Trigger Behaving Differently On Multi-row Update
Aug 1, 2007
Let me set the scene:
I have an update trigger on a table. When a specific column is updated, I get the rowid from 'inserted' and then pass it via service broker to another database that will fire off a maintenance routine at a later time. This whole process seems to work fine if I update a single row at a time through Query Analyzer.
During testing (of the service broker part) I found that if in Query Analyzer I run an update that updates all of the records at once, then the trigger seems to fire only once for the entire process, therefore killing the rest of my process.
I would have thought that regardless of how a record was being updated the trigger would fire atomically for each row.
Any guidance on this would be MOST appreciated!
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May 22, 2008
Hi Guys,
There is an int filed in my table called "WeekNo" and when I use order by WeekNo Desc, I am getting the following result.
9
8
7
7
6
5
4
3
2
18
17
16
15
15
14
13
13
12
11
10
10
1
This does not seem right, can anyone comment why i am getting this result.
Many Thanks
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Nov 20, 2007
Hi,
I need to update LastReceivedQty and LastReceivedDate fields in the Product table each time a DeliveryNoteDetail entry is created for a PurchaseOrderDetail line.
DeliveryNote -> DeliveryNoteDetail -> PurchaseOrderDetail -> Product
DeliveryNote has the ReceivedDate
DeliveryNoteDetail has the ReceivedQty
I made the following trigger for handling single row updates, which works fine.
UPDATE Purchasing.Product
SET LastReceivedQty = i.ReceivedQty, LastReceivedDate = dn.ReceivedDate
FROM Purchasing.DeliveryNote dn INNER JOIN
Purchasing.DeliveryNoteDetail dnd ON dn.DeliveryNoteID = dnd.DeliveryNoteID INNER JOIN
inserted i ON dnd.DeliveryNoteDetailID = i.DeliveryNoteDetailID INNER JOIN
Purchasing.PurchaseOrderDetail pod ON dnd.PurchaseOrderDetailID = pod.PurchaseOrderDetailID INNER JOIN
Purchasing.Product p ON pod.VendorVendorProductID = p.VendorVendorProductID
Now I don't know how to handle multi-row situations when the same product is updated.
Since I cannot rely on the order that the updates are performed I need to somehow select the MAX(ReceivedDate).
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Jan 24, 2008
how to do this
i have table of employee ,evry employee have a unique ID "empid"
empid VAL_OK
--------------------------
111 0
222 0
333 0
now insert multiple insert to my work_table shifts for all month for evry employee
like this
(this is work_table)
empid date val
--------------------------------------------------
111 01/02/2008 1
111 02/02/2008 2
...............
111 29/02/2008 5
--next employee
222 01/02/2008 1
222 02/02/2008 4
...............
222 29/02/2008 6
--next employee
333
--next employee
444
--next employee
555
-------------------------------------------------------------
now i need for evry OK insert (for all month) each employee
go to the TB_Employee
and update each employee once !!
from VAL_OK=0 to VAL_OK=1
like this
empid VAL_OK
--------------------------
111 1
222 1
333 1
----------------------
like this i know who is the employee have shift for all month and who NOT !
i think it like this
Code Snippet
Create trigger for_insert on tb_work
For insert
begin
if @@rowcount = 1
Update tb_employee
Set
val_ok= 1
else
/* when @@rowcount is greater than 1,
use a group by clause */
Update tb_employee
set
val_ok= 1
select empid from tb_work
group by tb_work.empid
End
TNX
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Dec 17, 2007
Hello,
I am converting old MS Access queries to T-SQL and ran into a problem. The results of the same update queries returned different results. The idea is to subtract each of the amounts of Table2 from Table1:
Source sample tables and content:
Table1
ID Amount
1 100
Table2
ID Amount
1 10
1 20
1 30
In Access (Orginal source):
UPDATE Table1
INNER JOIN Table2
ON Table1.ID = Table2.ID
SET Table1.Amount = Table1.Amount - Table2.Amount
In T-SQL (Converted):
UPDATE Table1
SET Table1.Amount = Table1.Amount - Table2.Amount
FROM Table1 INNER JOIN Table2
ON Table1.ID = Table2.ID
Syntax for T-SQL is different from Access. When both queries are ran on their respective database, Table1.Amount in access became 40 (100 - 10 - 20 - 30), but Table1.Amount in SQL became 90 (100 - 10).
It looks as if in T-SQL it only ran one row? Or it could be that in T-SQL, updates written to the database in batches, hence why Table1.Amount was not updated for all update instances? Any help would be greatly appreciated.
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Feb 4, 2008
the stored procedure don't delete all the records
need help
Code Snippet
DECLARE @empid varchar(500)
set @empid ='55329429,58830803,309128726,55696314'
DELETE FROM [Table_1]
WHERE charindex(','+CONVERT(varchar,[empid])+',',','+@empid+',') > 0
UPDATE [empList]
SET StartDate = CONVERT(DATETIME, '1900-01-01 00:00:00', 102), val_ok = 0
WHERE charindex(','+CONVERT(varchar,[empid])+',',','+@empid+',') > 0
UPDATE [empList]
SET StartDate = CONVERT(DATETIME, '1900-01-01 00:00:00', 102), val_ok = 0
WHERE charindex(','+CONVERT(varchar,[empid])+',',','+@empid+',') > 0
TNX
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May 27, 2008
hi need help how to send an email from database mail on row update
from stored PROCEDURE multi update
but i need to send a personal email evry employee get an email on row update
like send one after one email
i use FUNCTION i get on this forum to use split from multi update
how to loop for evry update send an single eamil to evry employee ID send one email
i update like this
Code Snippet
:
DECLARE @id nvarchar(1000)
set @id= '16703, 16704, 16757, 16924, 17041, 17077, 17084, 17103, 17129, 17134, 17186, 17190, 17203, 17205, 17289, 17294, 17295, 17296, 17309, 17316, 17317, 17322, 17325, 17337, 17338, 17339, 17348, 17349, 17350, 17357, 17360, 17361, 17362, 17366, 17367, 17370, 17372, 17373, 17374, 17377, 17380, 17382, 17383, 17385, 17386, 17391, 17392, 17393, 17394, 17395, 17396, 17397, 17398, 17400, 17401, 17402, 17407, 17408, 17409, 17410, 17411, 17412, 17413, 17414, 17415, 17417, 17418, 17419, 17420, 17422, 17423, 17424, 17425, 17426, 17427, 17428, 17430, 17431, 17432, 17442, 17443, 17444, 17447, 17448, 17449, 17450, 17451'
UPDATE s SET fld5 = 2
FROM Snha s
JOIN dbo.udf_SplitList(@id, ',') split
ON split.value = s.na
WHERE fld5 = 3
now
how to send an EMAIL for evry ROW update but "personal email" to the employee
Code Snippet
DECLARE @xml NVARCHAR(MAX)DECLARE @body NVARCHAR(MAX)
SET @xml =CAST(( SELECT
FirstName AS 'td','',
LastName AS 'td','' ,
SET @body = @body + @xml +'</table></body></html>'
EXEC msdb.dbo.sp_send_dbmail
@recipients =''
@copy_recipients='www@iec.com',
@body = @body,
@body_format ='HTML',
@subject ='test',
@profile_name ='bob'
END
ELSE
print 'no email today'
TNX
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Nov 9, 2007
It appears to update only the first qualifying row. The trace shows a row count of one when there are multiple qualifying rows in the table. This problem does not exist in JDBC 2000.
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Oct 7, 2005
I'm pretty new at T-SQL programming, though I'm pretty familiar with most SQL statements. I'm trying to write an insert trigger that handles a multi-row insert, but I'm avoiding using cursors (which I'll have to resort to if all else fails). I've looked everwhere I can think of for an answer, outside of buying another book, but I can't seem to find a solution. Anyone have a good way I can alter this trigger to accept multirow inserts without using a cursor?Note: The purpose of this trigger is to copy the features of a mobile phone account whenever a new mobile phone account is created (as in this is the information for an invoice, and the mobile account is to be copied and updated for the new invoice each month.)CREATE TRIGGER [copymobilefeatures] ON [dbo].[mobilesub] FOR INSERTAS
insert into #featuresselect i.invoicedate, i.subaccountnumber, i.planid, f.featureidfrom mobilesub m join (inserted i join mobilefeatures f on i.invoicedate = f.invoicedate ) on m.subaccountnumber = f.subaccountnumber
insert into mobilefeatures(invoicedate, subaccountnumber, planid, featureid)select * from #featuresI'd love code examples, but a detailed written explaination of what needs to be done might be even more helpful. I'm looking for understanding, not just something I can copy and paste. Thanks!
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Mar 28, 2001
SQL 7 SP3
Hi.
I have a trigger that fires for any updates/deletes/adds and logs information via a sp call.
If I have more than one record, is there a better way to process them other than using a cursor ?
Yes, they have to be processed through the sp.
Thanks,
Craig
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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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Apr 12, 2006
I would like to know how to, if at all possible, to reconstruct the following trigger as to be able to handle multiple row insert when a single insert command is used - because the trigger will only be called once...I'm not familiar and don't know anything about cursors and i've read that its not the best way to go.
TRIGGER ON childtable INSTEAD OF INSERT
AS
BEGIN
DECLARE @customkey char(16);
DECLARE @nextchild int;
DECLARE @parent int;
DECLARE @date datetime;
SET @date = getdate();
SELECT @parent = parenttable FROM inserted;
SELECT @nextchild=count(*)+1 FROM childtable WHERE parenttable = @parent;
IF (@nextchild >= 9998) return;
SET @customkey = €˜type€™+ convert(char(4),year(@date)) + convert(char(2),month(@date)) + convert(char(2),day(@date))+convert(char(4),@nextchild + 1);
INSERT INTO childtable (customkey,parent) VALUES (@customkey,@parent);
END
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Feb 28, 2008
Hi there,
I am looking for a way to define a trigger that is a replacement for a multi-column foreign key.
I know how to a convert a single-column foreign key constraint into a trigger (i.e., to resolve diamond-structured references).
CREATE TABLE parent_tab
(
col_a INTEGER NOT NULL,
CONSTRAINT pk PRIMARY KEY(col_a)
);
CREATE TABLE child_tab
(
col_x INTEGER NOT NULL,
CONSTRAINT fk FOREIGN KEY (col_x) REFERENCES parent_tab(col_a) ON DELETE CASCADE
);
The conversion would remove the foreign key definition and add this trigger:
CREATE TRIGGER tr_single
ON parent_tab INSTEAD OF DELETE
AS BEGIN
DELETE FROM child_tab WHERE (child_tab.col_x IN (SELECT col_a FROM deleted))
DELETE FROM parent_tab WHERE (parent_tab.col_a IN (SELECT col_a FROM deleted))
END;
Unfortunately, now I need to resolve a situation where there is involved a multi-column foreign key.
CREATE TABLE parent_tab
(
col_a INTEGER NOT NULL,
col_b INTEGER NOT NULL,
CONSTRAINT pk PRIMARY KEY(col_a, col_b)
);
CREATE TABLE child_tab
(
col_x INTEGER NOT NULL,
col_y INTEGER NOT NULL,
CONSTRAINT fk FOREIGN KEY (col_x, col_y) REFERENCES parent_tab(col_a, col_b) ON DELETE CASCADE
);
This does not work, because the temporary table "deleted" might contain more than one row. How do I make sure that the values belong to the same row?
-- incorrect trigger, might delete too many rows
CREATE TRIGGER tr_single
ON parent_tab INSTEAD OF DELETE
AS BEGIN
DELETE FROM child_tab WHERE (child_tab.col_x IN (SELECT col_a FROM deleted) AND child_tab.col_y IN (SELECT col_b FROM deleted))
DELETE FROM parent_tab WHERE (parent_tab.col_a IN (SELECT col_a FROM deleted) AND parent_tab.col_b IN (SELECT col_b FROM deleted))
END;
-- some magic needed :-)
CREATE TRIGGER tr_single
ON parent_tab INSTEAD OF DELETE
AS BEGIN
DELETE FROM child_tab WHERE (child_tab.col_x IN (SELECT col_a FROM deleted AS t1) AND child_tab.col_y IN (SELECT col_b FROM deleted AS t2) AND row_id(t1) = row_id(t2))
DELETE FROM parent_tab WHERE (parent_tab.col_a IN (SELECT col_a FROM deleted AS t1) AND parent_tab.col_b IN (SELECT col_b FROM deleted AS t2) AND row_id(t1) = row_id(t2))
END;
I know the trigger definition above is ***... but I hope that it helps to make clear what I need.
Btw., I use SQL Server 2005.
Thanks in advance,
slowjoe
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Sep 20, 2005
Hi All,
I have a DB of 100Gigs.
I have a SP which I came to knw frm developer that it is taking some more than 20 mins. Though when I just run the code frm the SP and replace the variables in the query with the values which I use in the executing the SP it completes in 2 mins.
I have recomiled the SP, drop and recreated the same.
I have updated the statistics of entire database checked whether the biggest table is having any defragmentation.
Any clues on this weird behaviour.
I have SQL Server 2000 with SP3.
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May 10, 2004
Hi,
I'm using the following SQL String in an ASP script with SQl Server:
SELECT time, DATEDIFF(minute, time, '18:00:00') AS difference FROM appointments
I have two appointments in the database - one with a time of 11:00 and one with a time of 14:00.
When I run this SQL query, 'difference' comes out exactly 48 hours more than it should do. So for the first appointment, it says that the difference is 3300 minutes and for the second it is 3120 minutes.
Any idea why this is happening? Is it something to do with the fact that I'm not using dates in the datetime format?
Paul
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Mar 30, 2007
Hi,
I have a ForEach Loop that has 3 script tasks in it.
I have them set up so that they execute in order, such as:
script1 ---> script2 ---> script3
script1 creates a file
script2 creates a file
script3 compares the files using a diff command
Problem is, when I execute the container, it shows that script3 finishes BEFORE script2, which of course gives an error b/c the file from script2 doesn't exist yet.
The error is "The system cannot find the file specified".
Thanks
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Feb 19, 2008
Hi,
I am working for my client on SQL 2005 Enterprise & observed a strange behaviour. Consider a table(EMPTABLE) as below:
PK, INT
VARCHAR
EMPID
EMPNAME
1
A
2
B
3
C
4
D
5
E
6
F
7
G
8
H
9
I
10
J
Now, I wanted the 5th highest EMPID from 2 from the table. Now, we know that the SQL
SELECT TOP 6 EMPID FROM EMPTABLE WHERE EMPID >=2 should (from all other possibilities) return me the desired value as the last row of the output table. I tried to get this in a derived table & get the MAX value i.e.
SELECT MAX(EMPID) FROM
(
SELECT TOP 6 EMPID FROM EMPTABLE WHERE EMPID >=2
) der
But this returns me 10, when I would've thought 7 was the expected answer
I remodified my query as mentioned below to strangely get 7 as the result...
SELECT MAX(EMPID) FROM
(
SELECT TOP 6 EMPID FROM EMPTABLE WHERE EMPID >=2 ORDER BY EMPID ASC
) der
How did the ORDER BY hep it???
Also, if I use
SELECT MAX(EMPID) FROM
(
SELECT TOP 6 EMPID FROM EMPTABLE WHERE EMPID >2
) der
I get the same result without having to specify the ORDER BY in my derived TABLE...
I tried looking for similar threads. But nothing could explain this to me...
If anyone knows what I am not able to understand, please let me know.
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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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Jan 5, 2004
Hi All,
I am trying to update a huge table with about 70 million records and the table do not have a primary key.
I want to update a "FLAG" field in the table with value 'N' default value of flag fields for all records is NULL.
I want to update the whole table in chunks say 50,000 records a time...
like
update tablename (first 50000)
set flag = 'N' where flag = NULL.
Hope I am clear..:-)
thanks
hardlyworking..
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Sep 27, 2006
I'm a newbie have trouble using the "inserted" table in a trigger. When I run these SQL statements:CREATE DATABASE foobarGOUSE foobar GOCREATE TABLE foo ( fooID int IDENTITY (1, 1) NOT NULL, lastUpdated datetime, lastValue int, PRIMARY KEY(fooID))GOCREATE TABLE bar ( barID int IDENTITY (1, 1) NOT NULL, fooID int NOT NULL, [value] int NOT NULL, updated datetime NOT NULL DEFAULT (getdate()), primary key(barID), foreign key(fooID) references foo (fooID))GOCREATE TRIGGER onInsertBarUpdateFoo ON Bar FOR INSERTAS UPDATE Foo SET lastUpdated = inserted.updated, lastValue = inserted.[Value] WHERE foo.fooID = inserted.fooIDGO
I get the error message:
Msg 4104, Level 16, State 1, Procedure onInsertBarUpdateFoo, Line 4
The multi-part identifier "inserted.fooID" could not be bound.
I can get the trigger to work fine as long as I don't reference "inserted".
What am I missing?
I'm using Microsoft SQL Server Management Studio Express 9.00.2047.00 and SQL Express 9.0.1399
Thanks in advance for your help...
Larry
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May 26, 2004
Being an access guy, I am having a hard time understanding why I can't do a join statement on an UPDATE?
What is the alternatives??
I have to match two tables up and use records from one to update the other and creating a view isn't working....
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Aug 24, 2007
Hi,
I have the following case:-
File a(transaction File)__File b(summary File)___File c(summary)
acctno___Value DB/CR_____Acctno DB,CR_______acctno DB,CR
1___________100db___________1______________________1
1___________300cr___________2______________________2
1___________600db
2___________700db
I want to update the account on table b and c from table a.
My current update is just for one table as follows:-
UPDATE amaster
SET cmdb = cmdb +
(SELECT SUM(transact.damt) AS Expr1
FROM transact
WHERE (acctno = amaster.acctno)
GROUP BY acctno),
cmcr = cmcr +
(SELECT SUM(transact.camt) AS Expr1
FROM transact
WHERE (acctno = amaster.acctno)
GROUP BY acctno)
FROM amaster INNER JOIN
transact ON transact.acctno = amaster.acctno
thanks
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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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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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Jul 19, 2013
I've seen this error on several of my databases again and again this week:
Violation of PRIMARY KEY constraint 'PK_XXXX'. Cannot insert duplicate key in object 'dbo.MyTable'. The duplicate key value is (whatever number here). The statement has been terminated.
The thing is, the PK is unique, and the INSERT statement does not touch that column, it touches the other ones. So SQL2012 is the one that automatically generates the next and unique available value.
How can be possible that the value to be inserted (generated by SQL2012) is a duplicate one? By the way, this was not happening on the previous SQL2005 or SQL2008 server where the databases were being hosted.
Here's my SQL 2012 version: 11.0.3000.0 (SP1 applied). Runs on top of a Win2008R2 Cluster.
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Jul 23, 2005
I'm new to adp w/ sql server but I have to use it on a project i'mdoing...One of the MUSTS for this project is the ability to update a 00 - 09text value with the appropriate text description from another table...Easy as pie in .mdb. Of course In the stored procedure it barks at meand tells me that an update query can only have one table.. ouch thathurts...I'm currently reading on the subject but this group has been veryhelpful in the past.....I found this link...http://www.sqlservercentral.com/col...stheeasyway.aspUnfortunetly I'm using MSDE not Enterprise so I don't think I can usethe query analyser.. But I tryed it in my Access ADP anywayit barked at me..I tried to go from this....SELECT dbo.LU_SEX.SEX_CODE, dbo.TEST.DEFECTS_DP1FROM dbo.TEST INNER JOINdbo.LU_SEX ON dbo.TEST.SEX_DP1 =dbo.LU_SEX.SEX_DECTo this...UPDATE dbo.TEST.SEX_DP1SET dbo.TEST.SEX_DP1 = dbo.LU_SEX.SEX_CODEFROM dbo.LU_SEX INNER JOINdbo.TEST ON dbo.LU_SEX.SEX_DEC =dbo.TEST.SEX_DP1Maybe I need a good book on this?Thanks,Charles
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Apr 14, 2014
How to update column with multiline comments.
eg. I need to update Notification column in my table as below.
Exit Formalities Notification sent to:
Employee: LastName, FirstName
EmployeeEmail: EmployeeEmailAddress
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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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Jul 20, 2005
Hi there,I'm a little stuck and would like some helpI need to create an update trigger which will run an update query onanother table.However, What I need to do is update the other table with the changedrecord 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 ofthe changed record for use in my trigger???Please helpM3ckon*** Sent via Developersdex http://www.developersdex.com ***Don't just participate in USENET...get rewarded for it!
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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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May 25, 2008
hi need help
i have this stored procedure
the problem is that
i canot update like this not more than 20 - 30 rows
(i send it from a web page from check box)
it work but it limited rows for update not more than 20 - 30 rows
in one time
Code Snippet
SET ANSI_NULLS OFF
GO
SET QUOTED_IDENTIFIER ON
GO
CREATE PROCEDURE [sto_update_snha]
@id varchar(1000)
as
UPDATE Snha
SET fld5 = 3
WHERE charindex(','+CONVERT(varchar,[id])+',',','+@id+',') > 0 AND (fld5 = 2)
TNX
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