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The Natural Evolution of Data Warehousing—Where We Are Today
The Natural Evolution of Data Warehousing—Where We Are Today
It’s a fact that technology is always evolving—rapidly. What’s new and hot today, may be old news and on its way to ...
Calculating business days in HiveQL
One of the common tasks in data processing is to calculate the number of days between two given dates. You can easily ...
Debugging IN vs OR Performance in MySQL
I was recently puzzled by the question: “Which query will be faster?” SELECT * FROM table WHERE pk = x OR pk = x1 OR pk ...
