Re: database design patterns for the desperate
Re: database design patterns for the desperate
- Subject: Re: database design patterns for the desperate
- From: Mark Wardle <email@hidden>
- Date: Wed, 11 May 2011 21:51:34 +0100
Can you re-imagine your problem as objects instead of thinking of the
database or do you have other code accessing SQL directly?
Mark
On 11 May 2011 20:14, Michael Gargano <email@hidden> wrote:
> I was just talking to David Holt about this and he suggested I tap the brain trust. :)
>
> I was wondering if there is a database design pattern for a situation where I have some template structure
> let's say
>
> tA <->> tB <->> tC (records across these tables are the template, the template is a whole object graph rooted at one record in tA)
>
> where the templates can be configured on a per tenant basis (so, the templates themselves are records that define defaults and new ones can be added when new tenants or templates are added). I need to make a copy of a template that a tenant uses and make it local to a user (under that tenant) who can then customize the values in that template for their needs.
>
> It's basically a class/instance kind of structure, but at the data level in the database. It's as if I need to copy an EOs from one table to another where the destination table has a few more attributes than the source table did. It's made more complicated by the fact that I need to copy that template object graph, not just one EO.
>
> Any suggestions?
> *Hopes beyond hope*
>
> Thanks.
> -Mike
>
>
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--
Dr. Mark Wardle
Specialist registrar, Neurology
Cardiff, UK
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