Select Necessary Data (Projection)
Author: Al-mamun Sarkar
Date: 2020-09-11 14:51:56
In this lesson, I will show how you can select only the necessary column for inside find query.
Query Example:
Find the only name and email from employees collection:
db.employees.find({}, {name:1, email:1})
Find the only name and email and skip _id:
db.employees.find({}, {name:1, email:1, _id:0})