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Where Clause Optimization
Posted by: Mohammed Yehia El Sayed Abdoh
Date: August 31, 2018 06:47AM

I was on the "Where Clause Optimization" section and I came to the following point:

- HAVING is merged with WHERE if you do not use GROUP BY or aggregate functions (COUNT(), MIN(), and so on).

Can someone explain this point to me with a practical example?

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