MongoDB Delete Statement

Open MongoDB Shell

Open the MongoDB Shell from Linux shell
# mongosh Current Mongosh Log ID: 6117225c105379b62b6abaa9 Connecting to: mongodb://127.0.0.1:27017/?directConnection=true&serverSelectionTimeoutMS=2000 Using MongoDB: 5.0.2 Using Mongosh: 1.0.5 For mongosh info see: https://docs.mongodb.com/mongodb-shell/ test>
Switch to our "employee" database
# use employee switched to db employee

Delete Single Record

Run following command to delete one record from "emp_info" collection
employee> db.emp_info.deleteOne( { first:"Allan" } ) { acknowledged: true, deletedCount: 1 }

Show the current records in collections. The record with "first" name "Allan" is no longer in collection.

employee> db.emp_info.find() [ { _id: ObjectId("61172935a1766234eab5b87a"), first: 'John', last: 'Davis', role: 'Dev', country: 'United States of America' }, { _id: ObjectId("61172c1ca1766234eab5b87f"), first: 'Sam', last: 'Doe', role: 'Senior Manager', country: 'United States of America' } ]

Delete Multiple Records

Run following command to delete multiple record from "emp_info" collection
employee> db.emp_info.deleteMany( { country:"United States of America" } ) { acknowledged: true, deletedCount: 2 }

Show the current records in collections. All record are deleted and are no longer in collection.

employee> db.emp_info.find()