1. What is Mongoose?

2. How to connect to MongoDB using Mongoose?

3. What is a Mongoose Schema?

4. How to create a model from a schema?

5. How to save a document to the database?

6. How to find documents in a collection?

7. How to update a document in a collection?

8. How to delete a document in Mongoose?

9. What are Mongoose Middleware?

10. How to define default values in Mongoose Schema?

11. How to create indexes in Mongoose?

12. What is Mongoose population?

13. How to implement validation in Mongoose?

14. What are virtuals in Mongoose?

15. How to handle errors in Mongoose?

16. How to use lean queries in Mongoose?

17. What is the difference between `findOne` and `find`?

18. How to paginate results in Mongoose?

19. How to implement soft deletes in Mongoose?

20. How to use aggregation in Mongoose?

21. How to create a compound index in Mongoose?

22. How to use timestamps in Mongoose?

23. How to define custom validation in Mongoose?

24. How to handle large datasets in Mongoose?

25. How to set up a discriminator in Mongoose?

26. How to use the `populate` method with multiple fields?

27. How to work with subdocuments in Mongoose?

28. How to use the `lean` option in queries?

29. How to use the `updateMany` method?

30. How to validate on update?

31. What is the purpose of `set` in Mongoose?

32. How to use `findByIdAndUpdate`?

33. What are the benefits of using Mongoose?

34. How to use the `aggregate` method?

35. How to implement a unique index?

36. What is the `timestamps` option in Mongoose?

37. How to work with transactions in Mongoose?

38. How to enable debugging in Mongoose?

39. How to handle circular references?

40. How to optimize Mongoose queries?

41. How to set default values in a schema?

42. How to use virtuals in Mongoose?

43. What is the purpose of middleware in Mongoose?

44. How to handle errors in Mongoose?

45. How to implement pagination in Mongoose?

46. How to remove a document in Mongoose?

47. How to use the `populate` method?

48. How to use aggregation pipeline in Mongoose?

49. What are compound indexes?

50. How to implement soft deletes in Mongoose?

51. How to use the `$in` operator in queries?

52. How to sort query results?

53. How to handle timestamps manually?

54. What is the `setDefaultsOnInsert` option?

55. How to implement full-text search in Mongoose?

56. How to use the `aggregate` method for lookup?

57. How to define a schema with embedded documents?

58. How to use the `distinct` method?

59. How to use Mongoose with TypeScript?

60. How to create a Mongoose model?