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Re:multiple schema in a database ???

From: <dgoulet_at_vicr.com>
Date: Mon, 07 May 2001 08:32:48 -0700
Message-ID: <F001.002FAB9D.20010507073033@fatcity.com>

Andrea,

    As I recall you asked for some help on this before and it seems like some progress has been made. Therefore I believe you still need to ask the question of "why does each user need his/her own copy of the tables". I have NEVER seem a circumstance where this was required in the environment you describe. It is perfectly acceptable to create one schema that owns the tables, indexes, etc. and a number of additional end users who access those tables either through views, or other means. Now as for Public, you can't drop a schema/user who does not exist and although it's perfectly acceptable to grant access on objects to public and create synonyms in that schema you can't drop it because it does not exist. You can drop all of the public synonyms though at which point your DB ceases to function, although it won't crash.

    Now, let me ask a couple of questions and mind you I'm NOT trying to embarrass or otherwise criticize, we ALL have gone through the gauntlet at one time or another. But How long have you been at this? It appears not too long. Also, is this being driven by an overbearing individual at your company? That would appear true in which case you can privately send their address. I'd love to trash them directly.

Dick Goulet

____________________Reply Separator____________________
Author: Andrea Oracle <andreaoracle_at_yahoo.com>
Date:       5/4/2001 11:41 AM

Hi all,

We'll have a meeting about the following issue:

Due to large amount of transactions each trainee has, the existing training database in Sybase used multiple databases to handle each trainee's transactions. To implement this in Oracle, we may need to create multiple schemas in one Oracle database, instead of creating multiple Oracle databases. Let's investigate the impact of having multiple schema in a database.

Looks like Public synonym needs to be get rid off. Any other idea about the impact of having multiple schema?

And is there an easy way to create a schema which is identical to another one?

Thank you.

Andrea



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Author: Andrea Oracle
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  INET: dgoulet_at_vicr.com
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