[erlang-questions] exporting database from mnesia to otherdatabase

[Ulf Wiger (TN/EAB)]

The Mnesia User guide actually describes how to implement your own
plugin to the backup support. Chapters 6.9 and 9 och the User Guide will
be a good start.

BR,
Ulf W 

> -----Original Message-----
> From: erlang-questions-bounces@REDACTED 
> [mailto:erlang-questions-bounces@REDACTED] On Behalf Of Sean Hinde
> Sent: den 8 december 2006 13:16
> To: Siddharth Pareek
> Cc: Erlang
> Subject: Re: [erlang-questions] exporting database from 
> mnesia to otherdatabase
> 
> Hi,
> 
> I think the answer is that there is no pre-built solution for 
> this problem. You will have to write some code yourself after 
> reading the manuals
> 
> Sean
> 
> On 8 Dec 2006, at 10:15, Siddharth Pareek wrote:
> 
> > 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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