Need Script To Modify A Formula Column Into Normal Column With Default Value.

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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TSQL - Using ALTER TABLE - ALTER COLUMN To Modify Column Type / Set Identity Column

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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May 28, 2008

Hi

I Created table like this
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I inserted three records like this
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INSERT INTO hazarath VALUES (2,'ragavRavo')
INSERT INTO hazarath VALUES (3,'ramu')

Now i want to alter sno column to identity column
how can i alter to identity
pls help me

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Jul 20, 2005

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Jul 20, 2005

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Sep 19, 2005

Hi,I'm struggling to get a calculated column to work in sql, the fields to be calculated are:[AdRevenue_a] money[Admissions_a] int[DoorPrice_a] smallmoney[DoorSplit_a] moneyAnd the calculation I require is:(AdRevenue_a / ( (Admissions_a * DoorPrice_a) - DoorSplit_a )) * 100This is what I think it should be but it doesn't work...convert(decimal(6,2), ((AdRevenue_a / ((Admissions_a * DoorPrice_a) - DoorSplit_a))*100) ))Any suggestions??

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Jul 29, 2004

Can anyone please explain what a valid column formula would look like please?

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tia
fatherjack

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If i've misunderstood what I am meant to do somebody please please tell me. Thanks

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Nov 15, 2007

I am trying to do the following.
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Thanks
Hope my question is clear enough.

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Thanks,

Mable

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Apr 24, 2007

Good day!

What is the syntax on calling a function from a column formula in an MS SQL table.

I created a table, one column's value will be coming from a function. And at the same time, I will pass parameters to the function. How do I do this? Is this correct?

SELECT dbo.FunctionName([Parameter1, Parameter2])

But i can't save the table, "Error validating the formula".

Pls. help
Thanks a lot.

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May 25, 2011

I'm trying to write a query that will display the formula for a computed column in SQL Server 2008R2.

I have looked here: [URL] ....

and it say (at least I think) that I can look at the Formula property of COLUMNPROPERTY like this:

SELECT COLUMN_NAME ,
COLUMNPROPERTY(OBJECT_ID(TABLE_NAME),COLUMN_NAME,'IsComputed'),
COLUMNPROPERTY(OBJECT_ID(TABLE_NAME),COLUMN_NAME,'Formula'),
COLUMNPROPERTY(OBJECT_ID(TABLE_NAME),COLUMN_NAME,'IsDeterministic')
FROM INFORMATION_SCHEMA.COLUMNS
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I know the column is computed and I can see the formula in SSMS. I wanted to do this in T-SQL. How to get this value?

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Sep 13, 2007

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It works in a straight select query, but when I put it in the formula of the table design window, I get an error "Error validating the formula for column 'test_fci'"

I don't know if it's relevant but repl_value is itself a computed column with the formula:

(repl_value_e_g + repl_value_aux)

Is it possible to use the system functions in a computed column? If not, how would I pass those values into a udf and use it for the formula?

Thanks.

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I initially modified the column 'ID' from not allowing NULL to allow, and saved it. But now I will like to change it back to 'not allow'. But it gives me the following error message when I try to save my changes:

'Pages' table
- Unable to modify table.
Cannot insert the value NULL into column 'ID', table <databasename>.Tmp_Pages'; column does not allow nulls. INSERT fails.
The statement has been terminated.

Is there a way I can work around this?

Using sql 2005

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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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Hello,
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So the formula can be :
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Is it possible?
We can call 2 fields from a other table?

Thank you

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Hi,

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Thanks
Lakshmi.S

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Dec 31, 2005

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ex. of data
current desired
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435.0 leave as is
general txt leave as is

having trouble updating data in table
tried using temp table, but update command make it so it won't see table

ex. piece of code
update currency_conversion
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select * from currency_conversion
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sql 2000
trying to do from query analyzer

thanks
glnsk8ter@yahoo.com

thanks
Glenn

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Feb 26, 2007

Hi,

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I know I'm supposed to do something like this:
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My main concern is, what will the database do to all the data in the column, if the column used to be, say nvarchar(50)? Will I lose the data in the column if I change the datatype? And what if I had data in this column that was longer than 20 characters? Will the data now be truncated? What can I do to make sure that nothing happens to the data once I change the datatype?

Any help would be greatly appreciated! Thanks! =)

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07J06274
05J03254
04J11245

I need to modify the data in the column to look like this:

..images7J06274.jpg
..images5J03254.jpg
..images4J11245.jpg

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Thanks for all your guys' help. This is the last question for the day. I promise

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Please solution.

Thank.

PC Kaveesin.

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Jun 3, 2007

Hello,

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This column now needs to be changed to a DateTime datatype. (Don't ask me it was not set
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However, I have to change this column to a DateTime without destroying the data.

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Currently the data is displayed like this in this column dd/MM/yyyy i.e. 25/8/2007.

The method I am using to try and change this is by going to studio management clicking
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I get this following error message:
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Arithmetic overflow error converting expression to data type datetime.
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Any suggestions would be most grateful,

Thanks,

Steve

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