SQL Query | How to find most frequently purchased together items

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In this tutorial, we write a SQL Query to find the most frequently purchased together items.

Practice dataset and SQL statement is available here

How to install SQL Server for practice?

Check out the complete list of SQL Query Interview Questions -

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Комментарии
Автор

This is interesting!!! I'm curious, I don't understand how do you compare 2 productIDs? Why would AAA be bigger than BBB or vice versa?

filipzivkovic
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Important scenario. Thank you for sharing.

designanddecor
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Super, I will use this daily in my work thanks

briandennehy
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This was something new and interesting for me. I can use this in my organisation.

riddlex
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Lovely tutorial! Just one question, will ID comparison work if you have something like a UUID?

umarbabajidda
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I love your video,
Can you please give a clue on how to filter for a specific product? For example, frequently bought items for product with ID AAA.

ayooluwaemmanuel
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This is a classic solution. Just one question: why are you specifying O1.CustomerID = O2.CustomerID in the join conditions? Obviously, there will be only one CustomerID for each OrderID.

nikolaybaranov
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This will show only two products that are frequently bought together am I right? How can I use what two items and then three and four because I have 20 items and I need to know what Items are bought together this video is really helpful thank you for the effort

itsbashar