Also Oracle considers zero byte character space as Null although they recommend not to assume it will stay that way. Here is a short
blog comparing Oracle, Postges, MySQL and SQL Server around Nulls.
From: Holger Jakobs
Sent: Thursday, March 9, 2023 4:48 AM
To: pgsql-admin@lists.postgresql.org
Subject: Re: postgresql to Oracle database migration
Am 09.03.23 um 10:46 schrieb Renjith Gk:
> Hi,
>
> Can anyone confirm any online tool or best practice to migrate
> postgresql queries to Oracle, there are few syntax differences
> compared from postgresql to Oracle
>
> Best regards,
> Renjith
There is no easy solution because Postgres' SQL dialect is a lot richer
than Oracle's.
Most trivial queries will work immediately.
Kind regards,
Holger
--
Holger Jakobs, Bergisch Gladbach, Tel. +49-178-9759012