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dimension of a dimension

 
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cagdasozgenc

External


Since: Feb 07, 2005
Posts: 1



(Msg. 1) Posted: Mon Feb 07, 2005 10:06 am
Post subject: Re: dimension of a dimension [Login to view extended thread Info.]
Archived from groups: comp>databases>olap (more info?)

Jörg Narr wrote:
 > Hi,
 >
  > > Some of our customers are firms, and we coordinate paychecks on
behalf
  > > of them. Their employees are also our customers.
  > >
  > > You can see that there is a self-reference to the customer
dimension.
  > > We need to keep an attribute over the customer dimension indicating
who
  > > his employer is.
 >
 > Did you think about a parallel hierarchy to provide this information?
 >
 > J.

What do you mean by that?

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joerg_narr1

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Since: Dec 20, 2004
Posts: 2



(Msg. 2) Posted: Mon Feb 07, 2005 11:40 am
Post subject: Re: dimension of a dimension [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)

Hi,

 > Some of our customers are firms, and we coordinate paychecks on behalf
 > of them. Their employees are also our customers.
 >
 > You can see that there is a self-reference to the customer dimension.
 > We need to keep an attribute over the customer dimension indicating who
 > his employer is.

Did you think about a parallel hierarchy to provide this information?

J.

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joerg_narr1

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Since: Dec 20, 2004
Posts: 2



(Msg. 3) Posted: Mon Feb 07, 2005 1:40 pm
Post subject: Re: dimension of a dimension [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)

What do you mean by that?


Something like this:

All Customers, Firm A, <NULL>
All Customers, Firm B, <NULL>
All Customers, Firm C, <NULL>
All Customers, Customer 1, <NULL>
All Customers, Customer 12000, <NULL>
All Customers (by firm), Firm A, Customer 1
All Customers (by firm), Firm B, Customer NN

Since Customer 12000 isn't employed in a firm that is your customer she is
not contained in the parallel hierarchy. This would result in something like
this:

All Customers
|- Firm A
|- Firm B
|- Firm C
|- Customer 1
|- Customer 12000
All customers (by firm)
|-Firm A
|- Customer 1
...
|-Firm B
|-Customer NN

Maybe your Frontend supports something like this. Since there are two
All-levels you don't have double counts. The question arises how many
historical versions you want to keep.

Regards,

Jörg
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