Map Reduce In MongoDB | Learn To Use Map Reduce In MongoDB | MongoDB - Map Reduce | SimpliCode

[@SimplicodeOfficial]

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[@user-zv8xd4gc3i]

Marks are taken as string values that's why sum or avg operations concatenating those values instead of doing actual sum, so first they need to convert into int

[@SimplicodeOfficial]

Greetings! Thank you for your kind words.

[@katw434]

thanks for this video Don't know why the you-tube's not create the videos on unique topics every one is following bhed-chal

[@vineetbabar5267]

Bro you just used "Marks" instead of "marks" in the reduce function.

[@katw434]

values are concatenate that's why answer is wrong

[@gourmet_lad7278]

Simply reading no explanation nothing waste of time