ALTER TABLE CHANGE Question ...
Apr 11, 2007
I need to be able to change a table column name from within my C# code. The system in this part of the application is intended to be highly configurable and column names on the table being operated upon can change. The code adds square brackets to the column name (because the user might set up a column name with one or more spaces) but I'm not sure if I'm doing it right because I'm getting an error.
The code that builds the SQL command is:SqlCommand = new SqlCommand("ALTER TABLE wto_facilities CHANGE [" +
oldAccomType + "][" + accomType.Text + "] varchar(20)", conn); On the first test run, the code produces the following: ALTER TABLE wto_facilities CHANGE [Hotel] [Hotels] varchar(20)However, it's giving me the following error: Incorrect syntax near 'Hotels'It looks fine to me, but it's obviously not.
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Apr 22, 2008
I am modifying a table and some of the columns are changing. The following syntax is resulting in errors. What am I doing wrong?
ALTER TABLE [EDB].[SQL_test]
ALTER COLUMN EDBR_Nb EDBR_Nm varchar(10)
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Jul 23, 2005
Hi people,I?m trying to alter a integer field to a decimal(12,4) field in MSACCESS 2K.Example:table : item_nota_fiscal_forn_setor_publicofield : qtd_mercadoria integer NOT NULLALTER TABLE item_nota_fiscal_forn_setor_publicoALTER COLUMN qtd_mercadoria decimal(12,4) NOT NULLBut, It doesn't work. A sintax error rises.I need to change that field in a Visual Basic aplication, dinamically.How can I do it? How can I create a decimal(12,4) field via script in MSACCESS?Thanks,Euler Almeida--Message posted via http://www.sqlmonster.com
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Feb 17, 2008
We have 300+ databases on one sinlge server. If I need to change log size to "unlimited" for all of them, is there any way to do so? Please advice.
-Julie
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Jul 20, 2005
I would like to add an Identity to an existing column in a table using astored procedure then add records to the table and then remove the identityafter the records have been added or something similar.here is a rough idea of what the stored procedure should do. (I do not knowthe syntax to accomplish this can anyone help or explain this?Thanks much,CBLCREATE proc dbo.pts_ImportJobsas/* add identity to [BarCode Part#] */alter table dbo.ItemTestalter column [BarCode Part#] [int] IDENTITY(1, 1) NOT NULL/* add records from text file here *//* remove identity from BarCode Part#] */alter table dbo.ItemTestalter column [BarCode Part#] [int] NOT NULLreturnGOSET QUOTED_IDENTIFIER OFFGOSET ANSI_NULLS ONGOhere is the original tableCREATE TABLE [ItemTest] ([BarCode Part#] [int] NOT NULL ,[File Number] [nvarchar] (20) COLLATE SQL_Latin1_General_CP1_CI_AS NULLCONSTRAINT [DF_ItemTest_File Number] DEFAULT (''),[Item Number] [nvarchar] (50) COLLATE SQL_Latin1_General_CP1_CI_AS NULLCONSTRAINT [DF_ItemTest_Item Number] DEFAULT (''),[Description] [nvarchar] (50) COLLATE SQL_Latin1_General_CP1_CI_AS NULLCONSTRAINT [DF_ItemTest_Description] DEFAULT (''),[Room Number] [nvarchar] (50) COLLATE SQL_Latin1_General_CP1_CI_AS NULLCONSTRAINT [DF_ItemTest_Room Number] DEFAULT (''),[Quantity] [int] NULL CONSTRAINT [DF_ItemTest_Quantity] DEFAULT (0),[Label Printed Cnt] [int] NULL CONSTRAINT [DF_ItemTest_Label Printed Cnt]DEFAULT (0),[Rework] [bit] NULL CONSTRAINT [DF_ItemTest_Rework] DEFAULT (0),[Rework Cnt] [int] NULL CONSTRAINT [DF_ItemTest_Rework Cnt] DEFAULT (0),[Assembly Scan Cnt] [int] NULL CONSTRAINT [DF_ItemTest_Assembly Scan Cnt]DEFAULT (0),[BarCode Crate#] [int] NULL CONSTRAINT [DF_ItemTest_BarCode Crate#] DEFAULT(0),[Assembly Group#] [nvarchar] (50) COLLATE SQL_Latin1_General_CP1_CI_AS NULLCONSTRAINT [DF_ItemTest_Assembly Group#] DEFAULT (''),[Assembly Name] [nvarchar] (50) COLLATE SQL_Latin1_General_CP1_CI_AS NULLCONSTRAINT [DF_ItemTest_Assembly Name] DEFAULT (''),[Import Date] [datetime] NULL CONSTRAINT [DF_ItemTest_Import Date] DEFAULT(getdate()),CONSTRAINT [IX_ItemTest] UNIQUE NONCLUSTERED([BarCode Part#]) ON [PRIMARY]) ON [PRIMARY]GO
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Oct 8, 2007
I am using sql server ce.I am changing my tables sometimes.how to use 'alter table alter column...'.for example:I have table 'customers', I delete column 'name' and add column 'age'.Now I drop Table 'customers' and create again.but I read something about 'alter table alter column...'.I use thi command but not work.I thing syntax not true,that I use..plaese help me?
my code:
Alter table customers alter column age
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Sep 26, 2006
Please Help!!
We have an application using SQLOLEDB connection to a SQL Server 2005 database. Per domain policy, the users are required to change their password every 60 days.
The accounts are established to 'Enforce password policy'.
When we try to execute the 'ALTER LOGIN' command to change the password, locks are being established and will not free the account without bouncing the instance.
After issuing the command, any interaction with the server using this UserID results in a "lock request time out" error 1222.
I have tried issuing this command using both the application and through SQLServer Mgmt Studio Express and the results are the same.
Any idea would be greatly appreciated.
Rusty Rickmon
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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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Apr 1, 2007
Keep in mind this is my first compiled SQL program Stored Procedure(SP), copied from a book by Frasier Visual C++.NET in Visual Studio2005 (Chap12). So far, so theory, except for one bug (feature?)below. At some point I'm sure I'll be able to laugh about this, akinto forgeting a semi-colon in C/C++, but right now it's frustrating(time to sleep on it for a while).Problem--For some reason I get the error when trying to save files where twotables (called Author and Content), linked by a single key, form arelationship.By simple comparison of the source code in the textbook and my program(below) I found the difference: instead of, like in the textbook, theStored Procedure (SP) starting with "CREATE PROCEDURE", it*automatically* is (was somehow) given the name of 'ALTER PROCEDURE'and I cannot change this to "CREATE PROCEDURE" (you get an error in MSVisual Studio 2005 Pro edition of "There is already an object namedXXX in the database", see *|* below). No matter what I do, the SP isalways changed by Visual Studio 2005 to 'ALTER PROCEDURE'!!!(otherwise it simply will not save)Anybody else have this happen? (See below, others have had this happenover the years but it's not clear what the workaround is)Keep in mind this is my first attempt and I have ordered somespecialized books on SQL, but if this is a common problem (and Isuspect it's some sort of bug or quirk in VS2005), please let me know.Frankly I think SQL as done by VS2005 is messed up.Here are two Usenet threads on this problem:(1) http://tinyurl.com/2o956m or,http://groups.google.com/group/micr...1454182ae77d409(2) http://tinyurl.com/2ovybv or,http://groups.google.com/group/micr...9e5428bf0525889The second thread implies this is a bug--any fix?Also this bug might be relate to the fact I've switched (and notrebooted) from Administrator to PowerUser after successfully changingthe permissions in the SQL Server Management Studio Express (see thisthread: http://tinyurl.com/2o5yqa )Regarding this problem I might try again tommorrow to see if rebootinghelps.BTW, in the event I can't get this to work, what other SQL editor/compiler should I use besides MS Visual Studio 2005 for ADO.NET andSQL dB development?RL// source files// error message:'Authors' table saved successfully'Content' table- Unable to create relationship 'FK_Content_Authors'.The ALTER TABLE statement conflicted with the FOREIGN KEY constraint"FK_Content_Authors". The conflict occurred in database "DCV_DB",table "dbo.Authors", column 'AuthorID'.// due to the below no doubt!--CREATE PROCEDURE dbo.InsertAuthor /* THIS IS CORRECT (what I want)'CREATE PROCEDURE' not 'ALTER PROCEDURE'*/(@LastName NVARCHAR(32) = NULL,@FirstName NVARCHAR(32) = NULL)AS/* SET NOCOUNT ON */INSERT INTO Authors (LastName, FirstName)VALUES(@LastName, @FirstName)RETURN--ALTER PROCEDURE dbo.InsertAuthor /* WRONG! I want 'CREATE PROCEDURE'not 'ALTER PROCEDURE' but VS2005 won't save it as such!!!*/(@LastName NVARCHAR(32) = NULL,@FirstName NVARCHAR(32) = NULL)AS/* SET NOCOUNT ON */INSERT INTO Authors (LastName, FirstName)VALUES(@LastName, @FirstName)RETURN--*|* Error message given: when trying to save CREATE PROCEDURE StoredProcedure: "There is already an object named 'InsertAuthor' in the dB
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Nov 20, 2013
I have created a table as below mentioned. Then I want to alter the ID column as identity(1,1) without dropping the table as well as losing the data.
create table dbo.IdentityTest
(
id int not null,
descript varchar(255) null,
T_date datetime not null
)
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Oct 25, 2015
we have a table in our ERP database and we copy data from this table into another "stage" table on a nightly basis. is there a way to dynamically alter the schema of the stage table when the source table's structure is changed? in other words, if a new column is added to the source table, i would like to add the column to the stage table during the nightly refresh.
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Jul 26, 2004
I have contract table which has built in foreign key constrains. How can I alter this table for delete/ update cascade without recreating the table so whenever studentId/ contactId is modified, the change is effected to the contract table.
Thanks
************************************************** ******
Contract table DDL is
create table contract(
contractNum int identity(1,1) primary key,
contractDate smalldatetime not null,
tuition money not null,
studentId char(4) not null foreign key references student (studentId),
contactId int not null foreign key references contact (contactId)
);
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Aug 13, 2006
In SQL Server 2005,here are two tables, created by the following SQL Statements:
CREATE TABLE student(
ID CHAR(6) PRIMARY KEY,
NAME VARCHAR(10),
AGE INT
);
CREATE TABLE score(
ID CHAR(6) PRIMARY KEY,
SCORE INT,
FOREIGN KEY(ID) REFERENCES student(ID)
);
For the length of Column ID is not enough, So I want to alter its length.The alter statement is:
ALTER TABLE student ALTER COLUMN ID CHAR(20)
For the table student is referenced by table score, the alter statement can not alter the column of the table student, and the SQL Server DBMS give the errors.
But, I can manually alter the length of the column ID in SQL SERVER Management Studio. How to alter column length of the master table(student) along with the slave table(score)?
Thanks!
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May 26, 2015
which ALTER TABLE/ALTER COLUMN- Statement has a Recreate Table as result ?
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Jul 20, 2005
Hello!I have an MS SQL-server with an database, that runs replication. In thisdatabase there is an table with an columni want to extend; varchar(50)->varchar(60).But I get this error (using design window of Enterprise Manager): Cannotdrop the table 'MytableName' because it is being used for replication.Thanks for helpBjoern
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Apr 10, 2007
A customer wants to implement table partitioning on a replicated table.
They want to hold 13 months of data in the table and roll off the earliest/oldest month to an identical archive table. The table has a date field and partitioning by month makes sense all around.
So SWITCH PARTITION is the obvious solution to this, except for the fact that the table is replicated (transactional w/no subscriber updates).
What are his architectural or practical solutions to using table partitioning and replication?
thx
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Feb 15, 2006
Is there a way to add a column to an existing table and do it all in C#If my query string is as follows how do I execute the query?ALTER TABLE interests ADD COLUMN Swim VARCHAR(1) NOT NULL DEFAULT('n')ThanksMoonWa
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Aug 13, 2002
I think I have blown a gasket..... a elementary simple sp that will not work but I am unable to find an explanation as to why..... please help.
CREATE PROCEDUREbrsp_table_alteration
@var_1 varchar(45)
,@var_2varchar(45)
,@var_3varchar(30)
AS
ALTER TABLE @var_1
ADD@var_2@var_3NULL
Thanks.
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Sep 30, 2003
I have a table tblABC which exists in 800 databases. I want to run a cursor to turn off the pk field ID indentity permannetly and then to "insert tblABC select * from tblXYZ".
I have tried the "set indentity_insert tblABC on" statement and failed on insert tblABC select * from tblXYZ.
Is there any alter table related t-sql could permannetly turn off the identity?
thanks
David
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Jun 7, 2001
Is there anyway to Insert a new column between two existing columns without creating a new table?
Thanks
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Oct 17, 2001
Hi,
is it possible to override the system when adjusting
columns. i.e. a system override setting.
For instance if I've got a column that is indexed and I
want to adjust it from varchar(50) to varchar(51) it lets
me. But if I then try and adjust the column to varchar
(49) I get the error below:
Server: Msg 5074, Level 16, State 8, Line 1
The index 'LastName' is dependent on column 'lastname'.
Server: Msg 4922, Level 16, State 1, Line 1
ALTER TABLE ALTER COLUMN lastname failed because one or
more objects access this column.
I asked this question on another Forum and was told I had to drop the index first. Just thought I'd ask for a second opinion.
Thanks for the help.
Steve
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Jan 30, 2004
Hi to all!
I have a silly problem, but I'm not able to solve it!
I know how to add a field in a table via Enterprise manager and I know also via ALTER TABLE command.
...But the problem is: I want to add a field NOT in the last position, but on the middle (for istance)
So, this is possible via Enterprise Manager but with the ALTER TABLE command? How can I add a field without put it in the last position?
...Thanks a lot!
Sergio
p.s.: Sorry for my poor english..I hope you understand my question!
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Jun 5, 2008
hello,
i am trying to add a column to every table in a database, if it (doesn't already exist), with the following code:
declare @name varchar(50)
declare c cursor for select name from sys.tables
open c
fetch next from c into @name
while @@FETCH_STATUS = 0
begin
if( (select count(*) from sys.columns
WHERE object_id IN (SELECT object_id FROM sys.tables WHERE name = @name )
and name='ins_id') = 0 )
begin
alter table @name add ins_id int
end
fetch next from c into @name
end
close c
deallocate c
and when i run the script i get the error message
Incorrect syntax near '@name'.
reffering to the alter table statement
So, my question is, how can i actually perform the alter table in this case?
thank you
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Mar 2, 2007
Pramod writes "I want to change the primary key field of my database to Identity seed. the table is with data. data should be secured
this is the structure
'=================================
CREATE TABLE [tblStock] (
[StockId] [numeric](18, 0) NOT NULL ,
[ItemID] [numeric](18, 0) NULL ,
[Batch] [varchar] (50) NULL ,
[Qty] [float] NULL ,
[Prate] [float] NULL ,
[SRate] [float] NULL ,
[Mrp] [float] NULL ,
[PTR] [float] NULL ,
[batchid] [numeric](18, 0) NULL ,
[BatchCode] [varchar] (50) NULL ,
CONSTRAINT [PK_tblStock] PRIMARY KEY NONCLUSTERED
(
[StockId]
) ON [PRIMARY] ,
CONSTRAINT [IX_tblStock] UNIQUE NONCLUSTERED
(
[ItemID],
[Batch],
[Prate]
) ON [PRIMARY]
) ON [PRIMARY]
===================================
How do i use alter table with identity seed
ALTER TABLE tblStock alter column StockID Numeric IDENTITY (1, 1)
how the p[rimary key affects
Please help me"
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Sep 13, 2007
How to alter a table name by using Query Analyser
i tried like this..
ALTER TABLE of_info_grp
RENAME TO stp_info_grp_map
It is giving an error like this
Server: Msg 156, Level 15, State 1, Line 4
Incorrect syntax near the keyword 'TO'.
Some one help on this
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Jul 23, 2005
Hi,I'm trying to write a function check if a column exists on a table, andcreates it if it doesn't. The line that the query analyzer is citingis noted. It seems unhappy taking variables in the ALTER TABLEcommand. I can think of a hack around this, but I'm hoping there's abetter way? Muchas gracias in advance :)-DJCode followsCREATE FUNCTION fieldCreator(@TableName varchar(20),@FieldName varchar(20))RETURNS BITASBEGINif (EXISTS (SELECT count (objname)FROM ::fn_listextendedproperty (NULL, 'user', 'dbo', 'table',@TableName, 'column', @FieldName)GROUP BY objname))BEGINALTER TABLE @TableName ADD @FieldName int DEFAULT 4 --ERRORS HERE!!!EXEC sp_addextendedproperty 'caption', 'Created by script foranalysis', 'user', dbo, 'table', @TableName, 'column', @FieldNamereturn 1ENDreturn 0ENDGO
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Aug 18, 2006
I used the MS Access 2000 Upsize wizard to create a Client/serverapplication. After the wizard ran, the original table names had becomethe linked tables and then there were duplicates of the the tablesnamed xxx_local.I realized later that I needed to add some fields to a table andcouldn't do that in Access (couldn't edit the linked tables). So I usedthe Query Analyzer and created a script to add the fields to my table.It looked fine in Query Analyzer, but back in Access the fields wereadded to xxx_local and not xxx, the linked table. My forms and reportsare built on xxx, not xxx_local.How do I do this correctly?Jane
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Jan 28, 2008
I am trying to insert some new rows in the table tbl_3, but the problem is that I don't know how to go along with the ID column. I want to insert new rows so that it gets appended at the end and new ID is automatically generated.
Looks like this had to be done while creating the table. The original table has the id assigned as 'Identity', but I have imported this table to my database and now it does not show that property in the ID column.
The Insert code that I am using is as follows and the tbl_3 has same no. of columns except it also has id.
Can I alter table without touching the previous IDs? The ids start at 28118 and ends at 28300.
Code Snippet
INSERT INTO [dbo].[tbl_3]
(3_name
,3_sort
,3_active
,3_display
,3_date)
select _MANUFACTURERNAME , 1, 1, 'True',
GETDATE()
from dbo._MANUFACTURERS where upper(_MANUFACTURERNAME) not in (
select Upper(3_name) from dbo.tbl_3 join
dbo._MANUFACTURERS on Upper(3_name) = Upper(_MANUFACTURERNAME))
And the error it is returning to me is
Msg 515, Level 16, State 2, Line 2
Cannot insert the value NULL into column '3_id', table '.dbo.tbl_3'; column does not allow nulls. INSERT fails.
The statement has been terminated.
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Mar 18, 2008
hi,
i have table having just two columns. One of columns is defines as nchar(5).
Want to alter table like
ALTER TABLE [dbo].[TestTable] ALTER COLUMN [Something] [nchar] (2)
COLLATE Latin1_General_CI_AS NOT NULL
GO
?
This script runs without problem till i have no data in table. When i add one row, this script fails with
Msg 8152, Level 16, State 13, Line 1
String or binary data would be truncated.
The statement has been terminated.
When i change the table in design mode, it says that data will be truncated and do the change (with truncating).
So is there any possibility (a switch or whatever) to update this table by script with letting engine truncate data?
Thanks for any response
Lubos
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May 29, 2008
Is it possible to add a column after another (insert a column) in Sql Server 2005 or Sql Server 2008 ? If yes what is the query?
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Nov 7, 2007
Hi All !
I have a table 4 columns ; columns not null !
how to drop constrain not null ?
Thank !
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Jun 13, 2008
Hi
I need to alter a SQLServer table. I use the following codeDim conn As SqlConnection
Dim comm As SqlCommandDim connectionString As String = ConfigurationManager.ConnectionStrings("juizonline").ConnectionString
conn = New SqlConnection(connectionString)comm = New SqlCommand("alter table problemas add teste varchar (25))", conn)
conn.Open()
comm.ExecuteNonQuery()
conn.Close()
But i get the error:
Incorrect syntax near ')'.
Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code. Exception Details: System.Data.SqlClient.SqlException: Incorrect syntax near ')'.Source Error:
Line 85: comm = New SqlCommand("alter table problemas add teste varchar(25))", conn)
Line 86: conn.Open()
Line 87: comm.ExecuteNonQuery()
Line 88: conn.Close()
Line 89: End Sub
Any help?
Thank you
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May 18, 2001
I need to alter a table (expand the column size for varchar(10) to varchar(255)) and the table has 200 million rows.
Please suggest me the best and the fastest method to achieve it. The database is on SQL 7.0
Thanks
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