Delete MongoDB Database

In this chapter, we will see how to use MongoDB commands to delete a database.

dropDatabase() method

db.dropDatabase()The command is used to delete the existing MongoDB database.

Syntax

dropDatabase()The basic syntax of the command is as follows-

db.dropDatabase()

This will delete the selected database. If you have not selected any database, it will delete the default "test" database.

Online Examples

First, use the command show dbs Check the list of available databases 。

>show dbs
local　　　　　　0.78125GB
mydb　　　　　　　0.23012GB
test　　　　　　　0.23012GB
>

If you want to delete a new database<mydb>，then use dropDatabase()Command as follows:

>use　mydb
switched　to　db　mydb
>db.dropDatabase()
{　"dropped"　:　"mydb",　"ok"　:　1　}
>

Now check the list of databases.

>show dbs
local　　　　　　0.78125GB
test　　　　　　　0.23012GB
>