Question

Export BLOB data to files and reimport the files to BLOB data

Asked by: Snody

Can anybody provide me an export and import script which I can use to export first a lot of BLOB-fields from a table to files and then reimport the files back to the table and the refering BLOB-fields? The Files should have a clear name syntax which is depending to another field of the table.

Example:
Table "records" has a PK ,the DocNo (Document number), and a data field (BLOB-field)

I want to export all data fields from "records" to files with the filename of the refering DocNo.
Example Record: 21.00342, [binary_data]
The file should have the name 21.00342 and containing [binary_data] (of the BLOB-Field)

Then I've got a lot of files (which looks like 21.00342, 21.00343...). I'm runing then another tool to change them. After changing all files I want to reimport them. File 21.00342 should replace the binary data of the DocNo (the PK) 21.00342 with it's contents.

Please post some sample scripts to do that.

Greets and best regards,
Snody

PS: Sorry for my bad english

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Asked On
2007-03-13 at 02:45:19ID22445458
Tags

blob

,

export

,

data

Topics

Oracle 9.x

,

Oracle Database

Participating Experts
1
Points
250
Comments
5

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Answers

 

by: GGuzdziolPosted on 2007-03-13 at 07:11:13ID: 18710328

 

by: SnodyPosted on 2007-03-13 at 07:24:39ID: 18710448

Thanks for your answer. Looks like that I'm searching for. But Can you please tell me how to use this script to auto-generate the filenames while exporting and auto-use a filename for import? And one little wish: Is there a possibility to give a message out when something goes wrong...

Thanks and best regards,
Snody

20120131-EE-VQP-002

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