MongoDB: db.collection.drop() method
db.collection.drop
The db.collection.drop() method is used to removes the specified collection as well as removes any indexes associated with the dropped collection from the database.
Syntax:
db.collection.drop()
db.collection.drop() takes no arguments and will produce an error if called with any arguments.
Example: MongoDB: db.collection.drop() method
Here is the collections in the test database
> show collections
restaurants
restaurants1
system.indexes
user_new
userdetails
The following statement will drop the collection user_new.
db.user_new.drop();
Here is the output.
>db.user_new.drop(); true
Now show the collection list in the test database.
> show collections
restaurants
restaurants1
system.indexes
userdetails
Retrieve the restaurants data from here
Behavior
This method obtains a write lock on the affected database and will block other operations until it has completed.
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db.collection.distinct() method
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db.collection.dropIndex() method
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https://www.w3resource.com/mongodb/shell-methods/collection/db-collection-drop.php
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