Bulk Inserting Into Table With Computed Columns

Jul 20, 2005

Using SS2K, I'm getting the following error while bulk inserting:

Column 'warranty_expiration_date' cannot be modified because it is a
computed column.

Here is my bulk insert statement:

BULK INSERT dbo.TestData
FROM 'TestData.dat'
WITH (CHECK_CONSTRAINTS,
FIELDTERMINATOR='|',
MAXERRORS = 1,
FORMATFILE='TestData.fmt')

The computed column is not referenced in the format file and the data file
does not contain the computed data.

Thanks

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Table Size And Computed Columns

Jul 23, 2005

In SQL Sever, do the size of computed columns gets added to the totalsize of the tables? Does SQL server stores the actual values incomputed columns?Thanks_GJK

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Skip Field Terminator While Inserting Data To A Table-Bulk Insert

Oct 10, 2007

Hi,
I have a data file which consists of data as below,
4
PPU_FFA7485E0D||
T_GLR_DET_11||

While iam inserting into table using bulk insert, this pipe(||) is also getting inserted into the table,
here is my query iam using to insert the data using bulk insert.

BULK INSERT TABLE_NAME FROM FILE_PATH
WITH (FIELDTERMINATOR = ''||'''+',KEEPNULLS,FIRSTROW=2,ROWTERMINATOR = '''')

Can any one help on this.

Thanks,
-Badri

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Inserting Columns To A Table At A Particular Position

Jun 26, 2001

Hi,

Does anyone know if it is possible to add a column to a table at a particular position. The ALTER TABLE statement specifies that an ADD COLUMN puts this on the end of the table. Is there a way to insert into the middle of the table?
Alternatively, can it be done through SQL-DMO?

Obviously the fallback would be to drop and re-create the table with the correct column ordering, however this is not ideal for tables with large amounts of data.

It's possible to do this through Enterprise Manager (using Insert Column), so how does it do it - DMO, or by dropping and re-creating?

We're building a database schema upgrage tool and are trying to cover all possibilities.

Thanks,
Steve Jenkins.

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Bulk Insert Into Table With More Columns Than Data Within File

Jun 17, 2007

Hey all

I have a bulk insert situation that would be nice to be able to pull off. I have a flat file with 46 columns that are to go into a table. The table, I want to have a 47th column to be updated later on by means of a stored proc saying if the import into the system was sucessful or not. I have the rowterminator set as '"' thinking that would tell SQL to begin on the next row, leaving the importstatus column null but i still receive an error.

First of all, is this idea possible within this insert statement. Secondly, if so, what would be the syntax to tell the insert statement to skip that particular column. It is the last column listed in the table so it just needs to start on the next row after it inserts the last bit of data in the flatfile.

If this is not possible, is it possible to bulk insert into a temp table?

Thanks

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Split A Column String-value Into Multiple Columns / Inserting In Another Table

Aug 14, 2012

I have a table with a string value, where all values are seperated by a space/blank. I now want to use SQL to split all the values and insert them into a different table, which then later will result in deleting the old table, as soon as I got all values out from it.

Old Table:

Code:
ID, StringValue

New Table:

Code:
ID, Value1, Value2
Do note: Value1 is INT, Value2 is of nvarchar, hence Value2 can contain spaces... I just need to split on the FIRST space, then convert index[0] to int, and store index[1] as it is.

I can split on all spaces and just Select them all and add them like so: SELECT t.val1 + ' ' + t.val2... If I cant find the first space that is... I mean, first 2-10 characters in the string can be integer, but does not have to be.Shall probably do it in code instead of SQL?Now I want to run a query that selects the StringValue from OldTable, splits the string by ' ' (a blank) and then inserts them into New Table.

Code:
SELECT CASE CHARINDEX(' ', OldTable.stringvalue, 1)
WHEN 0 THEN OldTable.stringvalue
ELSE SUBSTRING(OldTable.stringvalue, 1, CHARINDEX(' ', OldTable.stringvalue, 1) - 1)
END
AS FirstWord
FROM OldTable

Found an example using strange things like CHARINDEX..But issue still remains, because the first word is of integer, or it does not have to be...If it isn't, there is not "first value", and the whole string shall be passed into "value2".How to detect if the very first character is of integer type?

Code:
@declare firstDigit int
IF ISNUMERIC(SUBSTRING(@postal,2,1) AS int) = 1
set @firstDigit = CAST(SUBSTRING(@postal,2,1) AS int)
ELSE
set @firstDigit = -1

[code]....

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Computed Columns

Jul 4, 2007

Is it possible to get a Computed column in one table to carry out a SELECT & SUM from a column in another table? I have tried a SELECT / FROM / WHERE construct but SQL complains about that.
Regards
Clive

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Computed Columns...

May 20, 2008

I am working with data that has a lot of records that get updated and inserted frequently, and to avoid having to create formulas through code all over the place, I am experimenting with computed column formulas. I have a question though.. It works well for any addition or subtraction (columnA+columnB), however, when I try to use division (columnA/columnB), it only returns integers, no decimals. I would like to have decimals, particularly with a specific scale and precision and I would really like to attempt this without any coding. Any suggestions?

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Computed Columns

Oct 31, 2003

I have a table with fields called fname (First Name) and lname (Last Name). I need the user�s email thai is compose from lname and fname:
LOWER(LEFT (fname,1) + lname)

Is there any difference between creatig this computed column ia a table or in a view in SQL Server 2000?

I can do:

1. CREATE TABLE Users(
fname varchar(20),
lname varchar(20),
email as LOWER(LEFT (fname,1) + lname) )

Or

2. CREATE TABLE Users (
fname varchar(20),
lname varchar(20))

CREATE VIEW Vw_users (fname, Lname ,
email)
AS
SELECT fname, Lname ,
LOWER(LEFT (fname,1) + lname) )

Is one of them is better?

Paulo

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Computed Columns

Nov 6, 2006

Dear all,
Pls help me with this
I have 2 tables
Trip (TripID, Duration)
Reserve(ReserveID, TripID, StartDay, EndDate)
in which EndDate = StartDay + Trip.Duration
How can I do this?

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Computed Columns

Jul 20, 2005

I have a table with fields called fname (First Name) and lname (LastName). I need the user�s email thai is compose from lname and fname:LOWER(LEFT (fname,1) + lname)Is there any difference between creatig this computed column ia a tableor in a view in SQL Server 2000?I can do:1. CREATE TABLE Users(fname varchar(20),lname varchar(20),email as LOWER(LEFT (fname,1) + lname) )Or2. CREATE TABLE Users (fname varchar(20),lname varchar(20))CREATE VIEW Vw_users (fname, Lname ,email)ASSELECT fname, Lname ,LOWER(LEFT (fname,1) + lname) )Is one of them is better?Paulo*** Sent via Developersdex http://www.developersdex.com ***Don't just participate in USENET...get rewarded for it!

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Computed Columns

Sep 25, 2006

Hi,

Consider the following example

create table sample

(col1 int,

col2 int ,

col3 AS col1 + col2) PERSISTED NOT NULL)

basically col3 is a computed column. Now when ever a row in col1 or col2 is updated the computed column will reflect the new value. how does this happen in the background. does this use row level triggers or what other mechanism is used to maintain col3 - computed column

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Transact SQL :: How To Bulk Insert Rows From Text File Into A Wide Table Which Has 1400 Columns

Feb 3, 2010

we can easily load a file into db tables. However, my main concern here is the number of columns in the file. A text file TEXT_1400.txt has 1400 columns. I am unable to load data to my db table using BCP or BULK INSERT commands, as maximum of 1024 columns are allowed per table in SQL Server 2008.

We can still go ahead and create ‘Wide Table’ (a special table that holds up to 30,000 columns. The maximum size of a wide table row is 8,019 bytes.). But when operating on wide table, BCP/BULK INSERT commands still fail. After few hours of scratching my head over BCP and BULK INSERT, I observed that while inserting BCP/BULK INSERT commands are unable to identify SPARSE columns and skip these columns, which disturbs column mapping and results in data conversion and trancation errors.

Is there any proper way to load this kind of files into the db table?

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Computed Columns Or UDFs

Jul 8, 2004

Hi,

What is the difference between a computed column and a UDF?
Is a computed column the same as the "Formula" field under Design Table in Enterprise Manager?
Also, what is the proper syntax for the Formula field? Can I use regular SQL on it or is there more to it?

thanks,
Frank

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Computed Columns And Constant

Aug 22, 2006

Hi, I have a small problem with my database. I've got following situation: I have a computed column, which value is base on currency rate: rent * rate. Users have to have possibility to change currency rate easily (maybe another table or constant). Is there any way to create formula, which would compute value properly, via constant or something like this? Or the easiest workaround would be load data into dataset (I'm building asp.net application - database will be very small - couple of hundreds of records) and make calculations programmatically?

Przemek

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Modify Computed Columns Using T-SQL

Oct 8, 2007

Hi,
I have a table with 4 columns let us say A,B,C,D.
column D is computed column with formula A + '-' + B
Now, i want to add one more condition to the formula which looks like "A + '-' + B + '-' + C".

Please let me know how to do this using T-SQL as i cannot open the table in design mode in production server.

Thanks in Advance!!

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Smalldatetime In Indexed Computed Columns

Nov 13, 2001

i have a table containing the column "current month" and "current day" as smallint which contains the number of months since 1900-01-01 and the day of this month. now i want to trnslate this column in a smalldatetime ( not datetime !) value using a computed column and then create an index on that column.

the formula should be:
dateadd(d,[current day]-1,
dateadd(m,[current month],convert(smalldatetime,'1900-01-01'))
)

trying to create an index on this column results in an error message saying
that the formula is nondeterministic or imprecise

removing the convert statement leaving only the date results in a column of type datetime and creating the index works fine

replacing convert(smalldatetime,'1900-01-01') with a column name which has the type smalldatetime also allows to create an index but thats not what i want to do.

it seems that sql2000 thinks a convert from a string to a date is nondeterministic. Is there any possibility to create a const of type smalldatetime without using convert?

Any idea?

(besides this, datediff(d,'yyyy-mm-dd',anydate) is nondeterministic but datediff(d,dateadd(d,0,'yyyy-mm-dd'),anydate) is deterministic. strange...)

and

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Computed Columns In Temp Tables

Jun 25, 2004

I am having a problem with using UDF as part of a temp table computed column. Here's the sample code:
IF EXISTS( SELECT 1 FROM information_schema.routines WHERE routine_name = 'fn_test')
DROP FUNCTION dbo.fn_testGO
CREATE FUNCTION dbo.fn_test( @x int, @y int)
RETURNS INT AS
BEGIN
DECLARE @z INT
SET @z = @x + @y
RETURN @z
END
GO

CREATE TABLE #X
(
x INT,
y INT,
z AS (dbo.fn_test(x,y))
)
I receive the following error:

Server: Msg 208, Level 16, State 1, Line 2
Invalid object name 'dbo.fn_test'.

I do not get this error if I use a regular table.
HELP!

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T-SQL (SS2K8) :: Computed Columns - Max From Other Column For The Same ID?

Jul 25, 2012

Suppose a table being

Create table myTable (ID int, col1 int, col2 int)

I know how to make a computed column being the sum of other column for the same ID e.g. "computed_column = col1 + col2".

Getting the average would be "computed_column = (col1 + col2)/2" But how to get the Max, Min?

Even "Sum(col1,col2)" or AVG(col1, col2) does not work as the formula for a computed column...

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Create View With Computed Columns?

Apr 1, 2015

I have a table that I cannot allow a computed field to exist on (due to a 3rd party software), so I am thinking I could create a view with a computed field that is persistent, is that possible?

the syntax below will not work, I am not even sure if this is possible, but if it can work, that would be great.

I am wanting to get the sum of jetfoot1, 2 & 3 and have the total added up as "total"

create view ViewSumReport as
select JETFOOT1,JETFOOT2,JETFOOT3,(JETFOOT1+JETFOOT2+JETFOOT3)as [total] persisted
from dbo.fielddata
GO

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Mar 19, 2008

I have a checksum calculation as a persisted, indexed computed column on a temporary table that I used to compare against original records to detect changes.

It seems that the update/ insert statements in my procs get out of sync on larger tables (500,000 rows +) with the checksum calculations. The only thing I can think of is that the column calculations are performed asynchronously in relation to the updates/ inserts. This is a problem for me.

Is my assumption correct? If it is, how can I adjust for this, i.e., force the computations to be performed synchronously or wait for the computations to complete before running comparisons?

-Jeremy

___________________________
Geek At Large

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May 26, 2006

I need to create an function similar to the "MATCH" function in Excelthat evaluates a number within a set of numbers and returns whetherthere is a match. I have put the example of what I see in excel in thecheck column. The "0" answer in the result column is in the fourthaccount in the list. Somehow I need to loop through the accountscomparing the result to the total and indicate a match in the checkcolumn. It wouldn't even need to tell me the row number; it could be a0 or 1.account total result check123770266.84124.2112377026131.050 412377026164.38-33.33123770260131.051237702678.7152.3412377167-31.34221.891237716731.34159.211237716738.55152 51237716731.34159.211237716715238.5512377167490.91-300.36123771670190.55123771670190.5512377167-31.3443.341237716731.34-19.341237716738.55-26.551237716731.34-19.3412377167152-14012377167490.91-478.9112377167012123771670121237736347.058412377363131.05012377363-45.38176.4312377363-47.05178.11237736347.0484.0112377363-47.04178.091237736347.058412377363541.11-410.06123773630131.0512377363672.15-541.11237750737.64152.91

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Mar 19, 2008

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Computed Columns Used In Select Statement

Nov 12, 2007

Does tsql allow sth like

Select col1*col2 as ComputedColumn, ComputedColumn + 2 as NewColumn
From T_Table

THis is possible in Access.

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Aug 30, 2007

Hello,
does anyone know a website, where I can read something about the syntax of Computed Columns?
I don't know how to enter the following expression in the computed columns field of MS SQL Server:

When x-y < 0 Then 0 else x-y

Thank you
M-l-G

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Oct 31, 2002

Instead of using Full-Text indices, which I don't like to manage, we've tried to use seperate tables that contain recordID, the word, a count of the word in the parent field and computed column which is the CHECKSUM() of the word column. I indexed the checksum column with a clustered index.

Works great in Query Analyser. But when the ASP page calls it, I get this message:

Microsoft OLE DB Provider for SQL Server (0x80040E14)
INSERT failed because the following SET options have incorrect settings: 'ARITHABORT'.

Same for updates and deletes. The question is how should these SET settings be done? Any ideas would be greatly welcomed.

Thanks
Jason

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How To Insert Data From A File Into Table Having Two Columns-BULK INSERT

Oct 12, 2007

Hi,
i have a file which consists data as below,

3
123||
456||
789||

Iam reading file using bulk insert and iam inserting these phone numbers into table having one column as below.

BULK INSERT TABLE_NAME FROM 'FILE_PATH'
WITH (KEEPNULLS,FIRSTROW=2,ROWTERMINATOR = '||')

but i want to insert the data into table having two columns. if iam trying to insert the data into table having two columns its not inserting.

can anyone help me how to do this?

Thanks,
-Badri

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Bulk Inserting Into Sql Server

Apr 26, 2004

Hello Everyone,

I am currently struggling with a problem bulk inserting data into sql server.

The application I am writing is multi-threaded and downloads about 2000 records every 2 seconds on x amount of threads (depending on bandwidth).

What I would like to do is find a 'friendly' way to insert this data into sql server without hammering the cpu.. I have tried the following with little success.

1, Using a single insert and thread.sleep(x * 20) to allow for massive data input, altough this made the application more stable and lowered cpu usage to very little the data takes about 60 times longer to download and process into the database.

2, Using a SqlDataAdapter and DataSet and updating the database via the .Update method of the data adapter.. Simply this was awful and took forever to process the data into the database.. (Took about 30 seconds to process 2000 records and Command Timeout was high).

3, Using OpenXML in SqlServer and parsing the data as an XML string (nText), although this method is fast its still very CPU intensive. I have to set the command timeouts very high to allow for this approach (because of the multi-threaded nature of the app).

Does anyone have any idea's on a cpu friendly approach to this problem ??

Thanks in advance..

Gary.

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May 21, 2008

Hi,

hope this is the right forum for this...

I'm using asp.net and the SqlBulkCopy command to insert a few lines of data into a table. I have the SqlBulkCopyOption.FireTriggers set, and a simple trigger on the table to take the inserted data and update a couple of other tables. Works fine if I only insert one record, but as soon as there are multiple records it fails.

So I presume that the trigger isn't firing on every line, but only once when the bulk insert is done?

Am I missing a trick? I can post some code if it will help - I'll have to get a screengrab of the error too.

cheers

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Bulk Inserting A .dat File

Aug 19, 2007

The following produces no errors, but does not place any rows in the table:

USE MoneyManager
GO
BULK INSERT DailyPrices
FROM 'C:DownloadsSecuritiess20070105.dat'
WITH
(
firstrow = 2,
formatfile = 'C:DownloadsDailyPrices.fmt',
errorfile = 'c:downloadsprice_error_file.txt'
)

select *
from DailyPrices

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Oct 10, 2007

Hi at all,I'm trying to bulk insert a uniqueidentifier column from unicode file.In my file I have guid generated from c# application and they areformatted in this way (separated by "|") :guid | field1 | field2fc0c0c42-438e-4897-96db-8b0489e873ef|field1|field2In my destination table I have three column:id (uniqueidentifier)field1 (nvarchar)field2 (nvarchar)I use in bulk insert a format file like this :9.031SQLNCHAR00"|"1IDLatin1_General_CI_AS2SQLNCHAR00"|"2Field1Latin1_General_CI_AS3SQLNCHAR00"|"3Field2Latin1_General_CI_ASand I use this scriptBULK INSERT [dbo].[KWTA2] FROM 'd:WTA2.txt'WITH (FORMATFILE = 'd:wta2Format.FMT')It doesn't work, it prints outMsg 8152, Level 16, State 13, Line 2String or binary data would be truncated.I've also tried to specify in FMT file SQLUNIQUEID instead of SQLNCHARand it works perfectly but it imports another data. For example theguid fc0c0c42-438e-4897-96db-8b0489e873ef became00350031-0039-0033-3100-300030003000Please can you help me?Why sql converts alphanumerical GUID into only numbers ID?How can I bulk insert GUID? (I didn't find anything googling around : )Thanks!Bob

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Sep 12, 2006

Hi Andrea,
I have made a table which contain data inserted manually and also data that was inserted by using bulk insertion. I have no problems using the table with Grid View. But when I try to use a query like the following:

SELECT *
FROM dbo.last
WHERE VMake = 'Honda'
AND VType = 'sedan'
AND VColor = 'Red';

I would only get the data that were inserted manually.
When I use the same query to filter data from a table that the data was inserted by using bulk insert, I get column names but no data.

Any help please.

Juvan

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Oct 25, 2007

Hi,
I am using SQL 2k5

I have a table with the follwing schema

Table BulkTest
(

ID nvarchar(100),
SubDate Datetime
)

And i have data in a file as follows ( column delimeter is | and row deleimeter is new line character ( windows ) )

4000000|10/25/2007 6:07:32 AM
4000001|10/25/2007 6:07:32 AM
4000002|10/25/2007 6:07:32 AM
4000003|10/25/2007 6:07:32 AM
4000004|10/25/2007 6:07:32 AM

BULK INSERT dbo.BulkTest FROM 'c:\insert.dat' WITH (FIELDTERMINATOR = '|',ROWTERMINATOR='
')
When i execute this statement its failing with the follwing message.

Bulk load data conversion error (type mismatch or invalid character for the specified codepage) for row 1, column 2 (SubDate ).

Can any one please let me know whats wrong in this and what should be done to make it work
Quick response will be appreciated
Thanks much
~Mohan

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