What is Mongoose schema indexing and how does it work?

What is Mongoose schema indexing and how does it work?

Mongoose schema indexing is a way to improve the performance of queries in MongoDB by creating indexes on specific fields in your schema.

Why should I use indexing in my Mongoose schemas?

Indexing can significantly speed up query performance, especially for large datasets, by allowing MongoDB to quickly locate documents.

Are there different types of indexes I can create?

Yes, you can create various types of indexes, such as single-field, compound, text, and geospatial indexes, depending on your needs.

How do I create an index in a Mongoose schema?

You can create an index by using the index property in your schema definition, like this: fieldName: { type: String, index: true }.

Can I remove an index later if I no longer need it?

Yes, you can remove an index using the drop method on the model, or by using the MongoDB shell.