SUM? COUNT? CASE WHEN FUNCTION - SQL Tutorial #sql #database #datascience #programming
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SUM? COUNT? CASE WHEN FUNCTION - SQL Tutorial #sql #database #datascience #programming
In this weeks tutorial, I show you how to use SUM and Count with a Case When statement and the difference between the two. To get started in Data Science, you will need to build you SQL skills. SQL is the database query language that uses keywords (not functions) to search and manipulate the database. Data professionals need to have advance ...
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