Dropping Unique Indexes
If necessary, unique indexes can be dropped using the dropIndex() method.
Example: Dropping a Unique Index
// Drop the unique index on the "username" field
db.users.dropIndex({ username: 1 });
Unique Indexes in MongoDB
MongoDB, a popular NoSQL database offers a range of features to manage data effectively. One such feature is the ability to create unique indexes, which play a crucial role in maintaining data integrity by ensuring that no two documents in a collection have the same value for a specified field or combination of fields.
In this article, we’ll learn the concept of unique indexes in MongoDB by covering their significance, usage, examples, and outputs to help beginners grasp the concept effectively.