SQL Server 2012 :: Trigger For Update Action Without Primary Key
Jun 18, 2015
I am writing a trigger for getting values to auditlog table when the values gets updated. Below is the code of my trigger.
CREATE TRIGGER [dbo].[Update_Temp] ON [dbo].[Temptable1] FOR UPDATE
AS
DECLARE @bit INT ,
@field INT ,
@maxfield INT ,
@char INT ,
@fieldname VARCHAR(128) ,
@TableName VARCHAR(128) ,
[Code] ....
The code is working fine when the table has primary key associated. However due to some restrictions I will not be able to have a primary key for some tables. I want to implement the same trigger in those tables too. When there is primary key, that primary key needs to get inserted into the audit table and if there is no primary key, i want a specific column value to get inserted instead of the primary key value into the audit table.
For example, i have a student table in which there is a student id, name, dob. there is no primary key defined for the table. So when i update the name or dob, i need the student id to get inserted into the Pk column of the audit table.
I tried modifying the code by checking the @pkcols for Null and if its null to get the old value as the primary key however I was not able to do it .
I have a trigger that executes AFTER INSERT, UPDATE, DELETE. Is there a way to disable and then reenable only the "AFTER DELETE", letting AFTER INSERT, UPDATE act normally?
I need to search for such SPs in my database in which the queries for update a table contains where clause which uses non primary key while updating rows in table.
If employee table have empId as primary key and an Update query is using empName in where clause to update employee record then such SP should be listed. so there would be hundreds of tables with their primary key and thousands of SPs in a database. How can I find them where the "where" clause is using some other column than its primary key.
If there is any other hint or query to identify such queries that lock tables, I only found the above few queries that are not using primary key in where clause.
We have an UPDATE trigger that is failing. This seems like a basic task - we want to write a record to a separate tracking table when our main transaction table is updated for any reason. Our assumption is that we have a reference to the data from the "inserted" record that was just updated. The scenario here is that we are running a batch process which READS several thousand records in our transaction table each evening.
We then mark each individual record as processed on the transaction table and expect that the UPDATE trigger will successfully fire (it is not). The version of our trigger listed below shows our attempt to deal with the fact that TransactionID does NOT exist from "inserted." We also have a version of this trigger that deals with INSERTS - it works flawlessly.
ON [dbo].[FPS_Transaction] AFTER UPDATE AS declare @trxId uniqueidentifier; BEGIN TRY SET NOCOUNT ON
How to create a row number for a consecutive action. Example: I have a listing of people who have either completed a goal or not. I need to count by person the number of consecutively missed goals.
My sql table is this: PersonId, GoalDate, GoalStatus (holds completed or missed)
My first thought was to use the rownumber function however that doesn’t work because someone could complete a goal, miss a goal, then complete one and when they complete a goal after a missed goal the count has to start over.
Hello Is it possible to create a trigger with multiple actions? I would like to create a trigger with INSERT, DELETE, UPDATE funtions but I have not been above to find a clear syntax example Below I have created a statement of my trigger. Could somebody please confirm if the syntac in this multiple action trigger is ok.multple actions on a single trigger Is this syntax correct? CREATE TRIGGER [dbo].[trig_AddDomCatA] ON DomainNames For INSERT, DELETE, UPDATE AS INSERT INTO Domain_CatA (DomainName)SELECT DomainName FROM INSERTED ASDELETE FROM Domain_CatA (DomainName)SELECT DomainName FROM DELETED ASUPDATE INTO Domain_CatA (DomainName)SELECT DomainName FROM UPDATED Thanks Lynn
If I have a trigger for INSERT and DELETE, how do I know what action was executed ?? I prefer not to split the trigger to one for each action, because the the procedure for both is almost the same.
Another question, How can I know what records were updated? I need to concatenate the ID/ID's to the SQL in the procedure.
I need to define a TRIGGER on a table (temp1) that executes the triggered action for each row of the subject table(temp1) that the triggering SQL modifies. If the triggering SQL operation does not modify any rows, the triggered action is not executed.E.g., If SQL modifies 100 rows, trigger executes 100 times. How can i achieve this type of Trigger in SQL Server .In DB2 i can acheive this by specifying 'FOR EACH ROW' clauseKindly suggest me
Hi all, i've created a trigger that fires 'INSTEAD OF INSERT, UPDATE, DELETE'.
It work's fine but need to know how i can know when was fired by insert,delete or update event so i can decide the actions to take without creating an individual trigger for each sentence.
I have a database with 10 tables, and I need one trigger to each table that for insert, update and delete, get the registry that is been modified and insert these data in another table...
I have a After insert, update trigger. When I update multiple records with unique constraints column in it update fails. But if this a single record update it works.
Can a Primary Key column also be a Identity column? The reason I am asking this question is because I have created a table and each time I insert data into the Address Table I am also inserting the AddressID, how do I get the Primary Key (AddressID column) to self generate ID values.
a while back i had to do a project with an access database, one of the biggest problems i had back then was gettting the primary key of a datarow you had just inserted into the database.
After a long set of trial and error i came up with the following:
- add the tablemappings of a table - call the dataadapte.fillschema method
then after inserting a new row into the database the primary key gets filled in automatically!
now thing is
i was hoping to duplicate this in sql server
but it doesn't seem to work at all
so after i insert a row into my datatable and update it the row is in the database but in vb the datarow primary key is not filled in! anyone have an idea?
prefereabely one that does not resort to stored procedures with return parameters etc
I've following query which display the result as required, but I need to get the missing Primary Key Values which are not available in the result:
SELECTA.SignedByUserID, B.FullName, COUNT(A.OutletID) AS TotalSignups, DATENAME(Month, A.SignupDate) AS Month FROMdbo.tblMer_Outlet AS A LEFT OUTER JOIN dbo.tblGen_Users AS B ON A.SignedByUserID = B.UserID WHERE(A.SignupDate >= '2014-04-01 00:00:00' AND A.SignupDate <= '2014-04-30 23:59:59') GROUP BY A.SignedByUserID, B.FullName, DATENAME(Month, A.SignupDate)
This Query returns the following result:
SignedByUserID FullName TotalSignups Month -------------------------------------------------------- 9 Babu Raj 16 April 11 Faheem 19 April 39 Fasil Abbas 16 April 29 Hafiz Suleman 10 April
[code]....
which does not have a signup for the month of April, but I need it to be available for this or any upcoming month. I need this orr all users, which does not exists in the context needs to be displayed in the result.
Discuss the following sql query with respect to performance in an applicaiton involving more number of concurrent users creating and deleting records. The objective is to create continuous primary key integer values.
Table name: SitePage
Column DataType --------- -----------
PageID BigINT PageName nchar(10)
Query to insert new record
DECLARE @intFlag INT SET @intFlag = 0 WHILE (@intFlag =0) BEGIN BEGIN TRY
[Code] ....
We don't want to use auto increment integer value for primary key because of the following reason
[URL] .....
We also don't want to use SEQUENCE as we have to create 50 sequence for 50 tables
I've two tables A, B. In A table, I need to define the primary key with combination of 2 columns and this Primary Key will be a foreign key in table B. Based on these PK and FK I'll be writing a join to get the second column in table B.
In a special request run, I need to update locker and lock tables in a sql server 2012 database, I have the following 2 table definitiions:
CREATE TABLE [dbo].[Locker]( [lockerID] [int] IDENTITY(1,1) NOT NULL, [schoolID] [int] NOT NULL, [number] [varchar](10) NOT NULL, [lockID] [int] NULL CONSTRAINT [PK_Locker] PRIMARY KEY NONCLUSTERED
[code]....
The locker table is the main table and the lock table is the secondary table. I need to add 500 new locker numbers that the user has given to me to place in the locker table and is uniquely defined by LockerID. I also need to add 500 new rows to the corresponding lock table that is uniquely defined in the lock table and identified by the lockid.
Since lockid is a key value in the lock table and is uniquely defined in the locker table, I would like to know how to update the lock table with the 500 new rows. I would then like to take value of lockid (from lock table for the 500 new rows that were created) and uniquely place those 500 lockids uniquely into the 500 rows that were created for the lock table.
I have sql that looks like the following so far:
declare @SchoolID int = 999 insert into test.dbo.Locker ( [schoolID], [number]) select distinct LKR.schoolID, A.lockerNumber FROM [InputTable] A JOIN test.dbo.School SCH ON A.schoolnumber = SCH.type and A.schoolnumber = @SchoolNumber JOIN test.dbo.Locker LKR ON SCH.schoolID = LKR.schoolID AND A.lockerNumber not in (select number from test.dbo.Locker where schoolID = @SchoolID) order by LKR.schoolID, A.lockerNumber
I am not certain how to complete the rest of the task of placing lockerid uniquely into lock and locker tables?
Secondary server is offline due to a hardware issue and the log files are growing on Primary sever for availability databases. The log drive is running out of space. How can I stop the log growth for the primary databases?
y'day we faced situation one of the primary server went down and unable to failover the services to second node . by checking in logs we found
Cluster network 'Public' is partitioned. Some attached failover cluster nodes cannot communicate with each other over the network. The failover cluster was not able to determine the location of the failure. Run the Validate a Configuration wizard to check your network configuration. If the condition persists, check for hardware or software errors related to the network adapter. Also check for failures in any other network components to which the node is connected such as hubs, switches, or bridges.
In my environment always on is there. Today I observed that primary server fail over to secondary server .now the secondary server acting as primary role.
Can I know when is fail over is happened and who did the fail over. Is there any script to find this?
Hi Iam trying to do a trigger that everytime I Update a record de date get update too I finally find a trigger close to that, but this trigger update all the dates from all the record of the same table I wonder is there are a way that I can do it by the date of the record, if somebody could help I will really appreciate.
Thi is the trigger that I have so far
Create Trigger Update_Date on DBO.Company After Update as Update dbo.Company Set ActualiizationDate=Getdate() go
Hi for all on this...I'm using MS SQL Server 7.0 SP4 in some customers to store some datafrom an aplication developed by me.I created an trigger to run on update.When I run an update command on it's table and the where conditionreturns only one row, the trigger is executed ok, but if wherecondition returns more than one rows, the trigger don't run.I don't know what happens there...If any can help on this, I will be thankfull!Regards!Lucio
I have 2 database servers ( 2 hardware-servers : A and B ) and I ve written a trigger for update in server A to execute insert statement in server B through linked servers, is there other way to achieve this without linked servers?? All using T-SQL.
I have a trigger for column eISBNEnteredDate on update or insert changes of eISBN of the table Products2 ( both belong to the same table). The column eISBNEnteredDate can either be added manually along with eISBN value or when only eISBN value is entered it is updated with present date.
The problem I am facing is when I send eISBN along with eISBNEnteredDate the present date is what is getting saved. Upon the same record when a new date is updated the new date is getting saved. Can someone tell me where I am going wrong?
Here is my trigger:
Code Block ALTER TRIGGER [dbo].[Products2_eISBNEnteredDate] ON [dbo].[Products2] For Insert, Update As Begin Declare @ProductId int Declare @eISBN Varchar(17) Set @eISBN = '0' If ( Update(eISBN) ) Begin Select @Productid = I.Productid,@eISBN = I.eISBN From Inserted I Left Join Deleted d on I.Productid = D.Productid Left join Products2 P on P.Productid = I.Productid Where (ISNULL(I.eISBN,'') <> ISNULL(D.eISBN,''))
If (IsNull(@eISBN,'') <> '' and IsNull(@eISBN,'') <> '0') Begin Update Products2 Set eISBNEnteredDate = getdate() Where ProductID in (select i.ProductID From Inserted i Left join Deleted d on d.ProductID = i.ProductID Where (i.eISBN is not null or replace(i.eISBN,' ','') != '') --where the new eISBN is not null or blank and (d.eISBN is null or replace(d.eISBN,' ','') = '') --where the old eISBN is null or blank and isnull(i.eISBN,'') != isnull(d.eISBN,'') --where the new eISBN is not equal to the old ISBN13 and d.eISBNEnteredDate is null) End If IsNull(@eISBN,'') = '' and IsNull(@eISBN,'') = '' Begin Update Products2 set eISBNEnteredDate = NULL Where ProductID = @Productid End End End
THe Scenario is We have Tables like parent and Child Table.
Like we have Child Table as Name AcademyContacts,In that we have Columns like
Guid(PK)Not Null,
AcademyId(FK), Not Null,
Name,Null
WorkPhone,Null
CellPhone,Null
Email Id,Null
Other.Null
Since we have given Null to ''Workphone'',''Cellphone '', ''Email ID''.when inserting the data into these table if the particular columns are empty while inserting also the data will get populate into the table.And I need is if these columns are ''Workphone'',''Cellphone'' , ''Email ID'' they cant insert the data into table.Like it must trigger like ''Please enter atleast one of these ''Workphone'',''Cellphone'' , ''Email ID'' columns.
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'
Dear Experts,I'm an Oracle guy, who is being given more SQL Server assignmentslately.I've been looking for things on the web about this, but I can'tanything so far.In Oracle, I you can create a trigger on a table that -only- fires ifcertain fields are updated.create or replace trigger trg_some_triggerBEFORE insertOF some_field1, some_field2on tbl_some_tablefor each row....Is this also possible in SQL Server?What is the syntax please?Thanks a lot!
Hi there,I'm pretty new to SQL and am having some porblems with a linked server.I have a table on a SQL server which stores employee information.I also have a view on a linked server which stores the same information.What I would like to happen is, whenever the view changes on the linkedserver I want the information to be changed in the table on my server.I've been trying to write a trigger to do this, but have had noluck so far.Can anyone help me?ThanksSimon--Posted via http://dbforums.com
We have a database on a 2005 box, which we need to keep in sync with one on a 2014 box (until we can turn off the one on 2005). The 2005 database is still being updated with changes that must be applied to the 2014 database, given the nature of the data (medical documents) we need to ensure updates are applied to the 2014 database in very near real time (these changes are - for example - statuses, not the documents themselves).
Cunning plan #1, ulgy - not at all a fan of triggers - but use an after update trigger to run a sp on the remote box via a linked server in this format, with a SQL Server login for the linked server with permissions to EXEC the remote proc.
CREATE TRIGGER [dbo].[SourceUpdate] ON [dbo].[SourceTable] AFTER UPDATE AS SET XACT_ABORT ON; SET NOCOUNT ON; IF UPDATE(ColumnName)
[Code] ....
However, while the sp can be run against the linked server as a standalone query OK, when running it in a trigger it's throwing
OLE DB provider "SQLNCLI" for linked server "WIBBLE" returned message "The transaction manager has disabled its support for remote/network transactions.".
Msg 7391, Level 16, State 2, Procedure TheAfterUpdateTrigger, Line 19
The operation could not be performed because OLE DB provider "SQLNCLI" for linked server "WIBBLE" was unable to begin a distributed transaction.
Whether it actually possible to call a proc on a remote box via a trigger and if so what additional hoops need to be jumped through (like I said, it'll run OK called via SSMS)?
