Change Primary Key In One Of Tables
May 26, 2015
I have inherited a SQL Server Database that has three tables related to one another. The DB uses a Access 2013 front end. I know access fairly well, but am not all that competent when it comes to SQL Server. I am using SQL Server Management Studio 12. I need to change the primary key in one of the tables. When I do so, I get the message illustrated below. How can I get around this?
I did find the place where there is a table option of "Prevent Saving changes that require table re-creation". However, there seems to be a lot of comments that indicate it should not be turned off. If I don't turn it off, how can I
make the changes to the table?
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Feb 4, 2015
We have a table, which has one clustered index and one non clustered index(primary key). I want to drop the existing clustered index and make the primary key as clustered. Is there any easy way to do that. Will Drop_Existing support on this matter?
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Oct 28, 2006
Is there any way to change the value of a primary key value?
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May 12, 2008
Hi,
I have a table named "MOTIVE", in this table the primary key is a colum named "MOTIVE_ID". I want to give primary key status to another column named "MOTIVE_CODE" instead. What are the correct statements to drop the primary key from a column and assign it to another.
Thanks for your help.
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Apr 28, 2006
I want modify the path Files of 'Primary' FilesGroup when DataBase is create.
The smo create a default 'primary' FilesGroup when DataBase.Create().
After database is create the path 'primary' FilesGroup' was not change.
Thats possible?
Dim srv as new Server ("SQL instance")
Dim db as new DataBase (srv,"DataBaseTest")
--> how code for modify the FilesGroup 'primary' and the files path?
db.create()
Thanks,
Marsenne
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Sep 25, 2015
I want to redirect the logshipping primary backup folder to another drive, how to change the configurations steps to move the primary logship folder to another location within the same server!
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Jan 13, 2013
Or can it record before and after column changes based on the LSN only?
An extract from a file based legacy accounting system is performed every night. The system does not have a primary key because transactions are managed through program code. (the more things change...). The extract is copied to text in Unix and FTP'd to Windows, where the file is loaded into SQL Server by kill & fill. Because of the expense of modifying the source system, there is enormous inertia/resistance to injecting a primary key at the source, so kill & fill it stays.
In reading about Change Data Capture, it seemed to me that column level insert update and delete are stored in tables that remember the before and after content of each column tracked. In my reading I have seen many references to the LSN to decide when and what to record as changed, but I have not seen any refereference to the necessity of a primary key for Change Data Capture to work. This is in contrast to replication, where the requirement for the existence of a primary key is made plain.
Is it possible to use Change Data Capture against a table without a primary key? How to use it to change the extract from kill and fill to incremental.
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Aug 1, 2006
I have been given a project to complete where ... two tables "Flights" and "ScheduledFlights" have a column called "FlightNo" . In both these tables it is mentioned that "FlightNo" is primary key ?
Is this possible ? i am not talking about foreign key here....
Here is the script that i have created..
create table flights
(
FlightNo char(5) constraint FlightNo primary key clustered not null,
DepTime char(5) not null,
ArrTime char(5) not null,
AircraftTypeID char(4) references Aircraft(AircraftTypeID) not null,
SectorID Char(5) references Sector(SectorID) not null
)
create table ScheduledFlights
(
FlightNo char(5) constraint FlightNo2 primary key clustered not null,
FlightDate datetime not null,
FirstClassSeatsAvailable int not null,
BusinessClassSeatsAvailable int not null,
EconomyClassSeatsAvailable int not null
)
Now the problem is with FlightNo attribute .. ? Can two Tables have the same primary key ?
(FlightNo2 is given as a temporary solution)
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Jan 4, 2008
Hi,
Suppose i have two tables employee and orders.Can i join these two tables with candidate key colums in each table.
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Jun 7, 2005
Hi,
i am using the enterprise manager of our sql server 2000. i want to
export some (not all) tables from one DB to another one with all the
data inside these tables AND the primary keys. if i do i only receive
the tables with the data but all primary keys and indexes will be lost.
how to do it?
thanks, tobi
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Jun 21, 2005
With the last table being created below, it has a clustered primary key.One of the fields it is referencing on the previous table, courseId, can NOT be unique.But without it being unique, the cluster primary key won't work.Is there another way to achieve what I am trying to do here?CREATE TABLE dbo.courseScores ( courseId varchar(20) NOT NULL CONSTRAINT FK_courseId_courseStructure2 FOREIGN KEY (courseId) REFERENCES courseStructure (courseId),
studentId varchar(20) NOT NULL CONSTRAINT FK_studentId_students2 FOREIGN KEY (studentId) REFERENCES students (studentId),
CONSTRAINT PK_courseScore PRIMARY KEY CLUSTERED (courseId, studentId)
)
CREATE TABLE dbo.objScores ( objID varchar(20) NOT NULL CONSTRAINT FK_objId_objstructure FOREIGN KEY (objID) REFERENCES objStructure (objID),
studentId varchar(20) NOT NULL CONSTRAINT FK_studentId_students3 FOREIGN KEY (studentId) REFERENCES students (studentId),
courseId varchar(20) NOT NULL CONSTRAINT FK_course FOREIGN KEY (courseId) REFERENCES courseScores (courseId), CONSTRAINT PK_objScores PRIMARY KEY CLUSTERED (objID, studentId, courseId) )
Thanks all,Zath
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Aug 14, 2001
Does anyone have a script that will roll through the tables in a database and identify tables without primary keys defined? I did not see any in the online script database.
Thanks,
Rick
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Sep 9, 1999
I have a situation in which i have to get the last value stored in the Primary Key for all the tables. Based on this value i have to update another table which stores the Table names and the last Key value for the table. The values in this table are not correct therefore i have to update it now. I was trying to write a cursor for this but the only problem is i can't get to know how to get the column name on which the primary key is defined for all the tables, thru code.
I would appreciate if someone could help me out with this.
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Nov 14, 2003
Can someone tell me if there's a way to export data from one database to another without losing the primary key information that has been set in the source database?
Please respond to URL. Thanks!
CC
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Feb 26, 2015
I found a few 'SearchAllTables' scripts out there to find a value in any table/column/row of any Database.
My problem is that none of these database search queries seem to look at primary key values.
The value I'm looking for is a primary key - I need to find all the other tables that have this primary key value.
how I could accomplish this?
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Jun 9, 2007
Hello,We imported a bunch of tables from a database and realized that theprimary keys weren't copied to the destination db. In order to re-create the keys, we need to know which tables have them. Is there acommand that I can use (on the source db) to find out which tablescontain primary keys? The db has hundreds of tables and I'd rather notgo through each one to see which has a primary key.Also, for future reference, is there a way to include the primary keyon an import?Thanks,Peps
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Aug 24, 2015
I've created a table called Employees with a primary key called EmployeeID. Â The table contains EmployeeID, FirstName and LastName columns. Â I now want to create a table called Team which will contain the columns TeamID, EmployeeID (to reference the column EmployeeID from the Employee table) and a column called TeamName. Â Sql won't let me create multiple primary keys in one table (I did think that was the case ) key but yet if I look at the Adventure Works database in the Person.PersonPhone table, I can see three primary keys defined.
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Oct 9, 2015
I was trying a joining example provided in my book in which customer is a table and person is another table. The query provided in the book is this... USE AdventureWorks2012;
GO
SELECT c.CustomerID, c.PersonID, p.BusinessEntityID, p.LastName
FROM Sales.Customer AS c
INNER JOIN Person.Person AS p ON c.PersonID = p.BusinessEntityID;
This is the query that I did....
SELECT
     c.CustomerID,p.FirstName,p.MiddleName,p.LastName
FROM
     Sales.Customer AS c INNER JOIN Person.Person AS p
ON
     c.CustomerID=p.BusinessEntityID
ORDER BY
        p.BusinessEntityID;
Keys :-
Person Table
[PK_Person_BusinessEntityID]
[FK_Person_BusinessEntity_BusinessEntityID]
Customer Table
[PK_Customer_CustomerID]
[FK_Customer_Person_PersonID]
However,both of them gives a very different result set.But my question is why do we need to use the Customer.PersonID instead of Customer.CustomerID. Is it really important to use one primary key and one foreign,is there any specific reason why the book showed c.personId=p.BusinessEntityId.??
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Aug 3, 2002
...got tired of looking at them by hand.
Cheers
-b
DECLARE @vcDB varchar(20),@vcSchema varchar(20),@vcTable varchar(200)
Select @vcDB='mydb',@vcSchema='dbo'
DECLARE cLoop cursor for
select TABLE_NAME
from INFORMATION_SCHEMA.TABLES
where TABLE_CATALOG=@vcDB
and TABLE_SCHEMA=@vcSchema
order by TABLE_NAME ASC
open cLoop
FETCH NEXT FROM cLoop INTO @vcTable
WHILE @@FETCH_STATUS=0
BEGIN
if not exists (SELECT *
FROM INFORMATION_SCHEMA.TABLE_CONSTRAINTS
WHERE TABLE_SCHEMA = @vcSchema
AND TABLE_NAME = @vcTable
AND CONSTRAINT_TYPE = 'PRIMARY KEY')
print @vcTable + ' does not have a primary key'
FETCH NEXT FROM cLoop INTO @vcTable
END
Close cLoop
DEALLOCATE cLoop
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Sep 26, 2007
we like some of the advantages filegroups offer but wonder if the purpose is somewhat defeated if it is true that tables sitting on other filegroups still have to work with the same transaction log that the db's primary tables work with.
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Mar 6, 2008
How do i find all the tables that have an Identity Column as a primary key in a database. Thanks.
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Aug 7, 2007
Hope this is in the right thread, sorry if not!
I have run into a problem, i need to find out that column(s) in a table that makes the primary key.
I thought that this code did the trick.
***
DECLARE @c varchar(4000), @t varchar(128)
SET @c = ''
SET @t='contact_pmc_contact_relations'
Select @c = @c + c.name + ',' FROM syscolumns c INNER JOIN sysobjects o ON o.id = c.id inner join sysindexkeys k on o.id = k.id WHERE o.name = @t and k.colid = c.colid ORDER BY c.colid
SELECT Substring(@c, 1, Datalength(@c) - 1)
***
This works in most of my cases. But i have encounterd tabels where this code doesn't work.
Here is a dump from one of the tabels where it doesn't work.
SELECT *
FROM sysindexkeys
WHERE (id = 933578364) <--id of the table
***
id indid colid keyno
933578364 1 1 1
933578364 1 2 2
933578364 2 1 1
933578364 3 2 1
933578364 4 3 1
933578364 5 4 1
933578364 6 5 1
933578364 7 6 1
933578364 8 7 1
Not sure if that dump made any sense, but i hope it did.
If i look at the table in SQL Enterprise manager there is no relations, no indexes only my primarykey made up with 2 columns (column id 1 and 2).
So, anyone know how i could solve this problem?
Regards
/Anders
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Sep 4, 2015
We are going to use SQL Sever change tracking. The problem is that some of our tables, which are to be tracked, have no primary keys. There are only unique clustered indexes. The question is what is the best way to turn on change tracking for these tables in our circumstances.
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Feb 7, 2007
Hi all,
In my project i will have the data in a collection of objects, I need to update series of tables with foreign key relations
Right now my code looks like this
foreach(object obj in Objects){
int accountId=Account.Insert(obj.accountOpenDate,obj.accountName);//this will update the accounts table and returns account id which is a Identity column in Acccounts table
int DebtId=Debt.Insert(accountd,obj.debtamount,obj.debtbalance); this will update the Debts table and returns DebtId
///series of tables like above but all the relevant data comes from obj and in the Insert Methods i am using stored procedures to Insert the data into table
}
The no of objects varies from 1000 to 1 milliion,, with this approach its taking more time to update all the data. Please let me know if any alternative procedure to handle this kind of scenario.
Thanks
Regards
Prasad.
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Sep 7, 2000
Hello All,
Has any1 noticed that when they are transferring SQL tables from one server (or machine) to another that the primary keys drop from the table (or is it just me). If so, has someone figured out why? and how to rectify this (apparent) error.
Many thanks in advance for any and all help,
Gurmi
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Jun 27, 2007
Hi all,
I’m trying to export 120 tables from SQL server 2000 to SQL server 2005 with their Primary and corresponding records.
Is there way to do this?
Thanks for any help.
Abrahim
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Apr 17, 2014
how to find all primary key columns & foreign key columns in all database tables?
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Apr 9, 2007
I want to create a table withmember id(primary key for Students,faculty and staff [Tables])and now i want to create issues[Tables] with foreign key as member idbut in references i could not able to pass on reference as orcondition for students, faculty and staff.Thank You,Chirag
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May 22, 2007
Hi All
I hope someone smart can help me, it would be highly appriciated.
I am developing an SQL Serverdatabase and in on of the tables I need the primary key to consist of two pieces of data.
TblOrders: OrderNum, Orderdate, ....
TblDispatchers: DispatcerID, Dispatcher, DispatcherAddress
The OrderNum field in TblOrders need to be a composite of an AutoNum-field (incrementet by 1) and the DispatcerID from the tblDispatchers.
Can this be done, and how.
Many thanks
Kind regards
Tina
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May 16, 2007
Hi All
I am a newbie to replication. I just want to know Is there any way to publish tables (articles) without primary keys in transactional replication.
Early Thanks,
Salman Shehbaz.
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Oct 31, 2015
Is there anyway to get the order in which data to be import on to tables when they have primary and Foreign Key relations?
For ex:We have around 170 tables and when tries to insert data it will throw error stating table25 data should be inserted first when we insert data in table 25 it say 70 like that.
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Jul 23, 2005
How can i enter Default Values of " " to all the columns of type characterof all the tables (excluding system tables) and Default Values of 0of all columns of type numbers. Excluding all primary key columns.Thank you
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Jun 6, 2015
I want to create a table with primary key , and put relationship with second table.
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