Inserting Data Into A Row With An Identity Specification

May 5, 2008


I am trying to build a Windows application using: Windows XP Pro ; VS Pro 2005, C# and SQL2005.

I have a database table as follows:
eg
1) myGameRecency which contains columns : GameId (identity specification column/primary key/not null), Date (not null), [1], [2], [3], [4]

Using the myGameRecencyAllBalls table ---

I wish to insert a date into a new row but have not been able to determine how to with the identity specification on the GameId column.

Can anyone please assist?
Thank you.
lpbcorp



sqlCmd.CommandText = "DECLARE @date datetime SET @date = '" + Date +

"DECLARE @lastRowGameId int " +

"DECLARE lastrow_gameidcursor CURSOR SCROLL FOR " +

"(SELECT GameId FROM " + DBGameName.ToString() + "RecencyAllBalls) " +

"OPEN lastrow_cursor " +

"FETCH LAST FROM lastrow_gameidcursor INTO @lastRowGameId " +

"' INSERT INTO " + DBGameName.ToString() + "RecencyAllBalls.Date VALUES (@date) WHERE GameId = @lastrow_gameidcursor + 1";

sqlCmd.ExecuteScalar();

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Inserting To Multiple Tables In SQL Server 2005 That Use Identity Specification

Feb 20, 2007

Hi, I am having a bit of hassle with trying to enter details to multiple tables in SQL Server 2005.
I have four tables, an
Attendance Table (AttendanceID(PK Identity specific), MembershipNo, Date)
Resistance Table (ResistId(PK Identity specific), Weight , Reps, Sets)
Aerobics Tables(AerobicsID(PK Identity specific), MachineID, Intensity, Time)
and a linking table for all of them.... ExerciseMaster(AttendanceID,ResistanceID,AerobicsI D)

My problem is that I can insert data to each specific table by itself using seperate insert statements.....eg....

//insert an attendance record to the attendance table
string userID;

userID = Session["User"].ToString();

SqlDataSource pgpDataSource = new SqlDataSource();
pgpDataSource.ConnectionString = ConfigurationManager.ConnectionStrings["ConnectionStringLogin"].ToString();

pgpDataSource.InsertCommandType = SqlDataSourceCommandType.Text;
pgpDataSource.InsertCommand = "INSERT INTO [Attendance] ([MembershipNo], [Date]) VALUES (@MembershipNo, @Date)";
pgpDataSource.InsertParameters.Add("MembershipNo", userID);
pgpDataSource.InsertParameters.Add("Date", txtVisitDate.Text);

int RowsAffected = 0;

try
{
RowsAffected = pgpDataSource.Insert();
}

catch (Exception ex)
{
Server.Transfer("~/Problem.aspx");
}

finally
{
pgpDataSource = null;
}


//insert an aerobics record into the aerocibs table

SqlDataSource pgpDataSource = new SqlDataSource();
pgpDataSource.ConnectionString = ConfigurationManager.ConnectionStrings["ConnectionStringLogin"].ToString();

pgpDataSource.InsertCommandType = SqlDataSourceCommandType.Text;
pgpDataSource.InsertCommand = "INSERT INTO [Aerobics] ([MachineID], [Intensity], [ExerciseTime]) VALUES (@MachineID, @Intensity, @ExerciseTime)";


pgpDataSource.InsertParameters.Add("MachineID", rower.ToString());
pgpDataSource.InsertParameters.Add("Intensity", txtRowerLevel.Text);
pgpDataSource.InsertParameters.Add("ExerciseTime", txtRowerTime.Text);

int RowsAffected = 0;

try
{
RowsAffected = pgpDataSource.Insert();
}

catch (Exception ex)
{
Server.Transfer("~/Problem.aspx");
}

finally
{
pgpDataSource = null;
}
//same code as above for the resistance table

However, i am facing the problem where this does not populate the link table(ExerciseMaster) with any information as i am unable to write the relevant IDs into the table that have been auto generated by SQL Server for each of the subTables.
I have read several forums where they recommend using something called @@IDENTITY but i have no idea how or where to use this in order to fill my exercise table...
Any help would be so much appreciated.... Also, hopefully what i have said all makes sense and someone will be able to help me...oh and one more thing...this is an ASP.NET page coding in C#
Cheers
Scotty

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Sep 24, 2007

Hi,

Using Management Studio, when I import data from one identical database to another, any identity specifications get dropped from the destination database.

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Any way to avoid this?

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Jul 12, 2007

Hi,
How do I determine what the next "id" will be in a collumn where the Identity Specification is turned on with Identity Increment?
I have two tables, the one contains product information and the other is a photo album. When I create a new product, then I automatically create an associated photo album. It all works fine, but I have found some problems after using this setup for a while to manage products.
For example, say I have created 10 products (id's 1 to 10) , and then I decide to remove the last 5 products from the list. The next time I add a new product, it will be product number 6, but the id will be 11 (seeing that the id's will always be unique). How do I determine what the next Identity value will be seeing that the actual last id might not be the last one that was allocated?
RegardsJan

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May 29, 2008

I am not very clear about the use of 'identity specification properties'. There does not seem to be a great use of identity increments and seeds, it seems something that saves manual work, but to a very little extent
Anyone willing to shed some light?

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what happens when a column marked as Identity Specification reaches the limit? for example, I have some code tables using tinyints as keys, the actual number of entries will be 20 or so but there is some volatility, so eventually the 255 limit will be reached, what happens then?

the same thing applies to ints or bigints used as keys, eventually the database must run out of numbers

information will be appreciated

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Apr 21, 2008

Hi,

I am using SQL Server 2005 Mobile Edition & Merge Replication

in this I want to insert a record into table,
in that table I have taken UserID coloumn as auto incrementing Identity type.

In a book I read that,
If you are using an Identity column, you must find the next available number and reseed before an insert can be successful. You will also have to set up ranged identity columns on the published database to prevent errors when the new data is merged.

Now I want to ask here that, how should I ressed that value before inserting?????

any help in a form of CODe will be appriciated.....

thanks in advance...

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Is there anyway I can change Identity specification on column to yes ? and If I do that it supposed to take data as 1,2,3,4 like that? 

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Apr 6, 2006

First of all, I'm new to the forums, and I'm still getting started with VBEE and SQL.

I'm building a simple Windows Application that has a SQL Database with three tables, related to each other. In all of them I need to set one column as a simple index for the rows (1, 2, 3... etc), to work as a PK and relate to the other tables' FKs.

I've set the property Identity Specification of the column to Yes, and added some rows of data for testing. If you just keep adding rows, the PK columns work fine, but if you start deleting rows, the numbering gets fragmented, and the relations between the tables lose integrity.

I've tried the MSDN Online Help topics, but they just tell you this:

If an identity column exists for a table with frequent deletions, gaps can occur between identity values. If you want to avoid such gaps, do not use the identity property.

So, my questions are: is there another way around this problem? How to number rows automatically and re-number them when a row is deleted, and keep the table relations working? It has anything to do with constraints?

Sorry if my question was already answered, I really couldn't find anything like my problem searching the forums. Thanks in advance.

(and also, sorry for the bad english... )

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Someone asked me the other day about creating a table with one column that is an identity field and doing an insert so they can capture the SCOPE_IDENTITY() to use across seferal tables. I've never done anything like it and it seemed trivial at the time, but I'm not seeing how to make an insert work. So, for example, we have a table defines as: DECLARE @Bar TABLE (ID INT IDENTITY(1, 1) NOT NULL)
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Basicaly, this is an acedemic exercise, but I can't seem to make it work unless I add another column to the table. Any ideas? Maybe I'm not caffinated enough..? :)

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Jan 2, 2001

Hi Friends

Happy new year 20001.

Is it requires DBO Permission for do 'SET IDENTITY_INSERT FARRentalUnit ON'
or Write permission is enough.
I don't want give dbo perivilage to user.

Please reply soon.

Thanks for reply in advance.


Murali

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I have an odd issue with a stored procedure using output parameters and a database text field.

I am using custom VB6 COM+ objects in the middle tier and SQL Server 2000 on the back end. The stored procedure has an int as it's first parameter; it is an output parameter which gets set to @@IDENTITY after the data is written to the tables. The last parameter is a text.

The COM+ object executes the proc; ADO 2.7 incorrectly identifies the text parameter as an adVarChar, so I explicitely convert it to an adLongVarChar when I detect that the incoming data is > 8000 characters.

The proc writes the data correctly to the database in all cases. However, when the data is > 8000 characters, SQL doesn't appear to correctly set the output variable. No errors are generated, I simply don't get any value written to the variable. I've searched through MS's documentation, but can't seem to find anything on this issue.

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Hi

I need to insert values from a text-file to a table with a primary key as identity. In the text file I have no idea of the primary key values and i get "foreign key constraint violation" when trying to import null values into the column.

How can I solve the problem? With ordinary insert-statement there is no problem since the table generates identity- key values automatically. Is there a possibility to generate identity values with DTS-import?

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Nov 15, 2006

I have a table with the following schema:
CREATE TABLE [itis].[wrk_taxon_authors] (
[wb_taxon_author_id] [int] NOT NULL ,
[taxon_author_id] [int] IDENTITY (1, 1) NOT NULL ,
[taxon_author] [varchar] (100) COLLATE SQL_Latin1_General_CP1_CI_AS NOT NULL ,
[kingdom_id] [smallint] NOT NULL
) ON [PRIMARY]
GO

I am trying to insert the following data (as you can see fields are seperated with the | ):

19||Flores-Villela and Sánchez-H., 2003|5|
20||Wiegmann, 1828|5|
16|17482|Gray, 1838|5|
17|9823|(Wiegmann, 1828)|5|
I get the following error:Server: Msg 4869, Level 16, State 1, Line 1
Bulk Insert failed. Unexpected NULL value in data file row 1, column 2. Destination column (taxon_author_id) is defined NOT NULL.
Server: Msg 4869, Level 16, State 1, Line 1
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Since I have defined column 2 as an identity column, I don't understand why SQL Query analyzer is upset when I do not have a value in that field. To me, I would think it would auto-insert an integer (starting at seed 1 and incrementing by 1), but it doesn't. Could someone tell me what I'm doing wrong?

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I have a database that has a tble with a field that autoincrements as a primary key. meanig that the field type is BigInteger and it is set up as my Identity Column. Now when I insert a new record that field gets updated automaticly.
How can I get this value in the same operation as my insert? meaning, in 1 sub, I insert a new record but then need to retieve the Identity Value. All in the same procedure. 
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We are in the conversion process of making the database ints.This is a change from a guid PK to an integer based PK that uses an int Identity. The program still uses the guid, and we are trying to map that guid to the databases int.We insert using TVPs passed from code. Since the identity is being set upon insert I have three things to accomplish:

1) Insert all the data into the dbo table
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This is a high transaction table that will have a lot of records (millions).

--Sample table creation. There is a FK between Sets_Id to ParentSets_Id, Clustered PK on the Sets_Id
IF NOT EXISTS (SELECT * FROM sys.objects WHERE object_id = OBJECT_ID(N'[dbo].[JSets]') AND type in (N'U'))
BEGIN
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[code]...

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Apr 2, 2008

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SET IDENTITY_INSERT [remoteservername].Library2005.dbo.tblLanguages ON

but that results in the error:

Msg 8103, Level 16, State 1, Line 1
Table 'remoteservername.Library2005.dbo.tblLanguages' does not exist or cannot be opened for SET operation.


I read in another topic, that I should change this into the following:

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INSERT INTO [remoteservername].Library2005.dbo.tblLanguages
(colLangID, colEnglish, colGerman, colSpanish)
SELECT colLangID, colEnglish, colGerman, colSpanish FROM tblLanguages

This results in the error:

Msg 7344, Level 16, State 1, Line 2
OLE DB provider 'SQLOLEDB' could not INSERT INTO table '[remoteservername].[Library2005].[dbo].[tblLanguages]' because of column 'colLangID'. The user did not have permission to write to the column.

The remote server is linked correctly on my end via the sp_addlinkedserver and sp_addlinkedsrvlogin. Is there any way to force the remote server to turn IDENTITY_INSERT ON permanently and then let me execute as many INSERTS as I want and then turn it back OFF?

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