Questions to solve - Deepstash

Questions to solve

  • What if we want to get data if the database is empty?
  • what if we want to update a student that is not in the database?
  • What if we want to delete a student that is not in the database?
  • What if we want to get data by id, not whole data?


55 reads



Goal: To provide a simple way to get up and running a high-performance HTTP server that is easy to build, expand, and ultimately to scale.

The idea is part of this collection:

Machine Learning With Google

Learn more about computerscience with this collection

Understanding machine learning models

Improving data analysis and decision-making

How Google uses logic in machine learning

Related collections

Similar ideas to Questions to solve

Saving with update_fields

To prevent updating every field of the model you can use the update_fields parameter. It expects a list of fields that you want to save. The UPDATE that is run against the database then only updates those fields that you have specified.

For example, in case we only want to update the price ...


Our self-beliefs keep updating after seeing new data presented to us by the world we live in. If we are able to assimilate all data and update/revise our mind, then ‘belief-updating’ happens.

If the mind does not get input, there is no belief updating, even if the event/data is the...

What is an index?

A database index is a data structure that improves the speed of data retrieval operations on a database table at the cost of additional writes and storage space to maintain the index data structure. Indexes are used to quickly locate data without having to search every row in a database table eve...

Read & Learn

20x Faster





Personalized microlearning

100+ Learning Journeys

Access to 200,000+ ideas

Access to the mobile app

Unlimited idea saving

Unlimited history

Unlimited listening to ideas

Downloading & offline access

Supercharge your mind with one idea per day

Enter your email and spend 1 minute every day to learn something new.


I agree to receive email updates