In the above image I have created four documents in MongoDB.

Create a find statement to find the account_name (only this field) which has the highest balance among all Checking accounts.

And

Create an update statement to add an interest rate field to each savings account and assign the field with a value (any number).

"account name": "Maz" "account type": "Checking" "account balance": "564 "account name": "Tommy" "account type": "Savings", "account balance": "203" "account name":"Lizzy" "account type": "Savings", "account balance": "1100 "account name": "Rams" "account type": "Checking" "account balance": "22