Clone a collection in MongoDB

by

Yet again the MongoDB documentation comes to the rescue

assuming that the collection actually is named “demo1.categories”:

db.demo1.categories.find().forEach( function(x){db.demo2.categories.insert(x)} );

More Related Contents:

  1. How to select a single field for all documents in a MongoDB collection?
  2. How to copy a collection from one database to another in MongoDB
  3. How does MongoDB sort records when no sort order is specified?
  4. How to listen for changes to a MongoDB collection?
  5. Cascade style delete in Mongoose
  6. Add new field to every document in a MongoDB collection
  7. Check that Field Exists with MongoDB
  8. ‘Failed to unlink socket file” error in MongoDB 3.0
  9. MongoDB aggregation comparison: group(), $group and MapReduce
  10. Best practice to maintain a mgo session
  11. MongoDB group by array inner-elements
  12. Multiple Counts with single query in mongodb
  13. NoSQL (MongoDB) vs Lucene (or Solr) as your database [closed]
  14. Delete everything in a MongoDB database
  15. How to return array of string with mongodb aggregation
  16. How to return just the nested documents of an array from all documents
  17. Mongoose’s find method with $or condition does not work properly
  18. return query based on date
  19. How does MongoDB deal with concurrent updates?
  20. MongoDB print distance between two points
  21. mgo – query performance seems consistently slow (500-650ms)
  22. mongodb – Find document with closest integer value
  23. querying a collection without passing schema in mongoose
  24. Update a value in MongoDB based on its current value
  25. How to connect to external MongoDB instance in Meteor?
  26. Find documents whose array field contains at least n elements of a given array
  27. Generating a Structure for Aggregation
  28. What is the difference between save and insert in Mongo DB?
  29. MongoDB: how to count number of keys in a document?
  30. Query for a field in an object in array with Mongo?

Leave a Comment