Alter Table Add Column - How Do You Add A Column After Say The Second Column
Jul 11, 2007
When you use "Alter Table add Column", it adds the column to the end of the list of fields.
How do you insert the new column to position number 2 for instance given that you may have more than 2 columns?
Create table T1 ( a varchar(20), b varchar(20), c varchar(20))
Alter table add column x varchar(20)
so that the resulting table is
T1 a varchar(20), x varchar(20), b varchar(20), c varchar(20)
Can this be done programmatically?
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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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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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Aug 3, 2006
i have a table
table1
column1 int not null
column2 char not nul
column3 char
i want to script a change for table1 to alter column1 to be the table identity column. not primary.
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Oct 29, 2001
I ran this query against the pubs database and it runs successfully
ALTER TABLE publishers ALTER COLUMN state CHAR(25)
I change the table & field names for my db as follows:
ALTER TABLE customquery ALTER COLUMN toclause CHAR(25)
and run against my database and I get the following error - Incorrect syntax near 'COLUMN'.
My column name is correct - I don't know why it would run fine against pubs, but not my db. I do not have quoted identifiers turned on. I have tried using [] around my column name [toclause], but that didn't change anything. Any help would be appreciated.
Thanks.
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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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Jul 23, 2005
I have a table with a column defined thus: LOCNumber Varchar(100) in atable called Bookdata.If I execute ALTER TABLE BookData ALTER COLUMN LOCNumber varchar(100)on the table, does any work get done on the table and column?Or does SqlServer know that the column is already varchar(100) andnothingneeds to be done?If it does do some work, how do you tell it not to run this as it isalready a varchar(100) column. Right now my program just blindly doesthis ALTER TABLEstatement regardless of any conditions. Is this a potential problem?Thanks for any help.
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Jun 14, 2006
if i have structure of table like a,b,c,d,e column then
i want to alter one more column x b/w b and c column, so that
a,b,x,c,d,e
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May 16, 2006
Well here's one of those excruciatingly simple obstacles:
In SQL Server 2005 (Mgmt Studio): according to BOL, the syntax to set a default value for an existing column is:
ALTER TABLE MyCustomers ALTER COLUMN CompanyName SET DEFAULT 'A. Datum Corporation'
However, when I Check:
alter table CommissionPayment alter column Amount Set Default 0
I get the error message:
"Incorrect syntax near the keyword 'Set'."
No other combinations of this syntax work.
Help! What am I missing?
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Sep 27, 2005
I have the table table_x:
col1 INT PRIMARY KEY
col2 VARCHAR
I want to add col3 between col1 and col2. In MySQL it's done with the following query:
ALTER TABLE table_x ADD col3 VARCHAR( 10 ) NOT NULL AFTER col1 ;
In sql server all i can do is to add the column to the end of table. Is there a way to insert a new column in the middle or to move a column to left/right?
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Feb 20, 2008
I would like to alter a table column from char(10) to char(5). I issue the command as :
Alter table mytable alter column mycolumn char(5)
It returns :
Server: Msg 8152, Level 16, State 2, Line 1
String or binary data would be truncated.
How can I perform this task?
Thanks,
Joe.
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Nov 17, 2006
Hifor MS SQL 2000/2005I am having a table (an old database, not mine) with char value for the column [localisation]Users[name] [nvarchar] (100) NOT NULL ,[localisation] [nvarchar] (100)NULLNow i have created a table [Localisation]Localisation[id_Localisation] [int] NOT NULL,[localisation] [nvarchar] (100) NOT NULLI am adding a new column to UsersALTER TABLE [Users] ADD [id_Localisation] int NULLand I want to update the Column [Users].[id_Localisation] before to drop the column [Users].[Localisation]something like UPDATE [Users] SET id_Localisation = (SELECT Localisation.id_LocalisationFROM Localisation FULL OUTER JOINUsers ON Localisation.Localisation = Users.Localisation)Users.Localisation can have a NULL value (then no id_localisation return)but it doesnt work because it returns > 1 rowthank youhow can I do it ?
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Jul 9, 2014
I'm trying to add a column trough command "ALTER" and I've tried in many different ways.
Here is the result of statement..
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Oct 6, 2014
I am having a problem adding new column to a table via SQLCMD . Here is the code
:r ServerParam.sql
:connect $(sqlServer) -U $(sqlUser) -P $(sqlPass)
DECLARE @cmd varchar(5000)
DECLARE @SServer varchar(1000)
DECLARE @database varchar(1000)
DECLARE @tableName varchar(500)
[Code] ....
When I am running this script, it creates the database and the table but when I am trying to add the last to field vi
ALTER TAABLE ADD
I am getting error
----------------------------------------------------------------------
C:CalJobsSQLCMDSQLScripts>SQLCMD -v subgt=SJI txtFile=LTS_ERROR_10022014.TXT
tblName=LTS_ERROR_10022014 -i CreateErrorTableSQL.sql
Sqlcmd: Successfully connected to server 'VULCAN'.
------------------------------------------------
Start processing Table: CalJobsErrors.dbo.SJI_LTS_ERROR_10022014
------------------------------------------------
[Code] ....
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Apr 25, 2015
How to set a default value to columns in table ..without dropping it.??
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Jul 20, 2005
Is it possible to add a column to a table using the "alter table"statement and specify where in the sequence of columns the new columnsits. If not is there any way to alter the order of columns using TSQLrather than Enterprise Manager / Design Table.TIALaurence Breeze
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Sep 26, 2006
This has always puzzled me, so I really just wanted to know if it's possible through T-SQL.
TableA has 3 columns:
ColumnA
ColumnB
ColumnD
Is there anyway through T-SQL to add a new ColumnC *between* ColumnB and ColumnD.
ALTER TABLE TableA
ADD ColumnC [varchar](1)
Thanks.
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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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Apr 11, 2001
1. We have user defined type (Sql type = bit ) with rule setting it to 0
2. New column(isVIP) was created using this user defined type
3. sp_unbindrule was used to unbind rule from new column (isVIP)
4. Alter table Client drop Column isVIP !!!! (invalid syntax )
Any ideas ?
Thanks
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Apr 1, 2006
In MS SQL Server, I have the following tables with some data in it.create table table1 (column1 varchar(32),column2 int not null,column10 varchar(255),.....primary key (column1, column2),);create table table2 (column1 varchar(32),column2 int not null,column20 varchar(255) not null,....foreign key (column1, column2) references table1(column1, column2));Now, I need to change the all column types from varchar to nvarchar tosupport internationalized character set.I am able to do so, for columns column10 in table1 and column20 oftable2 without any problems by using command:"alter table table1 alter column column10 nvarchar(255);"But, when I try the similar thing for column1 of table1/table2, amgetting one error message saying like: "ALTER TABLE ALTER COLUMN failedbecause one or more objects access this column". I guess, this iscoming because of foreign key relationship between the tables.NOTE: While defining the table2, for foreign key I have not specifiedanything like "on update cascase" ...etc.How can I resolve this issue? Any suggestions/solutions are reallyhelpful to me. Thanks in advance.
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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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Feb 14, 2000
Hello all,
I am trying to add columns to several tables in a singular database. I want to check to see if the column exists in a given table first before executing the alter table command so that I can skip that command if the column already exists, and avoid aborting my script prematurely. I can't seem to find a way to check for the column's existance. Any suggestions?
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Oct 27, 2015
I want to alter my all tables to change the name of all columns.
Â
I need this because all column names were created with space and I want to remove the space for future work .
For example – In Table Customer there is a column name [Cust_Id ] and I want to change it with [Cust_Id]
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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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Jun 3, 2015
I inherited a system which has an index on a set of columns which allow more than 900 bytes of data in it. We know one of the fields can be shortened to shrink the potential key size below 900 bytes.
The problem is the table is about 120m rows, and the index currently on that column is seeked (sought?) on about 2.5m times a day.
At its simplest, I want to drop the existing index, alter the column to shrink the varchar size, and then rebuild the index on the newly shortened column.
On a smaller, less used table, I might just do this in outside of business hours and call it a day, but I'm concerned that this will take a long time and block a lot of operations.
1) IIRC, shrinking a column, unlike widening it, is much more expensive, even if there are no values which would actually end up trunacted. Is this right?
2) I did a few tests on some other smaller (2+ m) row tables and was still able to select data out of the table. I don't think this covered all the read scenarios, but are there known scenarios which would simply not work during an index build?
3) I haven't yet tried DML operations to the table while it's doing either the column update or an index build. what scenarios would or would not be blocked?
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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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Jul 28, 2015
I have a excel file which has a column called "Code" and their values are A,B,C,D,E,F,G,H. I want to create a new column called "status" based on the values of "Code".
Code:
A
B
C
D
E
F
G
H
If A,C,E,G then "status" = "Active" else if B,D,F,H then "Status" = "Inactive". I like to do it using "Derived Column".
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Feb 14, 2008
Working on partitioning a few large tables. One of the tables included a text column and the €œTEXTIMAGE_ON [PRIMARY]€? clause which would prevent the partitioning of this table. After some research we found that the data was legacy and no longer used. We updated the column on the affected rows to NULLS and altered the column to a VARCHAR(20)
When I attempted to run the ALTER TABLE SWITCH I encountered the error
Msg 4947, Level 16, State 1, Line 1
ALTER TABLE SWITCH statement failed. There is no identical index in source table 'LocalDeltanet.dbo.testresultsjoe' for the index 'PKIDX_testSummary' in target table 'LocalDeltanet.dbo.testresults_part'.
After a lot of grief and testing I determined that the message was bogus and the real issue is that the 'sys.tables' still has €œlob_data_space_id€? with a value of 1 for this table.
I created a copy of the table with the text column altered to varchar and one with just the varchar to begin with. After copying data from the original table, I tried to run the alter switch. It failed once again for the text column altered to varchar table, but it worked for the varchar from the start.
Since it appears that this value is causing my issues, is there anyway to update the table in place. I know I can BCP the data out, but that would take too long and would defeat the advantage of using the alter switch method.
BOL States:
The allow updates option is still present in the sp_configure stored procedure, although its functionality is unavailable in Microsoft SQL Server 2005 (the setting has no effect). In SQL Server 2005, direct updates to the system tables are not supported. This means we cannot update the table manually.
Thanks
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Nov 12, 2012
I am trying to exclude records from a table where the ID column is the same but the Mail code Column is multi-valued.For Example: (the table looks like....)
ID Mail_code
111111 XNT
111111 N11
111111 XNC
222222 XNC
222222 XNL
333333 XNC
So, if there is any ID that has a value of XNC, I want to exclude the ID all together from my output regardless of the other values.
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May 26, 2014
I got a sales cost and cost amount table for my budget. the sales cost table is getting updated with FOBB items which makes the total incorrect . the FOBB values needs to be moved from the sales cost column to the cost amount column. how can i do it with an SQL script.
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May 3, 2007
I receive this message when I try to run any report. The reportserver and reportservertempdb databases were upgraded using backup/restore from SQL2000 to SQL2005 on a separate server which is running RS2005 . Please help. Thanks
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Oct 14, 2015
I have the following table
Table Name EmployeeInformation
EmployeeID EmployeeFirstName EmployeeLastName
  1       |John            |Baker
  2       |Carl             |Lennon
  3       |Marion           |Herbert
Table Name PeriodInformation
PeriodID PeriodStart PeriodEnd
  1     |1/1/14    |12/30/14
  2     |1/1/15    |12/30/15
[code]...
I want a query to join all this tables based on EmployeeID, PeriodID and LeaveTypeIDÂ sum of LeaveEntitlement.LeaveEntitlementDaysNumber based on LeaveTypeID AS EntitleAnnaul and AS EntitleSick and sum AssignedLeave.AssignedLeaveDaysNumber based on LeaveTypeIDÂ Â AS AssignedAnnaul and AS AssignedSick and subtract EntitleAnnaul from AssignedAnnual based on LeaveTypeIDÂ Â AS AnnualBalance and subtract EntitleSick from AssignedSick based on LeaveTypeIDÂ Â AS SickBalance
and the table should be shown as below after executing the query
EmployeeID, EmployeeFirstName, EmployeeLastName, PeriodID, PeriodStart, PeriodEnd, EntitleAnnual, AssignedAnnual, AnnualBalance, EntitleSick, AssignedSick, SickBalance
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