Why do we need Junk Dimension | Data Warehouse Concepts

Описание к видео Why do we need Junk Dimension | Data Warehouse Concepts

We are going to talk about Junk Dimension- what is junk dimension, why do we create junk dimension.

A junk dimension is a collection of random transaction codes flags and/or text attributes that are unrelated to any particular dimension. By creating a junk dimension, we remove the flags from the fact table and place them into a useful dimensional framework.

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