trigger - Update Query
Jul 20, 2005
Hi there,
I'm a little stuck and would like some help
I need to create an update trigger which will run an update query on
another table.
However, What I need to do is update the other table with the changed
record value from the table which has the trigger.
Can someone please show me how this is done please??
I can write both queries, but am unsure as to how to get the value of
the changed record for use in my trigger???
Please help
M3ckon
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Jan 3, 2005
hi!
I have a big problem. If anyone can help.
I want to retrieve the last update time of database. Whenever any update or delete or insert happend to my database i want to store and retrieve that time.
I know one way is that i have to make a table that will store the datetime field and system trigger / trigger that can update this field record whenever any update insert or deletion occur in database.
But i don't know exactly how to do the coding for this?
Is there any other way to do this?
can DBCC help to retrieve this info?
Please advise me how to do this.
Thanks in advance.
Vaibhav
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Jul 8, 2015
I have a table where table row gets updated multiple times(each column will be filled) based on telephone call in data.
Â
Initially, I have implemented after insert trigger on ROW level thinking that the whole row is inserted into table will all column values at a time. But the issue is all columns are values are not filled at once, but observed that while telephone call in data, there are multiple updates to the row (i.e multiple updates in the sense - column data in row is updated step by step),
I thought to implement after update trigger , but when it comes to the performance will be decreased for each and every hit while row update.
I need to implement after update trigger that should be fired on column level instead of Row level to improve the performance?
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Feb 15, 2008
Hello
I've to write an trigger for the following action
When a entry is done in the table Adoscat79 having in the index field Statut_tiers the valeur 1 and a date in data_cloture for a customer xyz
all the entries in the same table where the no_tiers is the same as the one entered (many entriers) should have those both field updated
statut_tiers to 1
and date_cloture to the same date as entered
the same action has to be done when an update is done and the valeur is set to 1 for the statut_tiers and a date entered in the field date_clture
thank you for your help
I've never done a trigger before
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Dec 20, 2004
Hi:
In a very busy SQL2000 enterprise edition server with 8GB memory and 6 cpus sp3, I could not install a update trigger, unless all the appl connections are dropped. For this 24 HR running svr, could do it.
then I try to run a query as follows:
if exists (select rfABC.* A
from rfABC inner join remoteSvr.XYZDB.dbo.vwIP L
on A.Address = L.address and
A.metro <> L.metro
begin
print ' ---- Yes metroID <> LAMetro, start job exec.... -----'
insert into tempCatchMetroIDGPRS
select rfABC.*, metro, getdate()
from rfABC inner join remoteSvr.XYZDB.dbo.vwIP L on rfABC.Address = L.address and rfABC.metro <> L.metro
update rfABC A
set A.metro = L.metro
from rfABC A inner join remoteSvr.XYZDB.dbo.vwIP L on A.Address = L.address and A.metro <> L.metro
end
else
begin
print ' ---- no metroID <> LAMetro, skip job exec.... -----'
end
------------------------------
this query hang there could not execute. When I took off the if ... else condition, it run with like 0 second. Wondered if a 'busy' (which updates the IP address continueously) could cause above issues...
thanks
David
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Jul 12, 2005
I'm trying to update (increment)
Company.SumtotalLogons
from CompanyUsers.NumberOfLogons
where CompanyUsers.CompanyID = Company.CompanyID
I'd like to either write a formula (if it is even possible to fire a formula from one table update/insert to increment a field in another table), or a stored procedure that triggers an auto update/append into Company.SumTotalLogons
I know this is possible in access, so i'm wondering how to go about it in ms-sql?
any ideas?
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Dec 17, 2001
I have an update trigger which fires from a transactiion table to update a parent record in another table. I am getting no errors, but also no update. Any help appreciated (see script below)
create trigger tr_cmsUpdt_meds on dbo.medisp for UPDATE as
if update(pstat)
begin
update med
set REC_FLAG = 2
from deleted dt
where med.uniq_id = dt.uniq_id
and dt.pstat = 2
and dt.spec_flag = 'kop'
end
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May 30, 2008
I am trying to update a fields with an UPDATE statement but I keep getting the error message when I run the query.
Subquery returned more than 1 value. This is not permitted when the subquery follows =, !=, <, <= , >, >= or when the subquery is used as an expression.
I have this Update trigger that I know is causing the error message because I guess it's not built to manage multi-row updates.
Can someone help me re-write it. I also tried using the WHERE p.ID = p.ID but when I do that it modifies all rows in the modifieddate column instead of just the cells/rows that I'm updating
ALTER TRIGGER [dbo].[MultitrigCA]
ON [dbo].[ProdDesc]
AFTER UPDATE
AS
SET NOCOUNT ON
IF UPDATE (codeabbreviation)
UPDATE p
sET p.ModifiedDate = GETDATE()
FROM ProdDesc AS p
WHERE p.ID = (SELECT ID FROM inserted)
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Apr 3, 2008
hi!
i have a database with about 20 tables. i appended to each table a column "UpdatedOn", and i want to write a trigger to set the date of the update date in that column, using a trigger.
i want to avoid the trigger launching for the last column (UpdatedOn).
how can i detect the rows that changed, and modify only the update date/time?
i read something about TableName_Inserted and TableName_Deleted, but i would prefer to copy as generic as possible the data from there, meaning, not to write column names in my script.
another idea i thought about was to prevent the trigger executing if no other column except for UpdatedOn changed, but... i encounter some trouble, when i try to pass column name (as string) to UPDATE() function.(Error: Expecting ID or QUOTED_ID)
thank you in advance.
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Mar 26, 2007
Hi! Select gets all records that contains illegal chars... Ok, to replace '[' { and some other chars I will make AND '% .. %' and place other intervals, that is not the problem.The problem is: How to replace not allowed chars ( ! @ # $ % ^ & * ( ) etc. ) with '_' ?I have seen that there is a function REPLACE, but can't figure out how to use it. 1 SELECT user_username
2 FROM users
3 WHERE user_username LIKE '%[!-)]%';
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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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Sep 15, 2001
I'm looking for a query that can "batch" update one table from another. For example, say there are fields on both tables like this:
KeyField
Value1
Value2
Value3
The two tables will match on "KeyField". I would like to write one SQL query that will update the "Value" fields in Table1 with the data from Table2 when there is a match.
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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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Apr 6, 2004
Hello All,
I've been adviced without much detail that the best way to handle updates is with an Update Trigger to write to an AuditTable.
I always thought it was better to avoid triggers.
I'm getting confused very fast in reading about triggers.
Could someone please point me in the right direction?
Thank you,
Tina
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Dec 2, 2004
i am using address table to store the address of employees, agents, students; so can't use cascade update and delete. so i decided to use trigger but i got stuck here as well.
Here employeeid is the PK of employee id. so when it is updated, i want to update that id in corresponding address table as well.
so what i need is to find out the previous value of EmployeeID before updating to use in WHERE clause and new EmployeeID to use in SET clause.
<code>
CREATE TRIGGER [AddressUpdate] ON [dbo].[MCS_Employee]
FOR UPDATE
AS
IF UPDATE(EmployeeID)
BEGIN
UPDATE MCS_Address SET EmployeeID = 'i am stuck here; how to know the previous value?
WHERE EmployeeID = ???
END
</end>
ironically, PK in my table can be updateable as well.
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Sep 1, 2005
Hello all. I have a table which is the exact replication of a different table. Now if an update takes place in the original table I want to copy that row into the new table without the update.I have this but I am not sure if it works.Create Trigger Content_Archive on content
For Update
As
Insert Into content_audit Select * From DeletedI dont know if Updated exists so I am using Deleted. It is returning both rows (before and after update). And the insert should take place as soon as an update takes place in any field in the content table.
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Feb 21, 2001
Hello, I have two tables, looks as follow.
TOPIC
------
TOPIC_ID
STATUS_ID
TOPIC
THREAD
-------
THREAD_ID
TOPIC_ID
STATUS_ID
THREAD
THREAD_DATE
NAME
I want to update STATUS_ID in TOPIC when I post a new THREAD.
I guess the best would be to use a trigger?
Don't know much how you write them so if someone please could help or point me in right direction.
My plan is to always show the updated STATUS_ID in TOPIC while I have history in the THREAD TBL.
I am using MS SQL 7.0
Thanks for a great site.
Linkan
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Feb 22, 2001
Hello,
I am new to this and on my way to learning. I hope someone can help me with a trigger. I want to update status of one table when I insert a new threat in another. This is what I have come up with so far.
CREATE TRIGGER [trg_Update_Status] ON tForumThread
FOR INSERT
AS
BEGIN
UPDATE tJournalTopic (STATUS_ID)
SELECT STATUS_ID
FROM Inserted
Thanks,
Linkan
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Dec 17, 2002
I need to be able to select the row or specific field that was updated in an update trigger. I dont have any time-stamp or before-after value columns to compare. Please help!
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Aug 20, 2001
I HAVE TWO TABLES IN THE DATABSE T1 AND THE SECOND TABLE(T2) IS FOR AUDITING.
THE STRUCTURE OF BOTH THE TABLES IS SIMILAR WITH ONE MORE COLUMN 'STATUS' IN THE T2.
I HAVE ALREADY WRITTEN THE TRIGGERS FOR THE INSERT AND DELETE TRIGGERS SO THAT I CAN SAVE THE
RECORD WITH STATUS OF 'NEW INSERT' OR 'DELETE' OR 'UPDATE' IN THE AUDIT TABLE(T2).
HELP ME IN WRITING THE TRIGGER FOR UPDATE.
MY PROBLEM IS I DON'T KNOW HOW TO STORE THE UPDATED COLUMNS VALUES INTO VARIABLES AND SO THAT
I CAN STORE THE OLD VALUES INTO THE AUDIT TABLE(T2).
I M USING SQL SERVER 6.5, SO WE CAN NOT USE COLUMNS_UPDATED() IN THE TRIGGER.
PLEASE SUGGEST ME THE CODE SO THAT I CAN STORE THE OLD ROW IN THE TABLE(T1) TO TABLE (T2)
WITH STATUS 'UPDATE' IN THE T2.
PLEASE SUGGEST ME..ITS URGENT.
THANKS IN ADVANCE
HARISH
=============================
/*test trigger for insert status */
if exists (select * from sysobjects where id = object_id('dbo.tri_t1_insert') and sysstat & 0xf = 8)
drop trigger dbo.tri_t1_insert
GO
CREATE TRIGGER tri_t1_insert ON dbo.t1
FOR INSERT
AS
declare @v1 binary(20),
@v2 varchar(255)
Begin
select @v1=stamp,@v2=name from inserted
insert into t2(stamp,name,status) values(@v1,@v2,'NEW INSERT')
end
GO
========================================
/*test trigger for delete status */
if exists (select * from sysobjects where id = object_id('dbo.tri_t1_delete') and sysstat & 0xf = 8)
drop trigger dbo.tri_t1_delete
GO
CREATE TRIGGER tri_t1_delete ON dbo.t1
FOR delete
AS
declare @v1 binary(20),
@v2 varchar(255)
Begin
select @v1=stamp,@v2=name from deleted
insert into t2(stamp,name,status) values(@v1,@v2,'DELETE')
end
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May 29, 2002
I have an update trigger on a table on my transactional database that inserts a row of data into another database (audit database)for any modification made on the transactional database.
So if i modify a row on tran db it will write the data modified as a new row in the audit db.
This works fine if I am updating only 1 row with each Update statement. However if I update more than 1 row (multiple rows) with the same Update statement, the update trigger only inserts the last row modified in the audit database. So I lose record of any other rows modified with the same update statement.
Is there a way by which i can change my Update trigger or something, so I get all the rows updated by 1 update statement inmy audit database???
Thanks a bunch,
Judy
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Apr 9, 2001
Hello All,
How do I create an update trigger that only updates the record that is being updated?
TIA,
Terry
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Mar 4, 2005
well basically i have a table with 3 columns in a table called TEST like:
TEST1 TEST2 TEST3
------- ------- -------
NULL NULL NULL
these columns can allow nulls. What i whant to do with my trigger is do a after trigger and check after the load if a certain column is NULL place a X instead like a flag but only on the columns that are NULL how would i do this.
plz help
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Oct 14, 2005
Is there a way I can get the old value of a specific field when using an update trigger?
e.g. I want to use the condition 'If Update(Column) '
in odrer to create a logfile which stores the old and new value of a field.
The new value can be get from a Select from Inserted table.
Is there a way I can get the old value (before update) also??
Regards,
Manolis
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Mar 7, 2006
I have created a table with the following columns Jobnumber varchar(20), weight real(4), freightcost money(8), trackingnumber vchar(50), comments varchar(2000) and voidid varchar(3)
I wrote a trigger that updates this data based on the voidid to update the package table as followed:
CREATE TIGGER [UPS] ON dbo.UPSSHIPMENT
FOR INSERT
AS
DECLARE @JOBNUMBER CHAR(20)
DECLARE @WEIGHT REAL(4)
DECLARE @FREIGHTCOST MONEY(8)
DECLARE @TRACKINGNUMBER CHAR(25)
DECLARE @SHIPMETHOD CHAR(50)
DECLARE @voidid char(2)
SELECT @JOBNUMBER=JOBNUMBER,
@WEIGHT=WEIGHT,
@FREIGHTCOST=FREIGHTCOST,
@TRACKINGNUMBER=TRACKINGNUMBER,
@SHIPMETHOD=SHIPMETHOD,
@VOIDID=VOIDID
FROM INSERTED
UPDATE PACKAGE
SET PACKAGE.WEIGHT = @WEIGHT,
PACKAGE.FREIGHTCOST = @FREIGHTCOST,
PACKAGE.TRACKINGNUMBER = @TRACKINGNUMBER,
PACKAGE.COMMENTS = @SHIPMETHOD
WHERE PACKAGE.JOBNUMBER = @JOBNUMBER
AND @VOIDID = 'N'
UPDATE PACKAGE
SET PACKAGE.WEIGHT = '',
PACKAGE.TRACKINGNUMBER = '',
PACKAGE.COMMENTS = 'UPS VOID',
PACKAGE.FREIGHTCOST = ''
WHERE PACKAGE.JOBNUMBER = @JOBNUMBER
AND @VOIDID = 'Y'
I am getting the following error see attached.
Any help would be great Thank you!
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May 10, 2006
Hallo there,
I'm totally new to writing triggers, but managed to get a trigger to update a specific column (ufINCTcost) on change of another column (ufINCKm)
My problem is that the trigger performs this update on ALL rows, which makes it very slow. How can I get it to only update the column on the row where the change was made ?
My trigger looks as follows:
CREATE TRIGGER updateincidents ON [dbo].[_rtblIncidents]
FOR UPDATE, INSERT
AS
IF UPDATE (ufINCKm)
BEGIN
UPDATE dbo._rtblIncidents
SET ufINCTcost=dbo._rtblIncidents.ufINCKm+dbo._rtblInc idents.ufINCToll+dbo._rtblIncidents.ufINCParking+d bo._rtblIncidents.ufINCFlight+dbo._rtblIncidents.u fINCRental
Hope you can help !!
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Nov 11, 2006
Hi,
I've got 2 tables, EMPLOYEE and STORE
The EMPLOYEE table holds all the basic stuff you would want to know about an employee and it contains a STORE_CODE attribute that points to the same attribute in the STORE table (to keep track of the store they work at). The STORE table has the STORE_CODE attribute, a NUM_EMP attribute that keeps track of the number of employees at that store, and some other information that is of no relevance to the question.
I've written the following TRIGGER to update the NUM_EMP attribute in STORE everytime a row is inserted or deleted from EMPLOYEE. It works fine for inserts and deletes but I am clueless as how to make it work for updates (an EMPLOYEE transfers to another store). I appreciate any feedback and please feel free to tell where I've gone wrong so far.
Thanks!
CREATE TRIGGER [UPDATENUMEMP] ON [EMPLOYEE]
FOR INSERT,UPDATE,DELETE
AS
DECLARE @STORECODE INT
DECLARE @NUMEMP INT
/*DELETE CASE*/
IF (NOT EXISTS (SELECT * FROM INSERTED) AND EXISTS (SELECT * FROM DELETED))
BEGIN
DECLARE DELETECURSOR CURSOR FOR
SELECTSTORE_CODE, COUNT(*) AS NUMEMP
FROMDELETED
GROUP BY STORE_CODE
OPEN DELETECURSOR
FETCH NEXT FROM DELETECURSOR INTO @STORECODE, @NUMEMP
WHILE(@@FETCH_STATUS = 0)
BEGIN
UPDATESTORE
SETNUM_EMP = NUM_EMP - @NUMEMP
WHERESTORE_CODE = @STORECODE
FETCH NEXT FROM DELETECURSOR INTO @STORECODE, @NUMEMP
END
CLOSE DELETECURSOR
DEALLOCATE DELETECURSOR
END
/*INSERT CASE*/
IF(EXISTS (SELECT * FROM INSERTED) AND NOT EXISTS (SELECT * FROM DELETED))
BEGIN
DECLARE INSERTCURSOR CURSOR FOR
SELECTSTORE_CODE, COUNT(*) AS NUMEMP
FROMINSERTED
GROUP BY STORE_CODE
OPEN INSERTCURSOR
FETCH NEXT FROM INSERTCURSOR INTO @STORECODE, @NUMEMP
WHILE(@@FETCH_STATUS = 0)
BEGIN
UPDATESTORE
SETNUM_EMP = NUM_EMP + @NUMEMP
WHERESTORE_CODE = @STORECODE
FETCH NEXT FROM INSERTCURSOR INTO @STORECODE, @NUMEMP
END
CLOSE INSERTCURSOR
DEALLOCATE INSERTCURSOR
END
GO
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Apr 22, 2008
This is something I have limited experience on. I need to create an update trigger after insert on one table that updates a completely different production table. My development server is being re-done and I'm not sure when it will be back on line. I have created some audit tables using triggers but they a simple inserts into a new table.
I believe the trigger statement should look like this, any advice would be appreciated.
Thanks in advance.
CREATE TRIGGER OB$1InsertAudit ON OB$0001
AFTER INSERT
AS
Begin
Update AX$0001
Set AX$0001.receiveddate=getdate(), AX$0001.docreviewstatus=null where Ob$0001.objid=AX$0001.refobjid and OB$0001.recordtype=6 and
OB$0001.descriptor in('Ancillary Services Tracking Form',
'FCE Referral Request',
'Remain At Work',
'Voc Rehab Job Retention')
End
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Jan 21, 2004
Hi,
If I have a situation where a particular SQL statement updates three records on a table and there is an Update trigger defined on the table, then how many times will the trigger fire - three times or one time.
Thanks in advance.
Raj
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Mar 15, 2004
I have this table:
CREATE TABLE [dbo].[EB_Eprom] (
[EpromID] [int] IDENTITY (1, 1) NOT NULL ,
[Naam_Spel] [nvarchar] (50) COLLATE SQL_Latin1_General_CP1_CI_AS NULL ,
[Versie] [nvarchar] (5) COLLATE SQL_Latin1_General_CP1_CI_AS NULL ,
[Checksum1] [nvarchar] (4) COLLATE SQL_Latin1_General_CP1_CI_AS NULL ,
[Checksum2] [nvarchar] (4) COLLATE SQL_Latin1_General_CP1_CI_AS NULL ,
[Omschrijving] [ntext] COLLATE SQL_Latin1_General_CP1_CI_AS NULL ,
[Datum_vrijgave] [smalldatetime] NULL ,
[Kabinet] [int] NULL ,
[Merk] [int] NULL ,
[Wet] [int] NULL ,
[Bestand_1] [varchar] (100) COLLATE SQL_Latin1_General_CP1_CI_AS NULL ,
[Bestand_2] [varchar] (100) COLLATE SQL_Latin1_General_CP1_CI_AS NULL ,
[Lastedit] [datetime] NULL
) ON [PRIMARY] TEXTIMAGE_ON [PRIMARY]
and i created this trigger:
CREATE trigger CT_EB_EpromBestanden on dbo.EB_Eprom
after update
as
update EB_Eprom
set eb_eprom.bestand_1 = '../data/'+str(b.bestand_1) ,
eb_eprom.bestand_2 = '../data/'+str(b.bestand_2)
from EB_Eprom a join inserted b
on a.EpromID= b.EpromID
the thing that this trigger must do is update the given value with the custom path ../data/
Can someone tell me what i do wrong!!
Thanx already
Cheerz Wimmo
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May 27, 2004
hi folks.
Í want to do this:
/***************************************/
CREATE TRIGGER TRGfechaModificacion
ON UsuariosVencimientos
AFTER UPDATE AS
DECLARE @updatedID AS int
BEGIN
--Get the last ID updated
SELECT @updatedID = @@updated --???
-- Updated this record with the actual datetime
UPDATE
UsuariosVencimientos
SET
Fecha_Actualizacion = getDate()
WHERE
id = @updatedID
END
/***************************************/
Resume:
I want to get the 'id' updated so I can used for the update query ;)
thanx
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Apr 14, 2008
Hi,
I'm trying to write an update trigger on sql 2005 but having a few issues. Basically I have a table with say 10 records in there. When an update occurs on a record and I want the trigger to recognise this and place a flag of X in a column to mark it.
The trigger then copies the record marked with X into another table. In the source table where the flag is marked X it will then update it with a GetDate function.
Can someone advise what I'm doing stupidly wrong. I want a before update function. But I'm getting an error on the Before Syntax. Any advise/help appreciated
set ANSI_NULLS ON
set QUOTED_IDENTIFIER ON
GO
CREATE TRIGGER [dbo].[Update_Flag]
ON [MYDB].[dbo].[SOURCETABLE]
BEFORE UPDATE
AS
Update [SOURCETABLE]
Set RecordUpdateFlag = 'X'
Update [SOURCETABLE]
Set RecordUpdateType='U' -- For Record Update
Insert into MYDB.dbo.[xSOURCETABLE]
Select * from [SOURCETABLE]
where RecordUpdateFlag = 'X'
and RecordUpdateType='U'
Update [SOURCETABLE]
Set RecordUpdateFlag= GetDate()
Update [xSOURCETABLE]
Set RecordUpdateFlag= GetDate()
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