Can't Drop Column That Has A Default
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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Jul 1, 2004
What's query dropping Default value constraint from a column?
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May 11, 2005
Hi:
I need to change a column's datatype from tinyint to int as follows:
alter table tableName
alter column column1 int
but with error <<'DF__LandMarks__color__6A50C1DA' is depending on it.>>
However, this old default is not part of the constraint. Thus, the only way is to delete it from sysobjects.
unfortunately, the following code I have to commented since they could only be executed line by line, not within a begin...end block.
--exec master.dbo.sp_configure 'allow updates', 1
--reconfigure with override
--delete from sysobjects
-- where name = 'DF__LandMarks__color__6A50C1DA'
-- and type = 'D'
--exec master.dbo.sp_configure 'allow updates', 0
--reconfigure with override
I need to update 10 server around 2500 databases with this change.
I have looked INFORMATION_SCHEMA related views, but not found default related, maybe I missed something.
thanks
David
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Oct 21, 2014
I have a drop down list that is populated by a stored procedure which has two int parameters (ID, STATUS). I need to default the drop down list to a value in the database that is associated to the ID & STATUS parameters.
The problem I am having is that it only works if the selected value is the first record on the drop down list. for any other records (outside the first record) from the drop down list i get "The 'SelectedIndex' and 'SelectedValue' attributes are mutually exclusive."
Here is the stored procedure I am using to populate the drop down list:
ALTER PROCEDURE [dbo].[usp_SelectName]
(
@pId Int,
@pStatus Int
)
AS
BEGIN
IF @pId = -1 --THIS VALUE IS USED AS DEFAULT (NOT POSTBACK)
[Code] ....
Here is the TABLE_NAMES that holds the data for the drop down list:
IN_ID IN_NAMESTATUS
6 New 0
4 Generic 0
3 Local 1
4 Storm 0
This is the TABLE_2 that holds the complete collected FORM data that has the selected record IN_ID from the TABLE_NAME:
ID STATUS IN_ID
111906
114406
114505
114606
114706
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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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Mar 29, 2001
I have a table called test with 4 fields namley studentname, Mark1, Mark2, total (formula column).
Created table test in the following structure,
create table test (studentname varchar(50), Mark1 numeric, Mark2 numeric, total as ([Mark1]+[Mark2]))
Now I need to drop formula nature of this column total and assign default value '0'. I like to know how to do it using T-Sql script.
Thanks for your help in advance.
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Mar 11, 2015
when creating a new table. How can I set the default value of the column to equal the value of another column in the same table?
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Feb 14, 2000
Does anyone know why this does not work?
ALTER TABLE deal DROP COLUMN TestField
Server: Msg 170, Level 15, State 1, Line 1
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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Apr 6, 2015
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
How to drop single column in a table.........
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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
That's why I can't delete them by simple command
I expect to delete them by specific column instead of specific constraint name which is not sure name.
Please advise me....
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Aug 2, 2001
Hi all,
how can I drop a column in a table.
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Dec 13, 2007
Hi all!
One more question: how can i drop a column from a table?
Greetings
landau
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Jul 20, 2005
Hello,I'm just returning to MS SQL Server after two years of dealing withSybase ASE. I need to drop a column, using the alter table command.I keep getting an error indicating that a constraint is using thecolumn. Here is the create script for the tablecreate table mytable(col1 char(1) not null,col2 char(1) default 'A' not null)Here is the alter table command:alter table mytable drop column col2When I run it I get the following error:Server: Msg 5074, Level 16, State 1, Line 1The object 'DF__mytable__col2__114A936A' is dependent on column'col2'.Server: Msg 4922, Level 16, State 1, Line 1ALTER TABLE DROP COLUMN col2 failed because one or more objects accessthis column.Is there anyway to tell the database to drop all column constraintswhen the column is deleted?Thanks,James K.
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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
I am trying to drop a column that has a constraint, executing the script inside a transaction:
BEGIN TRANSACTION
ALTER TABLE MOPTeste DROP CONSTRAINT FK_IDMOPPais
ALTER TABLE MOPTeste DROP COLUMN IDMOPPais
COMMIT
If i dont commit the drop constraint, it wont let me drop the column
Solutions?
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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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May 24, 2005
Is there a way to remove the Identity property of a column in SQL Server 2000?
The statement:
<code>
ALTER TABLE <table name> ALTER COLUMN <column name> DROP IDENTITY
</code>
returns a syntax error.
Thank you,
Jeff
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May 5, 2014
I am very new to sql and I have got this doubt.
CREATE TABLE employee
{ EMP-ID VARCHAR UNIQUE,
DESIG VARCHAR UNIQUE,
SALARY INT };
Probably this is worst table ever created :).Now How to drop UNIQUE constraint on only column lets DESIG.
if i write
ALTER TABLE employee
DROP CONSTRAINT myuniqueconstraint;
will drop constraints on both columns which I dont want.
Any query that remove UNIQUE CONSTRAINT only on DESIGN column.
and one more clarification,
ALTER TABLE employee
MODIFY SALARY INT NOT NULL;
ALTER TABLE employee
ALTER COLUMN SALARY INT NOT NULL;
which of the above two is right query to add NOT NULL constraint to the above employee TABLE?
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Jul 23, 2005
I have a huge table in it own tablespace (250 GB). I just deleted more thanhalf of the columns in that table, but I didn't see any change in allocatedspace. I did DBCC CLEANTABLE and DBCC SHRINKFILE, but nothing. MS also saysthat CLEANTABLE only reclaims space for columns with text, char datatypes.How can I get space back for integer, decimal, number datatypes? I'm justall out of ideas.
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Aug 30, 2007
I need to know definitively when I need to drop and recreate column statistics (histogram) when altering a column. Empirically, it seems I can lengthen a varchar or change a not null column to a nullable one, and then existing statistics dont' cause
Msg 5074, Level 16, State 1, Line 1
The statistics 'c1' is dependent on column 'c1'.
Msg 4922, Level 16, State 9, Line 1
ALTER TABLE ALTER COLUMN c1 failed because one or more objects access this column.
But, if I change a column to not nullable or shorten a column, I get the error.
Is this the complete description of when I need to drop and recreate column statistics and when I don't?
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Mar 25, 2006
Need help with admin scripts.
Have written stored procs to insert/update/drop column extended props but can't quite figure out how to drop all extended props for a particular table::column.
Tried stored proc to cursor on result
fn_listextendedproperty
but couldn't get that to work.
Where are xtended props stored in db?
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Apr 18, 2008
Is there any way to remove the IDENTITY property of a column? I originally used it, but it caused so many headaches with ADO.NET that I've decided to just increment the darn things manually. So I want to turn it into just a normal integer column.
If there's no direct way, can someone suggest a quick way to create a new column, copy all the old values into the new column, change the primary key to the new column, and drop the old column?
Thanks.
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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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Feb 16, 2015
I am looking for standard sql code for below 2 concern.
1- I want to drop the column Rowchecksum to all the table where table name start with ArchiveBbx
2-I want to update all the table where table name start with ArchiveBbx
example:-
Update table Archivebbxfbcc
set Rowchecksum=HASHBYTES('MD5', CAST(CHECKSUM(Col001, Col002, Col003, Col004) AS varchar(max)))
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Jun 9, 2015
How to drop the unique key column in sql.
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Jun 9, 2015
How to drop the primary key Column in Sql and How to drop Primary key Constraint From Column at Table in Sql.
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Apr 25, 2015
I have a SQL Server 2005 DB in which a design change requires me to drop a column.Is there a way of identifying all references in the DB including functions & stored procs's that reference this column? I understand there are 3rd party products that can do this but was wondering if there was something baked into SQL Server itself.
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May 27, 2015
How can I pervert dropping the column in the table (probably some process doing that and I want to find it) ? I need to be able to modify but not alter / drop column .
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Nov 21, 2006
For reasons that are not relevant (though I explain them below *), Iwant, for all my users whatever privelige level, an SP which createsand inserts into a temporary table and then another SP which reads anddrops the same temporary table.My users are not able to create dbo tables (eg dbo.tblTest), but arepermitted to create tables under their own user (eg MyUser.tblTest). Ihave found that I can achieve my aim by using code like this . . .SET @SQL = 'CREATE TABLE ' + @MyUserName + '.' + 'tblTest(tstIDDATETIME)'EXEC (@SQL)SET @SQL = 'INSERT INTO ' + @MyUserName + '.' + 'tblTest(tstID) VALUES(GETDATE())'EXEC (@SQL)This becomes exceptionally cumbersome for the complex INSERT & SELECTcode. I'm looking for a simpler way.Simplified down, I am looking for something like this . . .CREATE PROCEDURE dbo.TestInsert ASCREATE TABLE tblTest(tstID DATETIME)INSERT INTO tblTest(tstID) VALUES(GETDATE())GOCREATE PROCEDURE dbo.TestSelect ASSELECT * FROM tblTestDROP TABLE tblTestIn the above example, if the SPs are owned by dbo (as above), CREATETABLE & DROP TABLE use MyUser.tblTest while INSERT & SELECT usedbo.tblTest.If the SPs are owned by the user (eg MyUser.TestInsert), it workscorrectly (MyUser.tblTest is used throughout) but I would have to havea pair of SPs for each user.* I have MS Access ADP front end linked to a SQL Server database. Forreports with complex datasets, it times out. Therefore it suit mypurposes to create a temporary table first and then to open the reportbased on that temporary table.
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Dec 19, 2000
I have a table with a identity column in sql server 7 database. Now i need to update this identity column. Directly i couldn't able to update this column since it is an identity column. So, i like to drop this identity nature first and then update it is easy to update it. For this purpose, I need a Transact-sql script. Please Let me know if you have any thoughts on this. Thanks.
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Dec 29, 2014
My question: Is it okay to drop all the auto generated column statistics? (for the following scenario)
- I am cleaning up unnecessary objects (tables, unused indexes, overlapping statistics etc) from databases and found out there are more than 1400 auto generated column statistics on one database (lets call it A).
- Database A was used to be our reporting database but from last several years we are using database B for reporting. DB A has all the historical data while DB B only has valid records.
- We are updating all the column statistics with full scan nightly on database A and it is talking almost 2.5 hours to do that. Now I want to drop all the "unnecessary" statistics those were created when DB A was reporting database and they are no longer in use. There is no way to know the creation date of the column statistics that I know of. Statistics "last update date" is of no use because of our nightly job. So I was thinking of dropping all the auto generated column statistics and let the sql server create as it needs from now.
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