Caching duplicated rows count for specific column values in MySQL

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Learn how to equally distribute values of your table contents. Count how many duplicates do you have based of specified column value and by `GROUP BY` clause.
Filter the new results and paste them into new statistical database table to reducing further counting.

"Many times we need to get a statistical distribution of values in a database table. Say you have a e-commerce shoe store having a product table with the following fields and values. As this is only an..."

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