SQL | RANK Vs DENSE_RANK #sqltips #sqlserver

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In this SQL video, we see what is the difference between RANK and DENSE_RANK Windows functions in SQL.

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Комментарии
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It will give unique number with row_number wheather its duplicate like 1, 2, 3, 4, 5 and so on.That’s the beauty of window functions.

Travel.is_fun
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RowNumber( ) auto increments according to the field being arranged by Order by Statement

kingsleyarisah
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Row number gives continuous sequence no.s

vishnuvardhanreddy
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Nice and simple. Would the same cmd work in Oracle Db?

katimboallan
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Row number will give unique running number to each row

himanshupathak
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I have a situation where I need to insert ranks in an already existing column that has some rows with ranks and some with null values. I am looking for guidance on how to efficiently fill the remaining null values with ranks based on salary. Any suggestions or recommendations would be greatly appreciated.

udayallada
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If duplicate salary occurred it will give row number greater than 1 and that is usable for delete duplicate records

Madhusudan_Sarkate