blobs

[brian_matthewsbrian matthews]

I noticed that there is a section in the PH 8.4 new features section on 
Blobs with RDB. Essentially it says that it is best to use RDB/VMS from 8.4 
because this matches 7.10 processing most accurately.

see extract below,

By specifying RDB/VMS versus RDB as the relational type, you specify how the 
database is
accessed and what PowerHouse capabilities are available. Using RDB/VMS, the 
database is
accessed via the native API, while RDB specifies an SQL interface using the 
PowerHouse data
access layer. RDB/VMS is essentially the same interface and feature set as 
in PowerHouse
7.10. Using RDB allows you to use SQL statements and SQL-related syntax such 
as the
DECLARE CURSOR and CURSOR statements and the SQL-related verbs. Since the 
two
interfaces are quite different, there will likely be performance 
differences, however which will be
faster is situation dependant.

Bri,

>From: "Johnson, Harold A EDUC:EX" <Harold.A.Johnson@gems1.gov.bc.ca>
>To: powerh-l@lists.sowder.com
>Subject: blobs
>Date: Thu, 2 Dec 2004 16:13:26 -0800
>
>Anyone experiencing any errors when using OpenVMS 840d and using the "do
>blob" command to extract files out to disk?   We have PDF's that are stored
>in an RDB database, but when we use 840d, the PDF's are corrupted and 
>cannot
>be read by Adobe Reader.  In 740g1, the extract works just fine.
>Any suggestions?
>
>thnx
>
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