What could be wrong if db.collection.createIndex({email: 1}, {unique: true}) fails to enforce uniqueness? - Study24x7
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MongoDB
5 followers study24x7 23 Dec 2024 11:44 AM study24x7 study24x7

What could be wrong if db.collection.createIndex({email: 1}, {unique: true}) fails to enforce uniqueness?

A

The collection already has duplicate emails

B

The index is not properly configured

C

The 'email' field is not indexed

D

MongoDB does not support unique indexes

Databases
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