Khóa học miễn phí MongoDB – Drop Collection nhận dự án làm có lương

MongoDB – Drop Collection



In this chapter, we will see how to drop a collection using MongoDB.

The drop() Method

MongoDB”s db.collection.drop() is used to drop a collection from the database.

Syntax

Basic syntax of drop() command is as follows −

db.COLLECTION_NAME.drop()

Example

First, check the available collections into your database mydb.

>use mydb
switched to db mydb
>show collections
mycol
mycollection
system.indexes
tutorialspoint
>

Now drop the collection with the name mycollection.

>db.mycollection.drop()
true
>

Again check the list of collections into database.

>show collections
mycol
system.indexes
tutorialspoint
>

drop() method will return true, if the selected collection is dropped successfully, otherwise it will return false.


Khóa học lập trình tại Toidayhoc vừa học vừa làm dự án vừa nhận lương: Khóa học lập trình nhận lương tại trung tâm Toidayhoc

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