MongoDB Indexing
mongodb.com/docs/manual/indexes/
MongoDB indexes use a B-tree data structure.
Indexes gets have better read time but have an impact on write time.
Index Types:
- Single Field
- Compound Index
- Multikey Index
- Geospatial Index
- Text Indexes
- Hashed Indexes
Index Properties:
- Unique Indexes
- Partial Indexes
- Sparse Indexes
- TTL Indexes (Time To Live)
See also:
Query plan
mongodb.com/docs/manual/core/query-plans