Top MongoDB Snippets and Code Examples for Developers

MongoDB Snippets with Examples [38]

1. How to use MongoDB’s Like Query with Regex for Pattern Matching.

2. Dropping a MongoDB Database from the Command Line.

3. Listing all Collections in MongoDB Shell.

4. Using MongoDB to check if a field contains a Substring.

5. Finding Documents in MongoDB with an Array containing a specific value.

6. How to Retrieve the Last N Records in MongoDB?

7. Query for "Is Not Null" in MongoDB Using $ne and $exists.

8. Perform SQL Join Equivalent in MongoDB with $lookup.

9. Renaming a MongoDB Database using a Copy-and-Drop Workaround.

10. Enable Pretty Print by Default in MongoDB Shell.

11. Query MongoDB for Documents Between Two Dates Using $gte and $lte.

12. Update MongoDB Field Based on Another Field's Value.

13. Delete all data in a MongoDB Database with dropDatabase().

14. Execute MongoDB Commands via Shell Scripts for Automation.

15. Remove a Field from MongoDB Document with $unset Operator.

16. Retrieve Specific Array Elements in MongoDB with $elemMatch.

17. How to add a new field to all documents in MongoDB Collection?

18. Export all Collections in MongoDB Database with mongodump.

19. Retrieve a Random Document in MongoDB Using $sample.

20. Secure MongoDB Access with Username and Password Authentication.

21. How to Search for a Document by ObjectId in MongoDB.

22. How to Select a Single Field in MongoDB for all Documents?

23. How to make a Case-Insensitive Query in MongoDB?

24. How to Retrieve all Unique Key Names in a MongoDB Collection.

25. How to Find Documents by IDs in an Array in MongoDB.

26. How to count documents Grouped by a field in MongoDB.

27. List all Databases in MongoDB Shell.

28. MongoDB Query by Date - Retrieve Documents in Date Range.

29. Query Array of Objects in MongoDB Easily.

30. How to display more than 20 Documents in MongoDB's Shell?

31. How to Combine Data from Multiple Collections in MongoDB?

32. Copy MongoDB Collection to Another Database Easily.

33. Querying Nested Objects in MongoDB - A Complete Guide.

34. Rename Field for All MongoDB Documents Using $rename Operator.

35. MongoDB Naming Conventions - Best Practices for Collections & Fields.

36. Inserting Integers in MongoDB - Example and Syntax Guide.

37. How to Display all Documents from every Collection in MongoDB.

38. Update every document on one field in MongoDB - Full Guide.

More to Come !