SQL Server 2008 :: Delete Before Insert Trigger Statement
Apr 6, 2015
What statement do I use, as part of an insert trigger, to insert xml data from the xml database to a flat file database, to check if a record with a specific ID exists to delete first then insert the changed record, instead of adding the changes or an updated from the original xml database.
What I’m trying to do is take the xml formatted data out of one sql server database and insert the data only in that xml into a another sql database. So I can play with the data.
Problem is if the data in the xml is updated or changed for a specific record on the original xml database then the trigger inserts another copy into the created database (which I don’t want).
This is on SQL Server 2008R2.
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Mar 15, 2013
I am experimenting with using CDC to track user changes in our application database. So far I've done the following:
-- ENABLE CDC ON DV_WRP_TEST
USE dv_wrp_test
GO
EXEC sys.sp_cdc_enable_db
GO
-- ENABLE CDC TRACKING ON THE AVA TABLE IN DV_WRP_TEST
USE dv_wrp_test
[Code] ....
The results shown above are what I expect to see. My problem occurs when I use our application to update the same column in the same table. The vb.net application passes a Table Valued Parameter to a stored procedure which updates the table. Below is the creation script for the stored proc:
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO
if exists (select * from sysobjects where id = object_id('dbo.spdv_AVAUpdate') and sysstat & 0xf = 4)
drop procedure dbo.spdv_AVAUpdate
[Code] ....
When I look at the results of CDC, instead of operations 3 and 4, I see 1 (DELETE) and 2 (INSERT) for the change that was initiated from the stored procedure:
-- GET CDC RESULTS FOR CHANGES TO AVA TABLE
USE dv_wrp_test
GO
SELECT *
FROM cdc.dbo_AVA_CT
GO
--RESULTS SHOW OPERATION 1 (DELETE) AND 2 (INSERT) INSTEAD OF 3 AND 4
--__$start_lsn__$end_lsn__$seqval__$operation__$update_maskAvaKeyAvaDescAvaArrKeyAvaSAPAppellationID
--0x0031E84F000000740008NULL0x0031E84F00000074000230x02119Test26NULL
--0x0031E84F000000740008NULL0x0031E84F00000074000240x02119Test36NULL
--0x0031E84F00000098000ANULL0x0031E84F00000098000310x0F119Test36NULL
--0x0031E84F00000098000ANULL0x0031E84F00000098000420x0F119Test46NULL
Why this might be happening, and if so, what can be done to correct it? Also, is there any way to get the user id associated with the CDC?
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Mar 11, 2015
I have created an insert trigger to update an address column with a default when it is null, for different clients using a case statement.
When I import data using the import wizard, the trigger doesn't fire.
Doesn't SQL see an import as an insert?
How can I get this trigger to fire for an import?
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May 8, 2015
i would like to know it's possible to find all transaction(insert, delete,update) on a database for a day. if yes what can i do.
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Mar 14, 2015
I have two tables. Order table and order detail table.
What I want to do is send notification to a service when an order is created. And I want to include both header and detail of the order.
I can't get working with on insert trigger . How to go around with trigger ?
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Sep 28, 2015
Have any seen Insert statement deadlocking itself ? Most of the articles published by Microsoft says to change the transaction isolation level from Read Committed to Read Committed Snapshot.Below is the XML file on the deadlock
<deadlock>
<victim-list>
<victimProcess id="processe259948" />
</victim-list>
<process-list>
[code]...
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Sep 9, 2015
I have two different SQL 2008 servers, I don't have permission to create a linked server in any of them. i created a trigger on server1.table1 to insert the same record to the remote server server2.table1 using OPENROWSET
i created a stored procedure to insert this record, and i have no issue when i execute the stored procedure. it insert the recored into the remote server.
The problem is when i call the stored procedure from trigger, i get an error message.
Stored Procedure:
USE [DB1]
GO
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
[Code] ....
When i try to insert a new description value in the table i got the following error message:
No row was updated
the data in row 1 was not committed
Error source .Net SqlClient Data provider.
Error Message: the operation could not be performed because OLE DB
provider "SQLNCLI10" for linked server "(null)" returned message "The partner transaction manager has disabled its support for remote/network transaction.".
correct the errors entry or press ESC to cancel the change(s).
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Sep 26, 2007
Hi! I am deleting some records from the database and at the same time inserting them into a new table. I am doing all this with sql querries. How can that be done with triggers. Basically on the delete, i'd like to insert the affected records. Thanks!
James
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Jan 14, 2008
This problem is being seen on SQL 2005 SP2 + cumulative update 4
I am currently successfully using the output clause of an insert statement to return the identity values for inserted rows into a table variable
I now need to add an "instead of insert" trigger to the table that is the subject of the insert.
As soon as I add the "instead of insert" trigger, the output clause on the insert statement does not return any data - although the insert completes successfully. As a result I am not able to obtain the identities of the inserted rows
Note that @@identity would return the correct value in the test repro below - but this is not a viable option as the table in question will be merge replicated and @@identity will return the identity value of a replication metadata table rather than the identity of the row inserted into my_table
Note also that in the test repro, the "instead of insert" trigger actually does nothing apart from the default insert, but the real world trigger has additional code.
To run the repro below - select each of the sections below in turn and execute them
1) Create the table
2) Create the trigger
3) Do the insert - note that table variable contains a row with column value zero - it should contain the @@identity value
4) Drop the trigger
5) Re-run the insert from 3) - note that table variable is now correctly populated with the @@identity value in the row
I need the behaviour to be correct when the trigger is present
Any thoughts would be much appreciated
aero1
/************************************************
1) - Create the table
************************************************/
CREATE TABLE [dbo].[my_table](
[my_table_id] [bigint] IDENTITY(1,1) NOT NULL,
[forename] [varchar](100) NULL,
[surname] [varchar](50) NULL,
CONSTRAINT [pk_my_table] PRIMARY KEY NONCLUSTERED
(
[my_table_id] ASC
)WITH (PAD_INDEX = OFF, IGNORE_DUP_KEY = OFF, FILLFACTOR = 70) ON [PRIMARY]
)
GO
/************************************************
2) - Create the trigger
************************************************/
CREATE TRIGGER [dbo].[trig_my_table__instead_insert] ON [dbo].[my_table]
INSTEAD OF INSERT
AS
BEGIN
INSERT INTO my_table
(
forename,
surname)
SELECT
forename,
surname
FROM inserted
END
/************************************************
3) - Do the insert
************************************************/
DECLARE @my_insert TABLE( my_table_id bigint )
declare @forename VARCHAR(100)
declare @surname VARCHAR(50)
set @forename = N'john'
set @surname = N'smith'
INSERT INTO my_table (
forename
, surname
)
OUTPUT inserted.my_table_id INTO @my_insert
VALUES( @forename
, @surname
)
select @@identity -- expect this value in @my_insert table
select * from @my_insert -- OK value without trigger - zero with trigger
/************************************************
4) - Drop the trigger
************************************************/
drop trigger [dbo].[trig_my_table__instead_insert]
go
/************************************************
5) - Re-run insert from 3)
************************************************/
-- @my_insert now contains row expected with identity of inserted row
-- i.e. OK
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Aug 15, 2001
I HAVE TWO TABLES IN THE DATABSE AND THE SECOND TALE SI FOR AUDITING.
I WANT CREATE THE TRIGGER ON FIRST TABLE SO THAT I CAN PUT THE STATUS
LIKE INSERT,UPDATE OR DELETE IN THE STATUS COLUMN IN SECOND TABLE.
CAN SOMEBODY HELP IN WRITING THAT TRIGGER..?
HOW CAN I DETERMINE WAETHER THE RECORD IS BEEN INSERTED OR UPDATED OR DELETED.
DO I HAVE TO WRITE A SEPERATE TRIGGER FOR EACH ACTIVITY..OR I CAN WRITE IT IN THE
SINGLE TRIGGER..?
PLEASE SUGGEST ME..ITS URGENT.
THANKS IN ADVANCE
HARISH
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Jan 6, 2006
I am having problems with a trigger that is designed to audit changes to a particular field in a table. If that field is updated, then the old record is inserted into an audit table.
This trigger never fails when I run test data against it from Query Analyzer. It works some of the time when the web application updates it, fails other times.
Typically, multiple records are updated at the same time. Any ideas?
Here is the Trigger:
create trigger t_u_product_rate_detail
on product_rate_detail
for insert, update, delete
as
/--Local variable
declare
@auditdate datetime,
@audituser sysname
--Set values so function isn't executed a bunch of times
select
@auditdate = getdate(),
@audituser = suser_sname()
if exists (select * from inserted)
begin
if exists (select * from deleted)
begin
insert into product_rate_detail_audit_log
select d.product_rate_detail_id,
d.product_rate_id,
d.day_of_week_id,
d.ad_size_id,
d.rate,
d.plan_vol,
d.plan_freq,
@auditdate, @audituser, 'U'
from deleted d
join inserted i on i.product_rate_detail_id = d.product_Rate_detail_id
where (d.rate <> 0 and d.rate is not null)
and i.rate <> d.rate -- this determines if the rate has changed.
end
end
GO
SET QUOTED_IDENTIFIER OFF
GO
SET ANSI_NULLS ON
GO
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Dec 2, 2014
I have to create a trigger that will log who changed information on a table and when (NOT what they have changed).
My idea is to get the users name and see if it is in a table if not create it and get the associated ID, also get the ID of table that was accessed along with the ID of the type of task that was performed. Take this data and insert it into a table.
Here is the SQL I have so far.
-- Primary Database Tables --
CREATE TABLE Physician (
Physician_ID int not null identity(1,1) primary key,
First_Name varchar(100),
Last_Name varchar(100),
Mobile_Number varchar(15),
Pager_Number varchar(15)
[code].....
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Mar 26, 2008
Can anybody help me in writing a SQl trigger to delete a record when inserted after 70 seconds.?
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Aug 14, 2007
Hello, everybody
I have a question about trigger.
I have a table called "Users", it has a ID (auto increment), UserName, FirstName...ect.
The question is if one row is deleted, I want to put this row into "Users_Histroy" Table whose structure is the same as "Users" Table and then delete this row in "Users" Table..
How can I achieve this? I am pretty new about triggers.
Thank you very much.
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Apr 18, 2008
I have 3 tables...TableA, TableB, TableC TableA - Personal InformationPersonalInfoId (Primary) , First Name,Last NameTableB - Personal Information To Department IDReferenceID, FKPersonalInfoId, FKDepartmentIdTableC - DepartmentDepartmentId, DepartmentNameI am coding Asp.Net VB using VWD express with Sql Server Express. I know how to create a stored procedure to delete, insert and even update a record in TableA, TableB, TableC respectively.If I need to delete a record in TableC, which has a related record in TableB, I have read that I need to use a Trigger. I never have used a Trigger and it is new to me. Can someone point me a way on how to use one in this case of my deleting scenario. Pretty much, if a user clicks on a delete button, and deletes a record in my TableC, I dont want a FKDpartmentId in my TableB that doesnt exist anymore because it was deleted in TableC or prevent a user from deleting that record till the relationship in TableB is no longer valid. In the same vain, If I have a input form which ask the user to enter their First Name and Last Name and Department, i would like to add those records in TableA for First and Last Name, TableB for the Department. Once again, how do I create a Trigger that if I insert a record in Table A to also insert the information for Department in Table B, if its successful in my stored procedure. Hope that made sense.Thanks.
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Apr 11, 2008
How to create trigger to stop the delete , updation and insert in the table of database ....
How can i stopped .......................I want to apply on whole table of database
Pls help me out.
Yaman
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Sep 11, 2015
I have some simple files but they are failing because the delete history task is failing as it is looking for files in a non existent directory.
It is looking for files in C:Program FilesMicrosoft SQL ServerMSSQL10_50.INSTANCEMSSQLLog whereas it should be looking in C:Program FilesMicrosoft SQL ServerMSSQL10_50.MSSQLSERVERMSSQLLog
how I can get this corrected so I can get the Maintenance Plans to run correctly.
I have tried deleting and recreating the Plan but to no avail
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Jan 2, 2007
i am creating an insert based on a select statement -- i need to delete the row from the select statment table after it has been inserted
something like
insert into table_insert(value1, value2)
(select table_exclude_id, value1, value2 from table exclude)
delete from table_exclude where table_exclude_id in "the select statement"
can you do this?
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Feb 1, 2007
Hi,
I have an c# windows service, which is running on the same machine where my mssql server is installed. This service must be informed for each insert/update/delete event on one specific table.
My idea was to create an CLR Trigger for this table which can communicate with this service via .NET remoting. But the problem is, that the system.runtime.remoting assembly is not integrated within the mssql clr enviroment => i can't use remoting.
Are there any other idea's how can i solve this?
Best regards,
Thomas
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Nov 15, 2007
Hello,
I have a trigger on a table named Store. The trigger updates the longitude and latitude on store based on the zip. Simple right? Well, I'm trying to import data and of course the trigger is not updating the data as triggers are not on a row by row basis with multi row inserts.
Here is the error message I'm receiving:
Msg 512, Level 16, State 1, Procedure SetLongLat, Line 17
Subquery returned more than 1 value. This is not permitted when the subquery follows =, !=, <, <= , >, >= or when the subquery is used as an expression.
How would one go about resolving this issue? I've includes my snippets below:
Trigger:
Code Block
ALTER TRIGGER [dbo].[SetLongLat]
ON [dbo].[Store]
FOR INSERT, UPDATE
AS
BEGIN
SET NOCOUNT ON;
DECLARE @Long float
DECLARE @Lat float
SELECT @Long = LONGITUDE, @Lat = LATITUDE
FROM Zipcode..ZipcodeLite
WHERE ZIP_CODE = (SELECT Zip FROM Inserted)
UPDATE Store SET Longitude = @Long, Latitude = @Lat
FROM Store INNER JOIN Inserted ON Store.Id = Inserted.Id
IF UPDATE(Zip)
BEGIN
UPDATE Store SET Longitude = @Long, Latitude = @Lat
FROM Store INNER JOIN Inserted ON Store.Id = Inserted.Id
END
END
Thanks for your help!
Nathan
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Mar 26, 2008
Hi AllgI have problem in using the SQLDataSource. When in VS 2005 I drag and drop the SQLDataSource onto my page and then add a GridView control.I bind the GridView control to the SQLDataSource control. But the problem is it does not generate the INSERT, UPDATE, and DELETE statements. The dialog box is inactive. The screenshots may help. please help me in this regard. I also tried it for Accesscontrol but the same problem. Sorry for my poor English!. thanks in advancehttp://img205.imagevenue.com/img.php?image=27550_1_122_203lo.JPGhttp://img139.a.com/img.php?image=28285_2_122_937lo.JPG
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Mar 22, 2006
I have two tables:tb_news---story_id-productlisttb_lookup---story_id-productwhen an insert command is run on tb_news, productlist field ispopulated with a value such as 'abc, def, de'when this happens, i need tb_lookup to be populated with seperaterecords for each product in productlist and the story_id from tb_news.Example:INSERT INTO tb_news (story_id, product_list)VALUES (12345, 'abc, def, de')Results:tb_news--12345, 'abc, def, de'tb_lookup--12345, 'abc'12345, 'def'12345, 'de'Ideally, I would like this to use recursion and give me tha ability tochange the delimiter at any time (might not always be a comma). someproducts may have a period in them. number of products is unknown andmight be 0 (field may be empty or NULL).
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Feb 1, 2008
Hi,
When a record is to be inserted, how can I check whether the insert is succeeded or not?
CREATE TRIGGER MY_TRIGGER ON MyTable AFTER INSERT
AS
DECLARE @id INT
DECLARE @name NVARCHAR(50)
SELECT @id=id,@name=name FROM INSERTED
BEGIN
INSERT INTO MySubTable(id,name) VALUES(@id,@name)
-- if failed, rollback
END
GO
GO
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Jul 17, 2015
We are using MS SQL Server 2008. I am running a batch job which deletes 21 days older records(6-7 million records). But daily we have transaction is going on in the database. When the delete occurs, all the insert statements got blocked and waits till the delete statement to complete. May I know why the blocking occurs?
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Jul 20, 2005
Have gone through BOL and Google, but can't find the answer... please helpwith a simple Q. I'm trying to create a simple cascade delete trigger in SQLServer 7 where deleting "parent" records in table X delete correspondingchild records in table Y.Table X=========X_IDSOME_VALTable Y=========Y_IDX_IDSOME_VALWhen there is no relationship between X.X_ID and Y.X_ID, the followingtrigger works fine:CREATE TRIGGER "temp" ON xFOR DELETEASdeletefrom ywhere x_id in (select x_id from deleted)However, when a relationship is created to enforce referential integrity,the trigger fails, with a "DELETE statement conflicted with COLUMN REFERENCEconstraint" error. I've seen examples where the trigger says (for example)"AFTER INSERT", where presumably the code is specifically run after theevent that triggers it -- is there a way of forcing the trigger to runbefore the delete from table X is executed? I've tried using "BEFOREDELETE", but no dice :-Thanks!--Aidan Whitehall <aidanwhitehall@fairbanks.co.uk>Macromedia ColdFusion DeveloperFairbanks Environmental Ltd +44 (0)1695 51775
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Oct 18, 2000
hello:
This is a question about The MS SQL Server 7.0 table trigger for delete.
In a "delete" SQL statement , no matter how many rows are effected,
the table trigger for delete just only fire one time. I don't think
this is properly. Is this the MS SQL Sever behavior?
I've studied the MS SQL server books online, but I can't find any information like "for each row" in Oracle.
Could you please help me? Thanks a lot.
Stacy Chou
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May 31, 2006
Hi,
I simply need a trigger to delete some datasets from a view but have some trouble writing an adequate trigger. Here is my attempt:
Use myDB;
Go
CREATE TRIGGER IO_Trig_Del_myView ON myView
INSTEAD OF Delete
AS
BEGIN
SET NOCOUNT ON
-- Check for dataset, if present delete.
IF (EXISTS (SELECT Z.[myPk]
FROM myTable t, deleted
WHERE t.[myPk] = deleted.[myPk]))
Delete From myTable
Where myTable.[myPk] = deleted.[myPk]...
This causes the following failure:
Msg 4104, Level 16, State 1, Procedure IO_Trig_Del_myView, Line 11
The multi-part identifier "deleted.myPK" could not be bound.
Can somebody explain the reason to me? myPk is part of the View I created. Since I do have three tables in myView so I get that message three times, once per table.
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Nov 13, 2006
I am having great difficulty with cascading deletes, delete triggers and referential integrity.
The database is in First Normal Form.
I have some tables that are child tables with two foreign keyes to two different parent tables, for example:
Table A
/
Table B Table C
/
Table D
So if I try to turn on cascading deletes for A/B, A/C, B/D and C/D relationships, I get an error that I cannot have cascading delete because it would create multiple cascade paths. I do understand why this is happening. If I delete a row in Table A, I want it to delete child rows in Table B and table C, and then child rows in table D as well. But if I delete a row in Table C, I want it to delete child rows in Table D, and if I delete a row in Table B, I want it to also delete child rows in Table D.
SQL sees this as cyclical, because if I delete a row in table A, both table B and table C would try to delete their child rows in table D.
Ok, so I thought, no biggie, I'll just use delete triggers. So I created delete triggers that will delete child rows in table B and table C when deleting a row in table A. Then I created triggers in both Table B and Table C that would delete child rows in Table D.
When I try to delete a row in table A, B or C, I get the error "Delete Statement Conflicted with COLUMN REFERENCE". This does not make sense to me, can anyone explain? I have a trigger in place that should be deleting the child rows before it attempts to delete the parent row...isn't that the whole point of delete triggers?????
This is an example of my delete trigger:
CREATE TRIGGER [DeleteA] ON A
FOR DELETE
AS
Delete from B where MeetingID = ID;
Delete from C where MeetingID = ID;
And then Table B and C both have delete triggers to delete child rows in table D. But it never gets to that point, none of the triggers execute because the above error happens first.
So if I then go into the relationships, and deselect the option for "Enforce relationship for INSERTs and UPDATEs" these triggers all work just fine. Only problem is that now I have no referential integrity and I can simply create unrestrained child rows that do not reference actual foreign keys in the parent table.
So the question is, how do I maintain referential integrity and also have the database delete child rows, keeping in mind that the cascading deletes will not work because of the multiple cascade paths (which are certainly required).
Hope this makes sense...
Thanks,
Josh
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Mar 12, 2015
I'm not even sure this is possible but I'm using MERGE in a process that has 3 source tables (the process steps through each source table sequentially) and I need to delete from the Target database occasionally.
My current code is
sqlMerge = "MERGE " + TableName + " AS target USING @CData AS source" +
" ON target.TotRsp = source.TotRsp AND target.ClientRef = source.ClientRef AND target.dbPatID = source.dbPatID" +
" WHEN MATCHED THEN" +
" UPDATE SET dbPatFirstName = source.dbPatFirstName, dbPatLastName = source.dbPatLastName,
[Code] ....
The Target db data is made up from several different clients and when the MERGE runs it uses TotRsp, ClientRef and dbPatID to uniquely match a source row to the target row and if no match it inserts the source row.
My problem is that when this runs with Source A first, it will delete all merged data from Source B & C. Then when Source B runs it will insert all Source B data but delete all from A & C and so on.
Is there way that that I can include additional clauses into NOT MATCHED BY SOURCE THEN so it knows only to delete when data has come from say Source A. Once the data is in the target table there is no reference to which source table it came from tho.
If there isn't a solution I suppose I could always add an extra column to the target db to indicate which source it came from and then have something like
NOT MATCHED BY SOURCE AND t.Source = 'SourceA'.
That's quite a bit of work my end to do that tho so I'd like to be sure it works.
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Jul 27, 2015
Can I safely use top n select/delete in a while loop? For example:
declare @FieldVal int
while (select count(*) from @MyTempTable) > 0
begin
select top 1 @FieldVal = FieldVal from @MyTempTable
-- process @FieldVal then delete the row
delete top 1 from @MyTempTable
end
I like the simplicity of the above approach as long as it's reliable and there aren't any gotchas that I may not be aware of.
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Mar 11, 2015
I have a view made up of a few base tables and another view. I have created an INSTEAD OF trigger on this view, but it doesn't seem to fire whenever a new record shows in the view. The purpose of the trigger is to insert a sister record in a table whenever a new record shown in the view. Here's the catch, the table that the trigger is supposed to insert into is not a base table within the view and the view is not an updatable view. My question is... Do INSTEAD OF triggers only affect the base table(s) within the view and does the view itself have to be an updatable view?
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Apr 22, 2015
I am using a SQL Server Agent jobs that run each morning to update the records in a table to match what they should be for that day. I built them and tested it using a test table called "testtable1". It worked fine. But when I switched over to our production table, it fails saying the table has to be decaled. What would be the difference. The production table has a "@" in front of the name, is that causing issues?
USE [Live_build]
GO
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO
BEGIN
DELETE
FROM @ZIPLIST
INSERT INTO @ZIPLIST
SELECT * FROM tblZip3DSWed;
END
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Jul 31, 2015
Is there is 'fairly' simple query to delete duplicate rows from ANY table ?
A script which removes duplicates from a table, when a table_name is supplied.
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