Check out example codes for "sql how to partition rank". It will help you in understanding the concepts better.

Code Example 1

BY LOVE SINGH,
Here, name and id is the column name of the table tbltest.

SELECT
	name,
	RANK () OVER ( 
		ORDER BY id DESC
	) price_rank 
FROM
	tbltest;

Code Example 2

SELECT * FROM (
	SELECT
		product_id,
		product_name,
		brand_id,
		list_price,
		RANK () OVER ( 
			PARTITION BY brand_id
			ORDER BY list_price DESC
		) price_rank 
	FROM
		production.products
) t
WHERE price_rank <= 3;

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