O Esteemed and Wise Colleagues,
(My first sending of this didn't seem to make it to the list... Knowing
our mail server it may show up in a few weeks!)
How do application (Forms or other) users access your tables?
Do they logon as themselves? Do you switch their logon behind
their backs to that of the app owner (like Oracle Apps does?)
I'm wrestling with this now.
The way I see it, I've got two choices, with several subchoices:
1. User logs in as self and accesses the tables either:
a. via synonyms (to tables or to table API package), or
b. via full table path qualification, i.e., GL.ACCOUNT or
GL.ACCOUNT_API (package).
2. User logs in (knowingly or unknowingly via behind the scenes
smoke-and-mirrors) as app owner, and accesses tables directly.
Peronally, I much prefer the logging in as self route. It's
easier to trace users, sessions, security, access, performance,
etc. I also prefer using synonyms, since most application
design environments - including Forms - don't fully qualify
tables or views by default.
The problem is that synonym names can conflict between applications.
One solution is to prefix the app_short_name to the name of each
table or view. I hate that. Another thought is to create synonyms
dynamically as the user logs on to an application. That's no good
if the user logs on to two apps at the same time.
If you go with relogging in as the app owner, you somehow have
to keep track of who the user really is (some common package
variable, most likely) and then use that info as needed. That
sounds like lots of extra code.
So, how do YOUR users access your apps? Any ideas? I need guidance,
and I'll really, truly, honestly, very much appreciate any you can
send my way.
TIA,
Yosi
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Author: Yosi Greenfield
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