How to Add a Row Number to Your SQL Query Using row_number and partition by
In this episode, we'll take a look at how to add a row number to our query so that we can refer to that ordering when we use the data for other purposes. In order to do this, we're going to use two very important features of sql: row_number and partition by. Using these, we'll create a row number column for the whole column, and then split up our data and give a row number inside of those groups.
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Видео How to Add a Row Number to Your SQL Query Using row_number and partition by канала Sean MacKenzie Data Engineering
Needing to hire technical resources for your project? Get the best:
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https://youtu.be/HYeZKS9F2b0
Видео How to Add a Row Number to Your SQL Query Using row_number and partition by канала Sean MacKenzie Data Engineering
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20 ноября 2021 г. 19:00:05
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