Re: Migration Oracle multitenant database to PostgreSQL ? - Mailing list pgsql-hackers

From Bruce Momjian
Subject Re: Migration Oracle multitenant database to PostgreSQL ?
Date
Msg-id 20201124140906.GB29448@momjian.us
Whole thread Raw
In response to Re: Migration Oracle multitenant database to PostgreSQL ?  (Thomas Kellerer <shammat@gmx.net>)
List 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@momjian.us>        https://momjian.us
  EnterpriseDB                             https://enterprisedb.com

  The usefulness of a cup is in its emptiness, Bruce Lee




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