Export/data Dump To Flat File Is Too Slow
Mar 10, 2006
I am trying to export a table with ~ 10 Million rows to a flat file and it is taking for ever with SQL2005 export functionality. I have tried creating an SSIS package with a flat-file destination and the results are the same. In each case it does the operation in chunks of about 9900+ rows, and each chunk takes ~1-2 minutes which sounds unreasonable.
I tried bcp, and it fails after a few thousand rows. I tried moving the data to SQL2000 first then to flat file from SQL2K, but the move from SQL2005->SQL2000 was going at the same rate as above.
So, the bottleneck seems to be data going out of SQL2005 no matter what the destination is. I'm wondering if there is some setting that Iam missing that would make this run in a reasonable amount of time?
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Aug 15, 2007
Hi-I have a sql 2005 server (New to me) that I need to get a report out of of type .inputIt needs to be in the format: HeaderRowreportTitile + rowcount()+ DateFixedWidthcol1 (spaces pad this field to 25) FixedWidthCol2FixedWidthcol3..... FixedWidthcol1 (spaces pad this field to 25) FixedWidthCol2FixedWidthcol3..... The columns in the flatfile HAVETO run into eachother, with NO delimiters.If i try and export it as a fixedWidth file, the columns DON'T line up. If I try as a delimited file, I can't do it w/o having a delimiter character in between.I'm creating an SSIS file (New to me) to do this, is this my best shot of getting a flat text file that I can then ftp to another server? thanksDan
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Feb 22, 2007
Hello,
I have not worked with NTEXT data before. I have a situation where I need to export a SQL Server 2000 table of data that has NTEXT columns in it. The plan is to archive the data to CD, and delete the data from the table once it has been archived.
I have tried exporting the data to a text file and specified a Ragged Right format in the Flat File connection manager. Do I need to somehow concatenate the data from the table in order to export it to this kind of file?
Thank you for your help!
cdun2
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Apr 7, 2006
All,
I need to dump a table with more than 200 columns to a flat file. I tired in SSIS with the flat file destination, but it only allows 84 columns. What should I do if I want to dump all the columns to a text or cvs file.
Thanks in advance
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May 21, 2001
I'm using sqlserver 2000 enterprise edition. I am an oracle dba and we have some tables in sqlserver 2000 that we need to write out to the flat file. I have a procedure in oracle to do this for oracle tables. But, how would I do this in sqlserver 2000. I have 10 columns on this table and I only want 3 columns data to be dumped on the flat file. We are on NT sever 4.0.
Thanks,
Ranjan
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Jun 21, 2007
Hi-I have a sql database (2005) that I need to extract a report from that looks somehintg like SELECT * From Empl_Hours WHERE some_flag <> 'true' .The thing works fine, but the problem is this: I need to insert a record in the 1st row that looks like "Static_text"+row_count() +"more_static_text"where row_count is the actual # of rows that were retrieved. Thanks in advance for any help.DAn
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Jan 9, 2007
I would like to export the database(with table schema and existing data).
My database is a mdf file and i know that SQL Server 2005 Express Edition cannot do this.
I would like to know if there are any FREE tools can export the table schema and existing data to a .sql file. OR SQL Server 2005 can do this?
Thank you
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May 21, 2007
Any ideas on how to export from excel and simply get rs to do a data dump, not pull over any of the formatting, just simple columns and rows of data?
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Oct 2, 2007
I have a flat file source with 500,000 rows. Each row has 1 column, with about 500 characters in it. It's getting sucked into a OLEDB destination (table) in the exact same format.
Execution of this takes around 20-30 minutes, which seems silly. I read about the "fast parsing" option, but can't use it since my column is a string. Any ideas on how to speed this up?
Note: The column width for the input and output is varchar(3000). My destination table also has a varchar(3000) field. I can't imagine that is the problem, but thought I'd include it just in case.
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Jan 31, 2008
What is the easiest way to accomplish this task with SSIS?
Basically I have a stored procedure that unions multiple queries between databases. I need to be able to export this to a text file on a daily basis and add a total records: row to the end of the text file.
Thanks in advance for any help.
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Jul 10, 2000
Hey all,
I'm trying to find a way to export data from a given table to a flat file without using xp_cmpshell (security reasons)
Is it possible to launch a DTS package from within a stored procedure ? if yes, how do I do it ?
Thanks in advance for any help
Peace
T
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Oct 29, 1999
Hi,
I am a novice with SQL script and I would like to know how can I make an export of my database in a flat file .txt after every new insert record on my database.
Can anyone help me where I can find the code or else....I am very alone and I am out of the way.
Megathanks
Boris
France - Paris
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Jul 27, 2007
I got this error when I run my package.
Source: Meal_Time Connection manager "DestinationConnectionFlatFile" Description: The file name "\caguinc$ExportHousingExport.txt" specified in the connection was not valid. End Error Error:
I used same file for my local server(caguin) and it works fine. But when I run this package from computer other than caguin I got this error.
What is going on?
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Sep 6, 2007
We have a need to export a couple of reports to a flat file (not csv). I am thinking that the easiest way to do this is to write a custom extension. Should I do it this way and if so, can somebody point me to some resources or is there an easier way to do this?
Thanks for the information.
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Sep 4, 2007
I am new to the Integration Services and have a question. I need to export some data to a flat file. I set up a project and have a OLE DB Source object that I wrote a query to grab the data. I then pass that data to a Flat File Destination object. My question is that in the database one of the fields is stored at True or False, but in the flat file I need for it to be -1 or 0. Any help would be appreciated.
Thanks
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Nov 21, 2007
I want to use SSIS to export to a flat file, for various reasons.
However, my flat file has padded out each column to match the number of characters in the DBase column.
See below for example. The first column is char(3), the second is char(9), the third is char(9) etc
How to I get rid off the excess spaces.
What I get
2*852240 *5006 *MPH00095-02 *200709241200*200709241230
2*692677 *5002 *MPH00180-03 *200701181200*200709241230
What I want2*852240*5006*MPH00095-02*200709241200*200709241230
2*692677*5002*MPH00180-03*200701181200*200709241230
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Nov 21, 2007
We have begun useing SSIS to export data into a Data warehouse.
For continuity of service and testing perposes I wish to export to flat files.
However, although the export seems to work fine, I get alot od spaces in my text file.
It seems to pad out to the exact number of characters in the data base, i.e. Char(3) outputs 1 character plus an extra 2 spaces, char(9) gives me the six characters + 3 spaces.
I cannot change the DBase.
How do I get rid of the extra spaces?
Requirement.
2*852240*5006*MPH00095-02*200709241200*200709241230
2*692677*5002*MPH00180-03*200701181200*200709241230
What I get
2*852240 *5006 *MPH00095-02 *200709241200*200709241230
2*692677 *5002 *MPH00180-03 *200701181200*200709241230
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Jun 19, 2007
I created a package that exports contents from a table to a flat file but all my records are being displayed in a single record. where do i configure it to where each record has its own line. the columns in the flat file are fixed.
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Oct 11, 2006
Firstly, I hope this question isn't asked too frequently but I found no existing reference to this situation....
I had a bunch of stored procedures in SQL 2k which imported and exported data to and from flat files using TEXTPTR, READTEXT, UPDATETEXT etc... The flat files were continuously changing so the filepath was a parameter for the sp.
The reason I used the pointer to flat files is because I didn't want to
load the files in memory before commiting them ie. with TEXTPTR and
UPDATETEXT I can import a 1Gb binary file 80000 bytes at a time and
keep (precious) memory usage down.
I was accessing this procs from a C# application.
Since these methods are going to be phased out by the guys at MS what is the best way of importing/exporting very large binary files in SQL 2005?
As far as I can tell SSIS requires a Flat File Source Manager object which needs a static filepath - not good.
Hope you can help,
Paul
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Jan 9, 2008
Hi,
I need to export some data from SQL 2005 to a flat file, The data and flat file names will be dynamic and will be be fired programaticaly so I can't use DTS or SSIS.
In SQL2000 I did it using bcp, but that's quite a security hole so I don't want to use external utilities. I'll need to do something similar on another machine to import the data as well.
I find it strange there's no easy way to do this!
Thanks.
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Jun 7, 2007
I'm exporting using a query to a flat .txt file. The problem I'm encountering is when I export the data and then open the .txt file into excel some columns cause line breaks to the next row. The columns that are breaking to a new row are varchar fields where the user has entered text into the field with double quotes ".
When I export, I'm using row delimiter {CR}{LF} column delimiter Comma and text qualifier Double Quote (")
Is there a way to prevent this from happening when I export and open the flat file into Excel?
I tried using replace, but I was getting a syntax error in my query. Here is the query without using replace:
SELECT e.session_date, l.lab_no, i.first_name + ' ' + i.last_name AS Teacher,
tt.name, d.district_name, s.school_name, t.title, a.q1 AS Question1, a.q2 AS Question2,
a.q3 AS Question3, a.q4 AS Question4, a.q5 AS Question5, a.q6 AS Question6, a.q7 AS Question7,
a.q8 AS Question8, a.q9 AS Question9, a.q10 AS Question10
FROM evaluation e
LEFT OUTER JOIN training t ON t.id = e.training
LEFT OUTER JOIN lab l ON l.id = e.lab_no
LEFT OUTER JOIN instructor i ON i.id = e.instructor
LEFT OUTER JOIN trainee tt ON tt.id = e.trainee
LEFT OUTER JOIN district d ON d.id = e.district
LEFT OUTER JOIN school s ON s.id = e.school
LEFT OUTER JOIN answers a ON a.id = e.answers
WHERE session_date >= '20070401' AND session_date < '20070501'
I would need to use the replace on columns a.q7, a.q8, a.q9, and a.q10
I tried using another delimiter...pipes (|) and that didn't work? Maybe I was attempting it incorrectly?
Thanks in advance for any help.
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Oct 5, 2015
From SSIS I need to export data to a CSV with spaces padding the end of each field before the delimited value. For example if I have three fields that are Nvarchar(10) I need it to be this:
Testing ,Test123 ,Again {end of line}
instead of this:
Testing,Test123,Again{end of line}
It's like it can do fixed width or delimited but not both. Is this possible without having to force the spaces into the data coming back from SQL? I already have the SSIS package written to export the data to CSV which works great, just need to find some way to add the spaces to the end of each column to satisfy requirements on the system being exported to. Also the commas need to be there too.
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Aug 28, 2007
We're having issues exporting a set of data from SQL to a fixed width flat text file by just doing a right click on the DB, then choosing Tasks > Export Data. You can not specify a row delimiter when you choose a Fixed Width format. The only way around this that we've found is to specificy char(13) and char(10) at the end of the SQL select statement. Without row delimiters you end up with 1 giant record rather than 20,000 regular sized records. Is there any other way around this that we're missing?
Using Ragged Right is not an option either since the record lengths will be inconsistent if the last field doesn't contain a consistent length to the data.
Thanks,
Mike
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Aug 29, 2006
Just attempting to import a simple tab delimited text file into my SQL Server 2005 database using the SQL Server Import and Export wizard. Column names are specified within the first line of the file. The Header Rows to Skip field value is listed as 0, but the wizard indicates that "The field, Header rows to skip, does not contain a valid numeric value".
Why isn't zero (0) a valid numeric value? I don't want to skip any rows. PLUS, I get the same error when trying to export to a text file although the header rows to skip field does not exist. I can increase the number to 1 or more, but the wizard will skip part of my data .. unacceptable.
What am I missing here? I installed SP1 of SQL server 2005, but that did not help.
Thanks in advance.
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Mar 7, 2008
Hi, I just started using SQL Server 2005 and I'm trying to find out how to do a sql dump on a table, but this is proving more challenging then it should be.
I usually use mysql with a program called navicat, and all you do is right click on the table and select dump... Inserting the data back in is just as simple. I have also used sql server 2000 awhile back and I know there was a dumping utility for it.
Can someone point me in the right direction on how to dump data to a .sql file and reinsert that data? Thanks!
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Dec 7, 2006
I am sorry, I am posting this message again, since I did not get anyreply.I want to export a table into a "fixed width" file using SQL 2005import export wizard.This is the version I have:SQL Server 2005 - 9.00.2047.00For some reason it joins all the rows together. For EX: if the tableis like this:Create table Mytable (col1 varchar(50) null, col2 varchar(60) null,col3 varchar (100) Null)Insert into MyTable values ("abcdef", "12345", "8900")Insert into MyTable values ("xxxxxxx", "11111111", "22222222")Insert into MyTable values ("yyyyyyyyy", "5555555555555555","6666666666")Insert into MyTable values ("abcdef", "12345", "8900")Insert into MyTable values ("xxxxxxx", "11111111", "22222222")Insert into MyTable values ("yyyyyyyyy", "5555555555555555","6666666666")It is not exporting every row in a single line. Actually if I open itin "Ultra Edit", it is all in one line.I used to do this regularly with SQL 2000 import export wizard and itexported every row in one line.I looked at the setting:The header row delimiter has {CR}{LF}Code page has 1252 Ansi-Latin.In the Advanced tab:String:dt_str.I tried changing the header row delimiter to just {CR} or just {LF}.Also I tried changing the string to dt_text and nothing seems to help.Please help.Thank you
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Jun 21, 2007
Hi All,
I want to import a txt file data to a sql server database table, to do this i used sql server import and export wizard. In this when we choose a Data Source, the option Flat file source is not coming up in the combo box in the wizard.
I am using sql server 2005, Management Studio to do this.
steps 1. right click on the database --> all tasks --> import data --> sql server import export wizard --> choose data source dialog box....
please help me.
thanks in advance.
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Aug 24, 2007
Hi,
I am testing SSIS and have created a Flat File Destination. I defined the Flat File Connection as New for the first time and it worked fine. Now, I would like to go back and modify the Flat File Connection in the Flat File Destination Editor, but it allows only to create a New connection rather allowing me to edit the existing one. For testing, I can go back and create a new connection, but if my connection had 50-100 columns then it would be an issue to re-create it from scratch.
Did someone else faced this issue?
Thanks,
AQ
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Oct 24, 2007
Hi all,
In a foreachloop, I am inserting records into a flat file which is working fine. But the thing is that as the file grows, it takes longer for it to locate the EOF(End of File) of the flat file so as to insert the records.
I have around 70-100 lines written to the file at each loop and there are more than 20k records to be looped. wihich means that at the end I should be having 1400k - 20000k line in the text file.
One solution would be to insert the records at the start of the file itself so that it does not has to lookup the EOF each time before writting.
Another would be to generate separate files and then merge it.
Any idea how can this can be done?
Beside this I have to zip the file and then SFTP to a given address.
Any suggestion or help would be welcome.
Rdgs
David
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Dec 27, 2006
Hi,
I have a situation where a tab limited text file is used to populate a sql server table.
The tab limited text file comes from a third party vendor. There are fixed number of columns we need to export to the sql server table. However the third party may add colums in the text file. Whenenver the text file has an added column (which we dont need to import) the build fails since the flat file connection manager does not create the metadata for it again. The problem goes away where I press the button "Reset Columns" since it builds the metadata then. Since we need to build the tables everyday we cannot automate it using SSIS because the metadata does not change automatically. Is there a way out in SSIS?
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May 11, 2006
I am transferring data from an OLEDB source to a Flat File Destination and I want the column width for all of the output columns to 30 (max width amongst the columns selected), but that is not refected in the Fixed Width Flat File that got created. The outputcolumnwidth seems to be the same as the inputcolumnwidth. Is there any other setting that I am possibly missing or is this a possible defect?
Any inputs will be appreciated.
M.Shah
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Apr 6, 2015
I am running my package in sql server 2012, in which i am giving network path for flat file destination. And its working fine. But if i give m local path, its giving me error " cannot open data file" ...
Nothing is wrong with package.
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Mar 29, 2006
How do I insert data from a flat file or .csv file into an existing SQL database???
Here what I've come up with thus far and I but it doesn't work. Can someone please help? Let me know if there is a better way to do this... Idealy I'd like to write straight to the sql database and skip the datset all together...
strSvr = "vkrerftg"
StrDb = "Test_DB"
'connection String
strCon = "Server=" & strSvr & ";database=" & StrDb & "; integrated security=SSPI;"
Dim dbconn As New SqlConnection(strCon)
Dim da As New SqlDataAdapter()
Dim insertComm As New SqlCommand("INSERT INTO [Test_DB_RMS].[dbo].[AIR_Ouput] ([Event], [Year], [Contract Loss],[Company Loss], " & _
"[IndInsured Loss Prop],[IndInsured Loss WC],[Event Info]) " & _
"VALUES (@Event, @Year, @ConLoss, @CompLoss, @IndLossProp, @IndLossWC, @eventsInfo)", dbconn)
insertComm.Parameters.Add("@Event", SqlDbType.Int, 4, "Event")
insertComm.Parameters.Add("@Year", SqlDbType.Float, 4, "Year")
insertComm.Parameters.Add("@ConLoss", SqlDbType.Float, 4, "Contract Loss")
insertComm.Parameters.Add("@CompLoss", SqlDbType.Float, 4, "Company Loss")
insertComm.Parameters.Add("@IndLossProp", SqlDbType.Float, 4, "IndInsured Loss Prop")
insertComm.Parameters.Add("@IndLossWC", SqlDbType.Float, 4, "IndInsured Loss WC")
insertComm.Parameters.Add("@eventsInfo", SqlDbType.NVarChar, 255, "Event Info")
da.InsertCommand = insertComm
Dim upComm As New SqlCommand("UPDATE [Test_DB_RMS].[dbo].[AIR_Ouput] " & _
"SET [Event] = @Event " & _
",[Year] = @Year " & _
",[Contract Loss] = @ConLoss " & _
",[Company Loss] = @CompLoss " & _
",[IndInsured Loss Prop] = @IndLossProp " & _
",[IndInsured Loss WC] = @IndLossWC " & _
",[Event Info] = @EventInfo", dbconn)
upComm.Parameters.Add("@Event", SqlDbType.Int, 4, "Event")
upComm.Parameters.Add("@Year", SqlDbType.Float, 4, "Year")
upComm.Parameters.Add("@ConLoss", SqlDbType.Float, 4, "Contract Loss")
upComm.Parameters.Add("@CompLoss", SqlDbType.Float, 4, "Company Loss")
upComm.Parameters.Add("@IndLossProp", SqlDbType.Float, 4, "IndInsured Loss Prop")
upComm.Parameters.Add("@IndLossWC", SqlDbType.Float, 4, "IndInsured Loss WC")
upComm.Parameters.Add("@EventsInfo", SqlDbType.NVarChar, 255, "Event Info")
da.UpdateCommand = upComm
da.Update(dsAIR, "TextDB")
************* ANY HELP WOULD BE GREATLY APPRECIATED************
THANKS
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