I don't know precisely how you can do it - but ruby has a built in XML 
parser for databases.
Though changing schema over time is a bit annoying (and bad practices as 
well in my opinion) You can't set up your database to deal with a changing 
schema.
On Monday, November 3, 2014 8:21:39 AM UTC-8, Frederick Cheung wrote:
>
>
>
> On Sunday, November 2, 2014 3:01:41 PM UTC, Gane R wrote:
>>
>> Hi all,
>>
>> I have an requirement of parsing an xml to db.
>>
>> XML file has a schema and it is subjected to change over a period of 
>> time. I want to know how to map this xml to Database table.
>>
>> Is this something like XSD to Dynamic class to ActiveRecord. I am new to 
>> this. How can I do this please suggest the me the methodology to follow or 
>> the gems can I use.
>>
>>
> If the attributes will change over time then you'll either have to write 
> migrations for this as it happens or use some form of serialization for the 
> variable data ( hstore or json in postgres, rails serialization etc.). Also 
> worth considering whether a relational model is the best fit for your data.
>
> Fred
>
>>
>>

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