Answer / Shailly Saxena

In MongoDB, a storage engine is responsible for managing the physical storage of data. The default storage engine in MongoDB is called 'wiredTiger', which replaced the older 'mmapv1' storage engine. wiredTiger provides significant performance improvements and uses a modern architecture that supports multi-threaded, multi-core systems.

What is the difference between $lt and $lte?

1 Answers  

---

Does mongodb support foreign key constraints?

1 Answers  

---

Does mongodb run on windows?

1 Answers  

---

What query language does mongodb use?

1 Answers  

---

How is query injection and how to handle it in mongodb?

1 Answers  

---

How does mongodb store data?

1 Answers  

---

What is primary and secondary replica set in mongodb?

1 Answers  

---

Where is mongodb stored?

1 Answers  

---

What is replication factor in mongodb?

1 Answers  

---

If you remove a document from database, does mongodb remove it from disk?

1 Answers  

---

How do I start mongodb?

1 Answers  

---

How many employees does mongodb have?

1 Answers  

---