Seeking good examples for Data Warehousing / Dimensional Modeling

Group:

Are there any good fully-spelled-out examples for Data Warehousing /
Dimensional modeling in Rails? (An implementation of one of the
chapters from Ralph Kimball’s excellent "The Data Warehouse Toolkit
would be ideal…)

I understand Dimensional Modeling. I understand just enough Rails,
but not quite enough to write the migrations to establish foreign
keys, one-to-many relationships, etc. It’s a small hurdle, I know,
but it’s one that I haven’t been able to scale. There must be others
in the same boat.

(For now, I’m NOT interested in a pre-written package like
ActiveWarehouse – I’d like to understand what’s going on under the
hood, at least at first. Later, I will switch over if appropriate…)

TIA.

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