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Re: R: Re: BUG #6091: Information

From: Craig Ringer <craig(at)postnewspapers(dot)com(dot)au>
To: "giuseppe(dot)petazzoni(at)libero(dot)it" <giuseppe(dot)petazzoni(at)libero(dot)it>, pgsql-bugs(at)postgresql(dot)org
Subject: Re: R: Re: BUG #6091: Information
Date: 2011-07-06 11:02:56
Message-ID: (view raw, whole thread or download thread mbox)
Lists: pgsql-bugs
[top-posting because the OP didn't seem to see my first reply below theirs]

I repeat: this is not a bug report. SQL dumps from one database are not 
expected to work in a different database system from a different vendor. 
There are various migration and conversion tools that make it easier. It 
helps if you stick to SQL-standard data type names, etc, but you will 
still have plenty of problems. Writing compatible SQL for different 
databases is somewhere between "hard" and "impossible".

To learn more, start with a google search for "SQL Dialects", and with , particularly . You should 
also read this: to 
learn more about the sort of vendor-specific differences. For database 
conversion, do a Google search for "database conversion tool" or 
"Database migration" and have a look at Talend's web page here: .

I can't do much more for you than this.  You really need to study some 
more of how SQL based systems in general work, and become more familiar 
with their differences.

If you still have a problem or question that is related to PostgreSQL, 
read this web page:

then ask on the pgsql-novice mailing list here 
( or on the pgsql-general.

Please do not reply to this email to the bug report mailing list with 
more questions. If you have a bug report and can follow the bug 
reporting guidelines, feel free to use the report form, but please don't 
use it for general help questions.

> Dear Craig
> I test schema and data dump  of postgresql but not have a possibility
> to export schema and data ad import in mysql or db2 or oracle or informix
> the .sql scema and  data export of postgresql not are compatible in .sql
> import
> mysql oracle db2 informix , you have a solution of this problem
>                            Best Regards Giuseppe PETAZZONI

Craig Ringer

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Next:From: Jeff DavisDate: 2011-07-06 17:00:11
Subject: Re: Re: PG regression with row comparison when btree_gist is enabled (BUG)
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Subject: Re: BUG #6091: Information

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