From: | Bruce Momjian <bruce(at)momjian(dot)us> |
---|---|
To: | Thomas Kellerer <shammat(at)gmx(dot)net> |
Cc: | pgsql-hackers(at)lists(dot)postgresql(dot)org |
Subject: | Re: Migration Oracle multitenant database to PostgreSQL ? |
Date: | 2020-11-24 14:09:06 |
Message-ID: | 20201124140906.GB29448@momjian.us |
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Thread: | |
Lists: | pgsql-hackers |
On Tue, Nov 24, 2020 at 09:22:26AM +0100, Thomas Kellerer wrote:
>
> ROS Didier schrieb am 24.11.2020 um 09:09:
> > I would like to know if it is possible to migrate Oracle multitenant
> > database (with multiple PDB) to PostgreSQL ?
> Postgres' databases are very similar to Oracle's PDBs.
>
> Probably the biggest difference is, that you can't shutdown
> a single database as you can do with a PDB.
I guess you could lock users out of a single database by changing
pg_hba.conf and doing reload.
> Database users in Postgres are like Oracle's "common users", they are
> global for the whole instance (aka "cluster" in Postgres' terms). There
> are no database specific users.
Good to know.
--
Bruce Momjian <bruce(at)momjian(dot)us> https://momjian.us
EnterpriseDB https://enterprisedb.com
The usefulness of a cup is in its emptiness, Bruce Lee
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