Data Warehouse Considerations - SCD Type 2 vs Overwrite Dimension Tables
How we handle data warehousing updates to dimension tables is crucial and this article covers Slowly Changing Dimensions versus overwriting tables.
2024-12-20
Data Warehousing\Business Intelligence
The Load of Real Time Data Warehouses
How much load do real time updates place on a data warehouse? Steve has a few thoughts on the analysis of the Amazon Redshift dataset, Redset.
2024-10-07
228 reads
How do you secure sensitive data in a modern Data Warehouse?
In 2019 Canadian Broadcasting Corporation (CBC) news reported a massive data breach at the Desjardins Group, which is a Canadian financial service cooperative and the largest federation of credit unions in North America. The report indicated, a "malicious" employee copied sensitive personal information collected by Desjardins from their data warehouse. The data breach compromised the […]
2022-03-30
3,147 reads
2007-09-11
2,001 reads
2007-09-06
1,647 reads
2005-04-22
2,384 reads
2005-04-06
1,994 reads
2005-03-18
1,740 reads
2005-03-08
1,584 reads
2005-01-14
1,627 reads
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Question of the Day
Identities and Sequences I
When thinking of the Identity property for auto incrementing columns and sequences for the same action, which are explicitly linked to increment a number in a table when a new row is added?
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