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Machine Learning in Academia

Machine Learning for Academic Research

Materialized Table – Snowflake Recipes

user | June 16, 2022

https://livenewcapital.com/materialized-tables/

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← NorwAI&NAIL AI Seminar, June 10: Machine learning in ASR at Aalto University, Mikko Kurimo – NTNU

Data Vault 2.0

Bitemporal data in Data Vault
Data Vault Anti-pattern: Using a HASHKEY to generate the LINK HASHKEY
Data Vault Anti-pattern: Including Business Keys in the SAT HASHDIFF
Data Vault Anti-pattern: Adding column to the middle of the hashdiff
Data Vault Anti-pattern: Using Multi-Active SAT to model data with multiple records for the same Business Key that arrive one Micro-batch
Data Vault Anti-pattern: Having two or more records in a SAT for a Single Business Key with the same LOAD_DATE
Data Vault Anti-pattern: Adding Relationship Temporality to a Non-historised LINK
Data Vault Anti-pattern: Excluding the Dependent Child in the generating the LINK Hashkey
Data Vault Anti-pattern: Using Historized Links to store Transactional data that does not change
Data Vault Anti-pattern: Implementing Business Rules at the Infomart Level