How to delete lots of mongodb collections at once?

Question

There are a lot of mongodb collections in my database that I need to delete. They all have similar names, and it would be easy to delete them if only wildcard characters cou

Answer 1

You can delete all the collections using the following command.

> use database_name;

> db.getCollectionNames().forEach(function(c) {
    if(c != 'system.indexes') { 
        db.getCollection(c).drop();
    }
  });