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Re: [Bug-apl] ISO Component File API preview


From: Peter Teeson
Subject: Re: [Bug-apl] ISO Component File API preview
Date: Thu, 10 Jul 2014 17:49:32 -0400


On 2014-07-10, at 5:22 PM, Blake McBride <address@hidden> wrote:
What I've been trying to convey (and clearly have failed on every attempt so far) is that an APL component file system must be file-centric. Every APL component file system that I've worked with or have read about has created a file to contain its APL data components.

Conceptually, yes.  Actually, what goes on under the hood is implementation specific.  In our present case, each component file would equate to an SQL table - not an SQL database.  This is very important.  So, if your applications uses 15 component files, that would be represented as 15 SQL tables in one SQL database.
In my experience with the IPSA/STSC file system a component file could store different data types in each component.
In my experience with various SQLs an SQL table only stores records whose fields are consistent for each record.
Therefore I do not agree that component file maps to an SQL table.

Peter

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