Delete the database MongoDB

grammar

MongoDB database delete syntax is as follows:

db.dropDatabase()

Delete the current database, the default for the test, you can use db command to view the current database name.

Examples

The following example we removed the database w3big.

First, check all databases:

> show dbs
local   0.078GB
w3big  0.078GB
test    0.078GB

Then we switch to the database w3big:

> use w3big
switched to db w3big
> 

Delete command:

> db.dropDatabase()
{ "dropped" : "w3big", "ok" : 1 }

Finally, we show dbs command through the database deleted successfully:

> show dbs
local  0.078GB
test   0.078GB
> 

Delete Collection

Collection delete syntax is as follows:

db.collection.drop()