Identity Column As Foreign Key In Bulk Update
Apr 17, 2007
We need to import data from flat/xml files into our database.
we plan to do so in bulk as amount of data is huge, 2GB+
we need to do some validation checks in our code after that we create insert queries.
We have identity columns that are used as foreign keys in child tables. Question is how can I write a bulk/batch insert statement that will propogate the identity column to the child, as for all other we are creating the query in the application memory.
there are 2 parent tables and 1st table value needs to be referred to in 7 tables and second table's value in 6.
Thanks much for your help.
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Apr 18, 2008
Hello,
I'm just learning SSIS and I've hit my first bump. I am doing a bulk import from a tab delimited text file to an empty sql table that has a Idendity column defined. How do I tell the bulk insert task to skip that column when inserting from the text file. If I remove the identity column it imports the data fine, but I want to create the indentity column in the table too.
Thanks.
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Jul 13, 1999
I'm having difficulty bulk-copying a data file, using a format file, into a SQLServer 6.5 table with an identity column.
The data file is tab-delimited, and does not include the identity column (I want it to be automatically generated).
When I execute the following:
bcp DB1.dbo.WORK_TABLE in WorkTable.txt -Usa -P -fWorkTable.fmt -SSERVERX'
I receive this message:
Starting copy...
BCP copy in failed
I've had no problems loading a similar table without the identity column.
Can anybody help? Here is the table definition & bcp format:
CREATE TABLE WORK_TABLE
(
PersonID int NOT NULL IDENTITY (1,1)
,FirstName char(25) NULL
,MiddleName char(25) NULL
,LastName char(25) NULL
,Company char(50) NULL
,City char(25) NULL
,State char(2) NULL
,Phone char(25) NULL
)
-----
6.0
8
1 SQLCHAR 0 0 "" 1 PersonID
2 SQLCHAR 0 25 "" 2 FirstName
3 SQLCHAR 0 25 "" 3 MiddleName
4 SQLCHAR 0 25 "" 4 LastName
5 SQLCHAR 0 50 "" 5 Company
6 SQLCHAR 0 25 "" 6 City
7 SQLCHAR 0 2 "" 7 State
8 SQLCHAR 0 25 "
" 8 Phone
-----
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Sep 2, 2006
I have a file I'm trying to do some non-set-based processing with. Inorder to make sure I keep the order of the results, I want to BULKINSERT into a temp table with an identity column. The spec says thatyou should be able to use either KEEPIDENTITY or KEEPNULLS, but I can'tget it to work. For once, I have full code - just add any file of yourchoice that doesn't have commas/tabs. :)Any suggestions, folks?--create table ##Holding_Tank ( full_record varchar(500)) -- thisworkscreate table ##Holding_Tank (id int identity(1,1) primary key,full_record varchar(500)) --that doesn't workBULK INSERT ##Holding_TankFROM "d: elnet_scriptspsaxresult.txt"WITH(TABLOCK,KEEPIDENTITY,KEEPNULLS,MAXERRORS = 0)select * from ##Holding_tank
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Jan 25, 2015
I have table of three column first column is an ID column. However at creation of the table i have not set this column to auto increment. Then i have copied 50 rows in another table to this table then set the ID column values to zero.
Now I have changed the ID column to auto increment seed=1 increment=1 but the problem is i couldn't figure out how to update this ID column with zero value set to each row with this auto increment values so the ID column would have values from 1-50. Is there a away to do this?
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Feb 5, 2001
hi,
i got a little problem. when i insert values into a table a trigger is launched wich updates something in the table too.
CREATE TRIGGER T1 ON Tbl
FOR INSERT AS
BEGIN
IF (UPPER(USER) <> 'CONVERSIE')
BEGIN
UPDATE Tbl SET
Datum = GetDate(),
User = USER,
WHERE Tbl.ID= (SELECT ID FROM inserted)
END
END
the error i receive is this: 'can not update identity column id' (id being pk).
does anyone know how to deal with this?
tnx,
erik.
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Dec 24, 2007
Hello,
I have a frustrating problem occuring in Sql 2005. We have the need
in a few client upgrade situations to update the indentity column of a common
resource table. It is populated each release with common records and the
keys got out of sync for two releases due to developer error.
In Oracle this is not a problem. In SQL we get the message "Cannot
update identity column 'mycolumn'". To get around this in SQL 2000 we
updated the table by running the following.
exec sp_configure 'allow update', 1
go
reconfigure with override
go
update syscolumns set colstat = colstat - 1
where id = object_id(Event')
and name = 'EventKey'
go
exec sp_configure 'allow update', 0
go
reconfigure with override
go
In SQL 2005 this gives us the error
'Ad hoc updates to system catalogs are not allowed'.
Now I understand the need to keep people out of the system tables.
However, can I have some sort of solution to this problem. I'm running a
bunch of ad hoc queries to update the values and I don't want to create an
exact duplicate of the table and copy over the information with the changes.
It is much easier to run a simple update.
Please advise...
Thanks,
Russ
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Dec 4, 2003
I set up replication on my DB between two server. The Publisher will not update tables on the Subscriber that use an identity column and I get an error "8102:cannot update identity column". I have looked around and can't seem to locate any solid fixes. If I remove the identity column from the subscribers tables the package works, but I am not able to use the DB on the subscriber because I need the Identity columns for my app to function properly. My Publisher and Subscriber are both running SQL Server 2000 Standard Edition SP3.
Thanks.
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Mar 1, 2004
Hi,
I'd set up Transactional Replication btw 2 servers running on MSSQL 2000.
However, from time to time, I encounter Error 8102. I try to reinitialise the subscription but failed. After I delete the current subscription and PUSH a new one, it will works fine again.
I'm curious why this is happening as I'd already set all the tables (articles) in the subscriber to "YES, not_for_replication".
Any idea?
Thanks.
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Jun 1, 2015
By mistake i deleted a record form prod table.
how can i enter that record back? i get this error.
INSERT INTO item_details(ItemID,Item_Name,price) VALUES(201, bag,10)
ItemID is  identity column. can i disable  identity column and enter and then enable using sql statement?
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Sep 9, 2015
My current proc updates(updates using joins of two or three tables) millions of records as per the condition provided for each department.
However, when the proc fails it writes to a ErrorTable, ERROR_MESSAGE(), ERROR_SEVERITY() and which department has failed.
Since the records are updated keeping the selected departments in loop, I get the department in a temp variable.
Now, I was asked to log the specific record where the failure was occured.
Something like log the identity column value or primary key value which record has failed.
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Sep 9, 2015
My current proc updates(updates using joins of two or three tables) millions of records as per the condition provided for each department.
However, when the proc fails it writes to a ErrorTable, ERROR_MESSAGE(), ERROR_SEVERITY() and which department has failed.
Since the records are updated keeping the selected departments in loop, I get the department in a temp variable.Now, I was asked to log the specific record where the failure was occured.Something like log the identity column value or primary key value which record has failed.
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Jun 12, 2006
Hi,
I add new records to a table with ADO. The tables contain an auto-increment identity column. I want to retrieve the identity value after the insert operation. This works fine for SQL Server 2000. On SQL Server 2005 this only works if I use a table in the select statement. If I use a view in the select statement, ADO returns no value for the identity column, a trace with profiler shows that there is no Select @@IDENTITY statement.
What is the reason for this behavior?
How can I change this behavior in SQL 2005 so that the behavior is the same as in SQL Server 2000?
Best regards,
George
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Jun 19, 2008
Hi,
I am having problem in bulk update of a sql server table haning identity column from a datatable( has no identity column) using sqlbulkcopy. I tried several approaches, but it does not show any error nor is the table getting updated. But the identity value seems to getting increased every time.
thanks.
varun
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Jul 25, 2015
I have a four tables called plandescription, plandetail and analysisdetail. The table plandescription has the columns DetailQuestionID which is the primary and identity column and a QuestionDescription column.
The table plandetail consists of the column PlanDetailID which the primary and identity column, DetailQuestionID which is the foreign key attribute of plandescription table and a planID column.
The third table analysisdetail consists of a analysisID which the primary and identity column, PlanDetailID which is the foreign key attribute of plandetail table and a scenario.
Below is the schema of the three tables
I have a two web form that will insert, update and delete data into these three tables in a two transaction. One web form will perform CRUD operations in plandescription and plandetail table. When the user inserts QuestionDescription and planid in this web form, I will insert the QuestionDescription Value in the plandescription table and will generate a DetailQuestionID value and this value is fed to the plandetail table with the planid. Here I will generate a PlanDetailID.
Once this transaction is done, I will show the second web form in which the user enters the scenario and this will be mapped with the plandescription using the PlanDetailID.
This schema cannot be changes as this is the client requirement. When I insert values I don’t have any problem. However when I update existing data, I need to delete existing PlanDetailID in the plandetail table and recreate PlanDetailID data for that DetailQuestionID and planID. This is because, the user will be adding or deleting a planID associated with the QuestionDescription.
Once I recreate PlanDetailID for that DetailQuestionID and planID, I need to update the old PlanDetailID with the new PlanDetailID in the third table analysisdetail for the associated analysisID.
I created a #Temp table called #DetailTable to insert the values analysisID, planid and old PlanDetailID and new PlanDetailID so that I can have them in update statement once I delete the data from plandetail table for that PlanDetailID.
Then I deleted the plandetailid from the plandetail table and recreate PlanDetailID for that DetailQuestionID. During my recreation I fetched the new PlanDetailID’s created into another temp table called #InsertedRows
After this I am running a while loop to update the temp table #DetailTable with the newly created PlanDetailID for the appropriate planID’s. The problem is here. When I have the same number of planID’s for example 2 planID’s 1,2 I will have only two old PlanDetailID and new PlanDetailID for that planID and analysisID.But When I add a new PlanID or remove a existing planID I am getting null value for that newly added or deleted planID. This is affecting my update statement of analysisdetail table as PlanDetailID cannot be null.
I tried to remove the Null value from the #DetailTable by running the update statement of analysis detail in a while loop however its not working.
DECLARE @categoryid INT = 8
DECLARE @DetailQuestionID INT = 1380
/*------- I need the query to run for the below three data.
Here i'm updating my planids that already exists in my database*/
DECLARE @planids VARCHAR(MAX) = '2,4,5'
[code].....
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Sep 27, 2007
I have to update a field within a table of 60 records or so. Each record has a different field value. it's type varchar. i was given an excel file with the field values and was thinking of a bulk update like bulk insert, but i don't recall that it's possible that way.
Is the only way to create a table, bulk insert, then merge the two tables together with UPDATE?
Just wanted to see if there was an easier way to do it, otherwise i'll take the latter route. Thanks!
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Aug 2, 2004
I've posted this in the general database forum as well but think it is more sql server specific. I have three tables as below. My problem is that when I insert anything into has_quote, cat_ref and cust_id are both null. Any ideas on how to get round this? Thanks
Code:
CREATE TABLE Item (
cat_ref INT IDENTITY(1,1) PRIMARY KEY,
descrip VARCHAR(50),
date_added SMALLDATETIME,
cat_type VARCHAR(20),
contract VARCHAR(10),
cost_price SMALLMONEY,
supplier_name VARCHAR(20),
supplier_phone VARCHAR(20))
CREATE TABLE has_quote (
quote_id INT IDENTITY (1,1) PRIMARY KEY,
installation_charge SMALLMONEY,
date_of_quote SMALLDATETIME,
commercial_markup SMALLMONEY,
service_desk_contact VARCHAR(20),
category INTEGER,
date_last_pricecheck SMALLDATETIME,
cat_ref INT FOREIGN KEY
REFERENCES Item(cat_ref),
cust_id INT FOREIGN KEY
REFERENCES Customer(cust_id))
CREATE TABLE Customer (
first_name VARCHAR(10),
surname VARCHAR(10),
customer_phone VARCHAR(20),
contract VARCHAR(10),
location VARCHAR(20),
email VARCHAR(50),
cust_id INT IDENTITY (1,1) PRIMARY KEY)
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Nov 2, 2006
Hi all!
I'm just getting my feet wet with how encryption works in SQL 2005. With regards to the encryption of primary / foreign keys, I'm not entirely clear on the best approach. Below are three examples of typical table structures I currently have:
== Customers table ==
CustomerID (PK, int, Identity)
CustomerName (varchar)
== Orders table ==
OrderID (PK, int, Identity)
CustomerID (int, foreign key)
CreditCardNumber (varchar)
== OrderDetails table (1 to Many) ==
OrderID (PK/FK, int)
ItemNumber (PK, int)
ItemDescription (varchar)
The Customers and Orders tables use identity values as their primary keys. From what I can tell, CustomerID in the Customers table cannot be encrypted and OrderID in the Orders table cannot be encrypted because they are identity values. In these cases, would it be safer (in terms of security) to create a separate, meaningless identity key column in the Customers table and then remove the identity attribute from CustomerID so I can encrypt CustomerID?
Similarily in the OrderDetails table, OrderID and ItemNumber form a composite key. These values are important in that I don't want them to be tampered with. Am I better off creating a separate identity key column which becomes the table's primary key ... then encrypt both the OrderID and ItemNumber columns in this table?
Any ideas are appreciated.
Thank you,
Ben
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Aug 12, 2009
when i alter non identity column to identity column using this Query alter table testid alter column test int identity(1,1) then i got this error message Msg 156, Level 15, State 1, Line 3 Incorrect syntax near the keyword 'identity'.
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Apr 4, 2006
I know that TRUNCATE TABLE can be used to reset the identity counter, but it can't be used on a table referenced by a foreign key. Anybody knows how to do that? Thanks.
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Mar 23, 2006
i got some bulk insert tasks in SSIS inserting into some tables with identity set ON....
in 1 column. Can the bulk insert task go smoothly?
PS: i cannot find anywhere in the bulk insert task that can set the ignore identity columns...........
now my steps are prepare database -> create database -> bulk insert into tables
working on my previous problem, Jamie.
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Sep 19, 2005
Ok,I just need to know how to get the last record inserted by the highestIDENTITY number. Even if the computer was rebooted and it was twoweeks ago. (Does not have to do with the session).Any help is appreciated.Thanks,Trint
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Aug 1, 2014
I'm working with a third-party database (SQL Server 2005) and the problem here is the following:
- There are a bunch of ETL processes that needs to insert rows on a table (let's call this table T) and at the same time, an ERP (owner of T) is up and running (reading, updating and inserting on T).
- The PK of T is an Integer.
Today all ETL processes uses (select max(ID) + 1 from T) to insert new rows, so just picture the scenario. It is a mess! Everyday they get duplicate key error when 2 or more concurrent processes are trying to insert a row (with the max) at the same time.
Considering that I can't change the PK, what is the best approach to solve this problem?
To sum up:
* I need to have processes in parallel inserting on T
* I can't change anything on T
* The PK is NOT an Identity
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Apr 13, 1999
Hello to everyone:
Aside from using a trigger to automatically update a Foreign key,
is there a way you can automatically update a Foreign key when you
update its corresponding Primary key using the select statement?
Grigio
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Mar 3, 2008
Hi,
I have 2 tables Publication and Advertisment_Codes. I want to update the publication_code in both tables where country_id=1 and publication_code='A'. However, it gives me an error because of foreign key relationship. I tried first updating in Advertisment_Codes and then in Publication table but it didn't work. I tried the other way round but also it didn't work.
How can I update the publication code?
Thanks
CREATE TABLE [dbo].[Advertisment_Codes](
[Advertising_Code] [nvarchar](20) NOT NULL,
[Country_id] [int] NOT NULL CONSTRAINT [DF_Advertisment_Codes_Country_id] DEFAULT ((0)),
[Publication_code] [nvarchar](20) NULL,
[Advert_type] [nchar](1) NULL,
[Date_Entered] [datetime] NULL,
[User_Id_Ent] [int] NULL CONSTRAINT [DF_Advertisment_Codes_User_Id_Ent] DEFAULT ((0)),
[Date_Updated] [datetime] NULL,
[User_Id_Upd] [int] NULL CONSTRAINT [DF_Advertisment_Codes_User_Id_Upd] DEFAULT ((0)),
[Default_Code] [bit] NULL CONSTRAINT [DF_Advertisment_Codes_Default_Code] DEFAULT ((0)),
[Active] [bit] NULL CONSTRAINT [DF_Advertisment_Codes_Active] DEFAULT ((0)),
CONSTRAINT [PK_Advertisment_Codes_1] PRIMARY KEY CLUSTERED
(
[Advertising_Code] ASC,
[Country_id] ASC
)WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON) ON [PRIMARY]
) ON [PRIMARY]
GO
ALTER TABLE [dbo].[Advertisment_Codes] WITH CHECK ADD CONSTRAINT [FK_Advertisment_Codes_Countries] FOREIGN KEY([Country_id])
REFERENCES [dbo].[Countries] ([Country_id])
GO
ALTER TABLE [dbo].[Advertisment_Codes] CHECK CONSTRAINT [FK_Advertisment_Codes_Countries]
GO
ALTER TABLE [dbo].[Advertisment_Codes] WITH CHECK ADD CONSTRAINT [FK_Advertisment_Codes_Publications] FOREIGN KEY([Country_id], [Publication_code])
REFERENCES [dbo].[Publications] ([Country_id], [Publication_code])
GO
ALTER TABLE [dbo].[Advertisment_Codes] CHECK CONSTRAINT [FK_Advertisment_Codes_Publications]
CREATE TABLE [dbo].[Publications](
[Country_id] [int] NOT NULL,
[Publication_code] [nvarchar](20) NOT NULL,
[Publication_name] [nvarchar](50) NOT NULL,
[Media_type] [int] NOT NULL CONSTRAINT [DF_Puclications_Media_type] DEFAULT ((0)),
[Date_Entered] [datetime] NULL,
[User_Id_Ent] [int] NULL CONSTRAINT [DF_Publications_User_Id_Ent] DEFAULT ((0)),
[Date_Updated] [datetime] NULL,
[User_Id_Upd] [int] NULL CONSTRAINT [DF_Publications_User_Id_Upd] DEFAULT ((0)),
CONSTRAINT [PK_Puclications] PRIMARY KEY CLUSTERED
(
[Country_id] ASC,
[Publication_code] ASC
)WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON) ON [PRIMARY]
) ON [PRIMARY]
GO
ALTER TABLE [dbo].[Publications] WITH CHECK ADD CONSTRAINT [FK_Publications_Countries] FOREIGN KEY([Country_id])
REFERENCES [dbo].[Countries] ([Country_id])
GO
ALTER TABLE [dbo].[Publications] CHECK CONSTRAINT [FK_Publications_Countries]
Whisky-my beloved dog who died suddenly on the 29/06/06-I miss u so much.
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Jul 20, 2005
Hi!For the sake of simplicity, I have three tables, Employee, Department andWorkEmployee >---- Department / /^ ^WorkThe Work table have two columns, empno and depno and consists that theemployee has worked on another department.Here is my scripts:create table employee (empno int not null primary key, depno int not null)create table department (depno int not null primary key)create table work (empno int not null, depno int not null)alter table employee add constraint fk_employee_department foreign key(depno)references department (depno)on update cascadealter table work add constraint fk_work_employee foreign key (empno)references employee (empno)on update cascadealter table work add constraint fk_work_department foreign key (depno)references department (depno)on update cascadeMy problem is the last command. SQL Server responds:Server: Msg 1785, Level 16, State 1, Line 1Introducing FOREIGN KEY constraint 'fk_work_department' on table 'work' maycause cycles or multiple cascade paths. Specify ON DELETE NO ACTION or ONUPDATE NO ACTION, or modify other FOREIGN KEY constraints.But I want the depno in the work table to be updated when a department.depnochanges a value.Does anyone have a suggestion on how to overcome this problem?Thanks in advanceBest regards,Gunnar VøyenliEDB-konsulent asNORWAY
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Oct 16, 2006
Hi all,
The requirement is to have a table say 'child_table', with an Identity column to refer another column from a table say 'Parent_table'..
i cannot implement this constraint, it throws the error when i execute the below Alter query,
ALTER TABLE child_table ADD CONSTRAINT fk_1_ct FOREIGN KEY (child_id)
REFERENCES parent_table (parent_id) ON DELETE CASCADE
the error thrown is :
Failed to execute alter table query: 'ALTER TABLE child_table ADD CONSTRAINT
fk_1_ct FOREIGN KEY (child_id) REFERENCES parent_table (parent_id) ON DELETE
CASCADE '. Message: java.sql.SQLException: Cascading foreign key 'fk_1_ct' cannot be
created where the referencing column 'child_table.child_id' is an identity column.
any workarounds for this ?
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Aug 16, 2004
I have two tables as below. I want to update a quote and change the item for which it is for. So I want to do an update statement to change the cat_ref that the quote is for. However, when I do this I get a foreign key conflict with cat_ref in the item table. How do I get around this? Thanks
Code:
CREATE TABLE Item (
cat_ref VARCHAR(5)PRIMARY KEY,
descrip VARCHAR(50),
date_added SMALLDATETIME,
cat_type VARCHAR(20))
CREATE TABLE has_quote (
quote_id INT IDENTITY (1,1) PRIMARY KEY,
date_last_pricecheck SMALLDATETIME,
cat_ref VARCHAR(5)FOREIGN KEY
REFERENCES Item(cat_ref)
ON DELETE CASCADE,
first_name VARCHAR(10),
surname VARCHAR(10),
FOREIGN KEY (first_name, surname)
REFERENCES Customer(first_name, surname)
ON DELETE CASCADE
ON UPDATE CASCADE)
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Feb 9, 2004
I have a table that I want to run an UPDATE statement to change some data in the table, but I get this error:
Server: Msg 547, Level 16, State 1, Line 1
UPDATE statement conflicted with COLUMN FOREIGN KEY constraint 'FK__Yield__Financial_Product__ProductCode'. The conflict occurred in database 'lsmdb', table 'Financial_Product', column 'ProductCode'.
The statement has been terminated.
How do I update the ProductCode column in both tables to reflect my updated data?
Thanks in advance.
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May 18, 2008
Hello,
I would like to update foreign keys using triggers. At least thats what I think is the solution when having multiple references to a table in order to avoid the "cycles or multiple cascade paths" error message.
Anyway, here are three tables
Dentist table
dentist_id int identity (auto increment)
Patient table:
patient_id int identity (auto increment)
Appointment:
apointment_id int identity (auto increment)
id_dentist int FK to dentist_id
id_patient int FK to patient_id
I am gooling but cant find a way to make a trigger run only when the dentist_id from dentist table is updated. Also, is there a way to get the new id and old id somehow? I saw some posts with new.dentist_id and old.dentist_id but apparently is not for sql server.
Thank you.
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Jul 26, 2007
is there a way to cascade update to foreign keys where both fields (PK & FK) are located in two different database?
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Jul 23, 2005
How can you indicate that a FOREIGN KEY constraint references twocolumns in two different tables?"SQL Server Books Online" show an example of how to reference twocolumns in the SAME table:REFERENCES ref_table [ ( ref_column [ ,...n ] )Here is the error and the 'bad' SQL code:Server: Msg 8148, Level 16, State 1, Line 4More than one column FOREIGN KEY constraint specified for column'UserOrGroupId', table 'salesforce3.dbo.AccountShare'.CREATE TABLE salesforce3.dbo."AccountShare" ("Id" varchar(18) PRIMARYKEY , ... , "UserOrGroupId" varchar(18) CONSTRAINTFK_UserOrGroupId6349 FOREIGN KEY REFERENCES "User"(Id) REFERENCES"Group"(Id) , ... )
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Sep 7, 2007
Hi guys,
If I have a temporary table called #CTE
With the columns
[Account]
[Name]
[RowID Table Level]
[RowID Data Level]
and I need to change the column type for the columns:
[RowID Table Level]
[RowID Data Level]
to integer, and set the column [RowID Table Level] as Identity (index) starting from 1, incrementing 1 each time.
What will be the right syntax using SQL SERVER 2000?
I am trying to solve the question in the link below:
http://forums.microsoft.com/MSDN/ShowPost.aspx?PostID=2093921&SiteID=1
Thanks in advance,
Aldo.
I have tried the code below, but getting syntax error...
ALTER TABLE #CTE
ALTER COLUMN
[RowID Table Level] INT IDENTITY(1,1),
[RowID Data Level] INT;
I have also tried:
ALTER TABLE #CTE
MODIFY
[RowID Table Level] INT IDENTITY(1,1),
[RowID Data Level] INT;
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