Re: [GENERAL] migrate Sql Server database to PostgreSql

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От Kenneth Marshall
Тема Re: [GENERAL] migrate Sql Server database to PostgreSql
Дата
Msg-id 20170119135626.GQ31986@aart.rice.edu
обсуждение исходный текст
Ответ на Re: [GENERAL] migrate Sql Server database to PostgreSql  (Venkata B Nagothi <nag1010@gmail.com>)
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On Thu, Jan 19, 2017 at 03:29:34PM +1100, Venkata B Nagothi wrote:
> On Thu, Jan 19, 2017 at 6:17 AM, PAWAN SHARMA <er.pawanshr0963@gmail.com>
> wrote:
>
> > Hello All,
> >
> > I am using postgres 9.5  enterprise edition.
> >
> > i want to to how to migrate Sql Server database to PostgreSql. what are
> > the things required for migration and what are the cron and prons of
> > migration.
> >
>
> Well, how challenging the migration is going to be purely depends on
> complexity of the the database and the how the Applications. As far as i
> know, there is no open-source tool available to migrate SQL Server database
> to PostgreSQL. You can try "sqlserver2pgsql" which migrates does not
> migrate procedures.
>
> Overall with my experience, i can say, migrating application would be most
> challenging part.
>
> - Preliminary analysis on the database, its object types, data types and
> code complexity of the procedures. T-SQL procedures will need to re-written
> and they can in-turn trigger application code changes which can be
> challenging.
>   Data types and procedures can pose real challenges while migrating
> applications.
> - If applications being used against SQL Server are proprietary, then, you
> need to ensure they work with PostgreSQL.
> - Evaluate the amount of Application code changes to be done, that will
> give you an idea on how difficult migration will be.
>
> Hope that helps !
>
>
> Regards,
>
> Venkata B N
> Database Consultant

Hi,

For the procedure part, you might want to take a look at pgTSQL:

https://bitbucket.org/openscg/pgtsql

Here is another link with some examples. I have not tried them myself.

https://www.bigsql.org/docs/pgtsql/

Regards,
Ken


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