[erlang-questions] exporting database from mnesia to other database
Siddharth Pareek
siddharthpareek@REDACTED
Fri Dec 8 11:15:28 CET 2006
Hi,
I request you to please let me know the soltuion for below mentioned
problem. I am still unable to come to any soltuion till date. I want to take
the back up of the mnesia database on other databse like the Orcale..either
using Jinterface . Is it possible if any.
Thanks and Regards,
Siddharth Pareek
----- Original Message -----
From: "Taavi Talvik" <taavi@REDACTED>
To: "Siddharth Pareek" <siddharthpareek@REDACTED>
Sent: Wednesday, December 06, 2006 6:34 PM
Subject: Re: [erlang-questions] exporting database from mnesia to other
database
>> Hello Sir,
>> thank you for this little bit of suggestion..since this
>> function is for educational purpose only..Could you provide me some
>> other way sir , since i will be needing this back up on a real time
>> project.
>> looking forward towards your reply in this regard soon.
>
> mnesia:dump_to_textfile() - can be used for exporting data.
>
> For backup there ore other mechanism which take account concurrency,
> atomicity etc.
> Probably "education purposes" is meant in this context.
>
> Look at:
> backup(Opaque [, BackupMod]) -> ok | {error,Reason}
>
> Activates a new checkpoint covering all Mnesia tables, including the
> schema, with maximum degree of redundancy and performs a backup using
> backup_checkpoint/2/3. The default value of the backup callback module
> BackupMod is obtained by mnesia:system_info(backup_module).
>
> backup_checkpoint(Name, Opaque [, BackupMod]) -> ok | {error,Reason}
>
> The tables are backed up to external media using the backup module
> BackupMod. Tables with the local contents property is being backed up as
> they exist on the current node. BackupMod is the default backup callback
> module obtained by mnesia:system_info(backup_module). See the User's
> Guide about the exact callback interface (the mnesia_backup behavior).
>
> http://www.erlang.org/doc/doc-5.5.2/lib/mnesia-4.3.3/doc/html/
> Mnesia_chap7.html#6.9
>
> best regards,
> taavi
>
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