Is it possible to find out when was the last change in mongodb?

Question

JavaScript

There is a code that takes data from the database every 5 seconds. I want to add a check that if the data has not been updated during these 5 seconds, then the script will not do anything. Is it possible to find out somehow when the data was last updated or will I have to write the time of the last update to the database myself?

Answer 1

MongoDB does not store the last modified date of a document. You need to store it in a separate field.