Given a collection of user details, write mongo query to increase the age by 20% for documents where age exists.
AnswerBot
3mo
Mongo query to increase age by 20% for documents with age field
Use $exists operator to filter documents with age field
Use $mul operator to increase age by 20%
Example: db.users.updateMany({ age: { $exi...read more
Rajeev Kumar Singh
3mo
works at
db.user.updateMany(
{age: {$exists: true}},
[{$set: {age: {$multiply: ["$age", 1.2]}}}]
);
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