So Jamie, curious does this approach work when dealing with large dimension table and using Hive or Impala? Seems like the join may be too expensive...
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Channel Details:
- Title: Debunking Kimball Effective Dates
- Channel Number: 73411477
- Language: English
- Registered On: December 9, 2017, 8:00 pm
- Number of Articles: 83
- Latest Snapshot: December 9, 2017, 8:00 pm
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- Publisher: http://sqlblog.com/blogs/jamie_thomson/archive/2009/11/28/debunking-kimball-effective-dates.aspx
- Description: Those who are familiar with Ralph Kimball’s theories on data warehousing modelling may be...
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