Dropping a Database in MongoDB?

Preview · Free practice

MongoDB

Removing a database and all its collections.

Simple meaning: Dropping a database removes all collections inside it.
How to use: use college then db.dropDatabase(). Or drop one collection: db.students.drop().
Backup first with mongodump if the data matters.
Common mistake: drop on Atlas prod. Check db.getName().
Interview tip: dropDatabase vs collection.drop — say the blast radius.

Technical Interview Tip: Say what is deleted: DB vs one collection.

use prep_pilot
db.dropDatabase()

Dropping a Database — db.dropDatabase() deletes the current database and all its collections.

db.students.drop()

Removing a database and all its collections.

Simple meaning: Dropping a database removes all collections inside it.

How to use: use college then db.dropDatabase(). Or drop one collection: db.students.drop().

Backup first with mongodump if the data matters.

Common mistake: drop on Atlas prod. Check db.getName().

Interview tip: dropDatabase vs collection.drop — say the blast radius.

Interview Tip: Say what is deleted: DB vs one collection.