Michael O'Toole
Understanding the Differences Between OLTP and OLAP
In the data analytics world, OLTP systems generate source data and OLAP systems analyze it.
SQL Essentials: Part 2
SQL is the analyst’s language of choice for handling structured data. Part 2 of this series introduces more advanced SQL functions.
SQL Essentials: Part 1
SQL is the analyst’s language of choice for handling structured data. Here's an introduction to some basic but essential SQL functions.
Guest Post: When Your DWH Is Not a DWH
Watch out for the following signs that your organization does not warehouse data correctly.
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