Posts by William Salerno • 1 point

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  Q: Mongodb: Projection of only one element from one nested array to another nested array to one object

  I have the following situation: I need to query a document with a projection that returns only the first element of a list. Only this list is inside another list, and that other list is inside an…

  query mongodb

  asked 7 years, 11 months ago William Salerno 1