In this section, we show you how to use MongoDB to delete collections.
Used in MongoDB
drop()
Method to delete the collection.
语法格式：
db.collection.drop()
Parameter description:
None
返回值
If the selected collection is successfully deleted, the In the database mydb, we can first view the existing collections through the show collections command: Then delete the collection View the database again through show collections It can be seen from the results
drop()
Method returns
true
Otherwise, return
false
. 3.12.1. Example ¶
>use mydb
switched to db mydb
>show collections
mycol
mycol2
system.indexes
runoob
>
mycol2
:>db.mycol2.drop()
true
>
mydb
Collections in:>show collections
mycol
system.indexes
runoob
>
mycol2
The collection has been deleted.