How to drop or delete a collection in MongoDB? - Stack Overflow?

How to drop or delete a collection in MongoDB? - Stack Overflow?

WebJun 10, 2024 · Delete a MongoDB collection by calling the database object’s drop_collection () method. The drop_collection () method offers another simple way to delete MongoDB collections in Python, but this … WebJan 31, 2024 · mongoimport is a powerful command-line tool for importing data from JSON, CSV, and TSV files into MongoDB collections. It's super-fast and multi-threaded, so in many cases will be faster than any custom script you might write to do the same thing. mongoimport use can be combined with some other command-line tools, such as jq for … bad company corrupts good character proverbs Webdrop_collection() Drops the entire collection associated with this Document type from the database. from_json() ... MongoEngine - Indexes. An indexed collection results in faster processing of queries. By default, … WebJun 10, 2024 · Prerequisites: MongoDB and Python. With the help of drop_indexes () method we can drop all the indexes in a Collection. No parameter is passed in the method. Only default index _id can not be deleted. All the Non _id indexes will be the drop by this method. It means we can only drop the index which we have created. androgen-dependent areas of the body WebJul 31, 2014 · 2 Answers. You can either delete an single Document instance by calling its delete method: lunch = Food.objects.first () // Get a single 'Food' instance lunch.delete () // Delete it! You may also want to use lunch = Food.objects.get () if you expect one and only one document to match the query (typically request by ID). WebCreates a new collection or view. For views, see also db.createView (). Because MongoDB creates a collection implicitly when the collection is first referenced in a command, this method is used primarily for creating new collections that use specific options. For example, you use db.createCollection () to create a: bad company corrupts good character got questions WebNov 27, 2014 · MongoEngine uses Unique Indices in the Collection to enforce unique fields. Perhaps try running the tests again and ensure that the indices do/don't exist? ... User.drop_collection() inside of tearDown to clean the collection between test cases. self.db.drop_database ...

Post Opinion