OWB 10 Release2 External Tables

Hi
Tried with external tables, if i try to execute a select statement it retrieves 0 rows from external table. But if I do a select count(*) it showing 64939 as count.
Created the mapping and tried to validate..it validated with warnings abt the datatypes. Deployed and executed..success(?!) But there is no data loaded. What will be th reason.This file has around 40 cols and 26MB in size.
Also please let me know the data type change - for example I have CHAR data from flat file..in external everything is VARCHAR2. What we need to do?
Change the VARCHAR2 as the source data type(CHAR) or target data type ( char, number,date)?
-NB

Hi,
I just created the external table from flat file. After deployment, if you Query (Select statement) the external table it should retrieve the data right?. But it is retrieving 0 rows but you query for count(*), it showing the count how is that?
I have created external tables with some other flat files which has less number of rows say below 5000 its working fine. i am able select and view the data from external table.
May be I need to verify the size of each field in flat file.
-NB

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Dear All,
I am using Oracle Warehouse Builder 11g & Oracle 10gR2 as repository database on Windows 2000 Server.
I facing some issue in fetching data from a Flat File using external table from OWB Client.
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======================================
RA-29913: error in executing ODCIEXTTABLEOPEN callout
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In the error it is showing that file expense_categories.csv in SOURCE_LOCATION not found but I am 100% sure that file is very much there.
Is anybody face the same issue?
Do we need to configure something before loading data from a flat file from OWB Client?
Any help would higly appreciable.
Regards,
Manmohan Sharma

Hi Detlef / Gowtham,
Now I am able to fetch data from flat files from OWB Server as well as OWB Client.
One way I have achieved as suggested by you
1) Creating location on the OWB Client
2) Samples the files at client
3) Created & Configured external table
4) Copy all flat files on OWB Server
5) Updated the location which I created at the client.
Other way
1) Creating location on the OWB Client
2) Samples the files at client
3) Created & Configured external table
4) Copied flat files on the sever in same drive & directory . like if my all flat files are on C:\data at OWB Client then I copied flat file C:\data on the OWB Server. But this is feasible for Non-Windows.
Hence my problem solved.
Thanks a lot.
Regards,
Manmohan

Modifying field lenght for an external table via OWB

Hi folks,
After, I would like to thanks everyone that helps to improve the level of quality of this forum with questions and answers!
I am having a problem with flat files and external tables:
I can't specify the field length in the ORACLE_LOADER parameters via OWB, so the driver consider that all my fields are CHAR(255). Concerning the online documentation for Oracle Utilities Part. no. A96652-01 on page 12-21, it's write that the lack of specification about the datatype or length of a field, the driver will assume the fields name and order of the fields defined on the external table fields and they will be CHAR(255). My problem is that we need to use a field bigger than CHAR(255), so I made this external table for example about our problem:
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TYPE ORACLE_LOADER
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CHARACTERSET WE8MSWIN1252
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NOBADFILE
NODISCARDFILE
NOLOGFILE
FIELDS
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NOTRIM
"NOME" ,
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Carlos,
Have you tried the following:
- Update the data types in the sampled flat file (i.e. go into the field definitions and edit the length).
- Go into the mapping and inbound reconcile the table (right-mouse click the file operator and select inbound reconcile).
- Regenerate, and review the result.
Thanks,
Mark.

Can we bind a single external table with multiple files in OWB 11g?

Hi,
I wanted to ask if it is possible to bind an external table with multiple source files at same or different locations? Or an external table has to be bound to a single source file and a single location.
Thanks in advance,
Ann.
Edited by: Ann on Oct 8, 2010 9:38 AM

Hi Ann,
Can you please help me out by telling me the steps to accomplish this. Right click on the external table in project tree, from the menu choose Configure,
then in opened Configuration Properties dialog window right clock on Data Files node and choose from menu Create -
you will get new record for file - specify Data File Name property
Also link from OWB user guide
http://download.oracle.com/docs/cd/B28359_01/owb.111/b31278/ref_def_flatfiles.htm#i1126304
Regards,
Oleg

OWB Mapping involving Oracle External Table to Oracle Target Table.

Hi All,
I created a mapping which involves External Table as source & oracle table as target.
Following were steps followed.
1> Created Directory & External Table on oracle server
2> Attached Text file with ',' delimiter to the External Table.
3> Imported the External Table in source module.
4> Created mapping which involves External Table as Source & Oracle Table as Target.
5> Validated & Generated Mapping in OWB.
6> Deployed the mapping in Deployment Manager.
7> Executed the mapping in Deployment Manager.
Execution Results: Completed with errors.
No error message is displayed, I am wondering where can I get more information about the error message?
Thanks in Advance.
Regards,
Vidyanand

Hi,
Look in the logfile <your runtime owner>.log.* under the directory <owb home>/owb/log
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Stuck on using an External Table in OWB 11.

I am using Oracle 11, and OWB 11.
I am trying to get some information from a CSV file, into an Oracle table. Here is what I have currently done:
1. I have setup a location called CSV_FILE and this is pointing to my local drive in a folder called c:\CSV
2. I have added the file to the Files tab, imported the metadata and the file is called Export_WithHeaders_CSV.csv
3. I have setup a new external table called CSV and pointed it to the above File and set the default llocation to CSV_FILE
4. I then right clicked on the external table and created the Data File pointing it to the CSV_FILE, and filling in the Data File Name with: Export_WithHeaders_CSV.csv
I am trying to do 2 things, the first is to just view the data in the external table through Design Center, and the 2nd is too add it to an OWB map to import into an Oracle Database. When I try to view the data (Right click on CSV, and select Data) I get the following error:
ORA-29913: error in exectuing
ODCIEXTTABLEOPEN callout
ORA-29400: data cartridge error
KUP-04040: file
Export_WithHeaders.csv in
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When I bring the external table into a simple OWB map, just mapping it directly to a table, the map validates fine, but when I run the map, the test data shows a row_count of 0? I have been beating my head against the wall for a good 2.5 days now, and any help would be greatly appreciated....

Hi,
This problem may be due to several reasons. I am aware of few reasons.
1)Have you deployed the external table first?
2) If you do not have your data base client and server running in the same machine, you should place the csv file in the database server machine's 'c:\CSV' folder in order to create the external table through database. Then do a select count(*) statement.
3)Another reason may be as gerardnico said the file name you refered may be wrong.
I don't know your requirement. If you could create the external table succefully and if you get value for the select count(*) from <external_table_name>, then try to import the external table into the Design Center and map it with the Table you need.
If you are doing it purely with OWB then,
Do you have the file Export_WithHeaders.csv in the Server machine's 'c:\CSV_FILE' folder?
Because while importing the metadata of the CSV file the OWB will point to your local machine's 'c:\CSV_FILE' that is why your Validation and Deployment is success without errors.
But while executing the map it will take the data from Server machine. It will search for the Location 'c:\CSV_FILE' in the server machine and will look for the file Export_WithHeaders.csv there. So create athe same folder setup which you have in your client machine and run this again.
Try this if you do not get any better answers in this thread

OWB 10g R1 : Error while accessing External Table

Dear All,
We have created few external and registered them using os user oracle.
Now , we have changed to user 'oratester' and reregistered the location.
oratester is having all the rights on the folder which the external table is refering.
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yah. Ive configured the accessing parameters.
The code generated , has the following
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Error when loading from External Tables in OWB 11g

Hi,
I face a strange problem while loading data from flat file into the External Tables.
ORA-12899: value too large for column EXPIRED (actual: 4, maximum: 1)
error processing column EXPIRED in row 9680 for datafile <data file location>/filename.dat
In a total of 9771 records nearly 70 records are rejected due to the above mentioned error. The column (EXPIRED) where the error being reported doesn't have value greater than 1 at all. I suspect it to be a different problem.
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C|234|Littérature commentée|*N*|2354|123
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C|325|*Revue Générale*|N|2445|132
In the External Table the Description Value is replaced by the inverted '?' as follows:
Reue G¿rale
Please help.
Thanks,
JL.

user1130292 wrote:
Hi,
I face a strange problem while loading data from flat file into the External Tables.
ORA-12899: value too large for column EXPIRED (actual: 4, maximum: 1)
error processing column EXPIRED in row 9680 for datafile <data file location>/filename.dat
In a total of 9771 records nearly 70 records are rejected due to the above mentioned error. The column (EXPIRED) where the error being reported doesn't have value greater than 1 at all. I suspect it to be a different problem.
Example: One such record that got rejected is as follows:
C|234|Littérature commentée|*N*|2354|123
highlightened in Bold is the EXPIRED Column.
When I tried to insert this record into the External Table using UTL_FILE Utility it got loaded successfully. But when I try with the file already existing in the file directory it again fails with the above error, and I would like to mention that all the records which have been loaded are not Ok, please have a look at the DESCRIPTION Column which is highlightened. The original information in the data file looks like:
C|325|*Revue Générale*|N|2445|132
In the External Table the Description Value is replaced by the inverted '?' as follows:
Reue G¿rale
Please help.
Thanks,
JL.sorry, couldnt see the highlighted test.could you plesae enclsoe it in tags
also post the table definition with attributes. BTW..Whats your NLS_LANGUAGE SET TO?

How to get the bound object of an external table with OMB

Hello,
I try to find it but without success. So may be one of you, know this secret information.
I want to synchronize with the help of an OMB script my external tables.
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Example:
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Edited by: gerardnico on Jan 13, 2010 12:08 PM
Change get the location by get the flat_file_module

Yes, Oleg. It's what's worried me.
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Cheers
Nico

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Hi Sutirtha,
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