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Extraction of BLOBS (LONG RAW) using PL/SQL

oracle082697
oracle082697 asked
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Last Modified: 2008-03-10
I am trying to find out how to extract a BLOB (LONG RAW data type) from an Oracle database using PL/SQL, and then write it to a file on a UNIX file system.
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Commented:
The main problem is that PL/SQL does not operate with
data more than 32K long. So you can select the data from long
raw column into PL/SQL variable of type long raw or long
(does not actually matter for PL/SQL) and then write it to UNIX
File using UTL_FILE, the only problem is that you cannot get
more than 32K. There is no way in PL/SQL to operate with data more than 32K long. My advice is to get it through the OCI
interface from C/C++ or probably (I never tried that but should work) even through VB using ODBC.

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