Trigger question in MS SQL 2005 on update /insert audit : sql, trigger, 2005, update, insert

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11.28.2007 at 01:31PM PST, ID: 22989000

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6.8

Trigger question in MS SQL 2005 on update /insert audit

Zones: MS SQL Server, SQL Server 2005

Tags: sql, trigger, 2005, update, insert

I have created this trigger below to audit updates and inserts to my table, I also want any updates or inserts to be copied to another table called labdata, and then logged in my audit table. how would i do this?
this is what i have so far and it works for what i have so far.
CREATE TRIGGER AuditSamples
ON dbo.[Samples Received]
AFTER INSERT, UPDATE
--NOT FOR REPLICATION
AS
DECLARE @Operation char(6)

IF EXISTS(SELECT * FROM deleted)
      SET @Operation = 'Update'
ELSE
      SET @Operation ='Insert'

INSERT INTO dbo.SamplesAudit(DateChanged,TableName,UserName,Operation)
SELECT GetDate(),'[Samples Received]', suser_sname(),
      @Operation
--End of Trigger

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Question Stats

Zone: Microsoft

Question Asked By: edi77

Solution Provided By: ursangel

Participating Experts: 3

Solution Grade: A

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11.28.2007 at 02:26PM PST, ID: 20369472

Rank: Guru

pai_prasad:

I also want any updates or inserts to be copied to another table called labdata,
>>>>
is my understanding correct

1. Insert happens in the parent table
2. Trigger is fired
3, U need the inserted row in child table
4 make an audit entry for the insert in audit table

11.28.2007 at 02:27PM PST, ID: 20369486

Rank: Sage

dqmq:

Not quite sure what your question is. To insert in another table, add another insert to the trigger.

Note that your code only inserts one row in the audit table, even if your update affects several rows in the samples_received. That may or may not be what you intend for the audit table. But for the labdata table, it's not acceptable.

For that case, you need to join the the Inserted table to generate multiple rows:

INSERT INTO dbo.labdata
Select * from Inserted

11.28.2007 at 02:45PM PST, ID: 20369628

edi77:

ok my insert and updates should only happen one at a time.
yes , after i insert any record into lab samples i also want to insert it into the labdata table.
how where in the code do i do that?
can u show me what u mean?

after it does that for insert or update, i would like it to go to the audit table as well.

does that make sense?

11.28.2007 at 04:36PM PST, ID: 20370402

Rank: Sage

dqmq:

>ok my insert and updates should only happen one at a time.

I've heard that before!!

CREATE TRIGGER AuditSamples
ON dbo.[Samples Received]
AFTER INSERT, UPDATE
--NOT FOR REPLICATION
AS
BEGIN --Trigger

--insert one row in samples for each update or insert STATEMENT
--to make a ROW trigger, remove the DISTINCT keyword
INSERT INTO dbo.SamplesAudit(DateChanged,TableName,UserName,Operation)
SELECT DISTINCT GetDate(),'[Samples Received]', suser_sname()
, ISNULL('Update','Insert') From Deleted

--insert one row in lab data for each update or insert ROW
INSERT INTO dbo.labdata
SELECT * FROM Inserted

END --Trigger

If you want to audit the insert to labdata, then it's best to have a insert trigger on that table, as well.

11.28.2007 at 09:41PM PST, ID: 20371555

ursangel:

All the experts commenst should work fine,
Just add this line of insert in your existing tirgger.
Insert into dbo.labdata (select * from inserted)
hoping that your lab data and lab sample have the same schema.

11.28.2007 at 10:12PM PST, ID: 20371630

edi77:

ok that didnt really work it said it couldnt find the labdata table ...
the thing is the first way i did it worked so that part is good. the audit on samples recieved works fine.

so if i want to keep it simpler

what if i just did all the inserting into the labdata table in a seperate trigger. would that be better?
if so how would that look?

i want it to say.
when a new record is updated or inserted in samples recieved enter a record into labdata, then audit that record in a an audit table.
actually i dont want to copy the WHOLE record just 3 fields. DNA, Kit, Participant

could you help me with what that syntax looks like. can i write a trigger on one table based on another like this?
i have no idea never done it.

11.28.2007 at 10:21PM PST, ID: 20371668

edi77:

no the field names nor schema arent exactly the same. i only need about 3 fields to be copied into the lab data table from the samples table.

11.28.2007 at 10:30PM PST, ID: 20371697

edi77:

anyone out there who can help?

11.30.2007 at 03:30AM PST, ID: 20381024

ursangel:

You havent specified which are the column name that u need to be inserted into the LABDATA table.
Im just writing this from my guess. Replace the column name with the exact one's
Just select the coulmn name alone and insert into the labdata
insert into LABDATA (Col1, Col2, Col3) select Col1, Col2 Col3 from Inserted

Accepted Solution

20080236-EE-VQP-29 / EE_QW_2_20070628