Drop Indentity From Column

Dec 6, 2007

I am trying to remove the Indentity property from a column so I can do some clean up. Then will need to add it back. Adding Indentity property back is not a problem, but cant figure out how to remove it in the first place.

Any help would be greatly apprecaited.

Thanks
Dave

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Indentity Column

Feb 24, 2000

when I use the code

SET IDENTITY_INSERT tss_Cable ON
go
DECLARE @@nextidentval int
SELECT @@nextidentval = MIN(IDENTITYCOL) + IDENT_INCR(tss_Cable)
FROM tss_Cable t1
WHERE IDENTITYCOL BETWEEN IDENT_SEED(tss_Cable) AND 2147483646
AND NOT EXISTS (SELECT * FROM tss_Cable t2
WHERE t2.IDENTITYCOL = t1.IDENTITYCOL IDENT_INCR(tss_Cable))
go
SET IDENTITY_INSERT tss_Cable OFF

I get the following error.

error line 2 Incorrect syntax near IDENT_INCR.
error line 6 incorrent syntax near IDENT_INCR.

I would like to reset the identity without droping the table. I'm using
sql 6.5. I looked at Mark Lessard 12/17/99 respose on this issue and changed
the code to match his version but the same error occured.

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Using The Indentity Column

Feb 22, 2008


As an example I have three tables

Table1
ChildName (nvarchar)30
ChildID (INT) Set as €˜IDENTITY€™

Table2
ParentName(nvarchar)30
ParentID (INT) Set as €˜IDENTITY€™

Table3
ChildID (INT)
ParentID (INT)

I have the following code.

Dim dbcnn As SqlClient.SqlConnection = New SqlClient.SqlConnection(dbsettings.getDatabaseString)

Dim dbcmd As SqlClient.SqlCommand
dbcmd_AddDriverRoute = New SqlClient.SqlCommand("usp_Insert", dbcnn)
dbcmd.CommandType = CommandType.StoredProcedure

dbcmd.Parameters.AddWithValue("@ChildID ", cmb_child.SelectedItem)

dbcmd.Parameters.AddWithValue("@ParentID ", "@@IDENTITY")

dbcnn.Open()
dbcmd.ExecuteScalar()
dbcnn.Close()



basically what I want to do is when a child is added I want to be able to insert ParentID (INT) Set as €˜IDENTITY€™ value into table3 ParentID (INT) .

I have my sql statement in place I am not sure how to take an identity value stored in the db.

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Mar 24, 2008

i have table with one column
CREATE TABLE [dbo].[tblTest](
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Nov 16, 2004

Hello, everyone:

I have a table with an indentity column as first column. At beginning it is continue such as 0-50. I delete last 20 columns by hand. The 0-31 is left. When the new data is inserted, I hope the new indentity column begin from 32. How to do that? Now the indentity column begin from 51 as the new data is inserted.

Thanks a lot

ZYT

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Feb 20, 2008



Dear Friends,

I need a SQL Query to add a identity coloumn for anExisting table. (ie) when i try to alter the table i want to add an identity coloumn.

Thanks in advance.

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Mar 7, 2008

Hi I’m trying to alter a table and delete a column I get the following error. The object 'DF__Morningst__LastU__19EB91BA' is dependent on column 'LastUpdated'.
ALTER TABLE DROP COLUMN LastUpdated failed because one or more objects access this column. I tried deleting the concerned constraint. But the next time I get the same error with a different constraint name. I want to find out if I can dynamically check the constraint name and delete it and then drop the column. Can anyone help.IF EXISTS(SELECT 1FROM sysobjects,syscolumnsWHERE sysobjects.id = syscolumns.idAND sysobjects.name = TablenameAND syscolumns.name = column name)BEGIN EXECUTE ('ALTER TABLE tablename DROP CONSTRAINT DF__SecurityM__DsegL__08C105B8')EXECUTE ('ALTER TABLE tablenameDrop column columnname)ENDGO
 

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Feb 14, 2000

Does anyone know why this does not work?

ALTER TABLE deal DROP COLUMN TestField

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Line 1: Incorrect syntax near 'TestField'.

Thanks,
Paul

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Aug 30, 2006

Hi:

'Unfortunately', there is still a SQL6.5 sp4 server that I need to handle.
I need to drop a coulmn xyz from an important table tblABC.
But neither Enterprise manager could do it nor
'alter table tblABC drop column xyz' could run.

Without the hastle of makin a tblABCcopy and copy all data from tblABC except column xyz and re-do all fks; is there another way to drop the column?

thanks
-D

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I have a question, Every month I get a request from cutomer service to go into a SQL VIEW and DELETE a column to reflect the past Month. How to write a query to create a SQL job to performed this task automatically. For example today I deleted the column [2015/03] which represents the month of March. The columns left are [2015/04] representing the current month, [2015/05], [2015/06],[2015/07]....[2016/08].Next month I will have to delete column [2015/04]and the current month will be [2015/05]....etc.

So I'm thinking I will have to Drop the column and also Maybe using a date funtion to look at the current date and format it to reflect [YYYY/MM] and IF the Column Month is less than current date month then drop the column.

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Mar 15, 2007

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Apr 24, 2007

I checked column from xsd file which created from DataBase.
And before installing my application I will check any column in destination base whether have complete column or not.
 
And if there is any column which is not wanted column(not same as xsd structure)
I will delete it by creating sql command as follow "ALTER TABLE tableName DROP COLUMN column1, column2, ......"
and Execute it by program initialization.
 
So
I need delete it by run-time
 
 
However some column may be Primary Key with any reason
 
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Aug 2, 2001

Hi all,
how can I drop a column in a table.

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Jun 13, 2008

I did this...

ALTER TABLE tm_spn_equip_def ADD Customer_No int NOT NULL DEFAULT dbo.f_spn_GetCustomerNo() WITH VALUES

Now when I attempt to do this...

ALTER TABLE tm_spn_equip_def DROP COLUMN Customer_No

I get an error:

Msg 5074, Level 16, State 1, Line 1
The object 'DF__tm_spn_eq__Custo__019E3B86' is dependent on column 'Customer_No'.
Msg 4922, Level 16, State 9, Line 1
ALTER TABLE DROP COLUMN Customer_No failed because one or more objects access this column.


How can I get around this?

TIA!

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Dec 13, 2007

Hi all!

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Greetings

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Oct 6, 2007



I have a database that I have made using sql server 2005 express edition. I want to run a query to drop one of the columns from one of the tables. I have tried the following but had no luck.

USE database


DROP column FROM table



This is the error that I got when I tried this.


Msg 156, Level 15, State 1, Line 3

Incorrect syntax near the keyword 'FROM'.

Of course, my query had the real database, table and column names. I have generic ones that I have provided here.

Do I have to alter the table instead of dropping the column that I don't want?
Do I have to remake the table without the column that I don't want?

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Sep 25, 2007



Hello !

I am using Microsoft SQL Server 2000

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ALTER TABLE MOPTeste DROP COLUMN IDMOPPais

COMMIT

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<code>
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</code>
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Msg 4922, Level 16, State 9, Line 1

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