Seed data management in Supabase - Cheat Sheet & Quick Revision

Recall & Review

beginner

What is seed data in the context of a database?

Seed data is the initial set of data loaded into a database to set up default values or test data before the application runs.

beginner

Why is seed data management important in Supabase projects?

It ensures the database starts with consistent data for development, testing, or demos, making it easier to work and avoid errors.

intermediate

How can you add seed data in Supabase using SQL scripts?

You write SQL INSERT statements in a file and run them using Supabase CLI or SQL editor to populate tables with initial data.

intermediate

What is a best practice when managing seed data in a team project?

Keep seed data scripts in version control so everyone uses the same starting data and can update it safely.

intermediate

How does seed data differ from migration scripts?

Migrations change database structure; seed data adds initial content. Both are needed but serve different purposes.

What is the main purpose of seed data?

A To change the database structure

B To delete old data

C To set up initial data in the database

D To backup the database

Seed data is used to add initial data, not to change structure or delete data.

Which tool can you use to run seed SQL scripts in Supabase?

A Supabase CLI

B Docker

C GitHub

D Node.js

Supabase CLI allows running SQL scripts including seed data scripts.

Where should seed data scripts be stored in a project?

A Only on local machines

B In version control (e.g., Git)

C In a private folder outside the project

D In the cloud only

Storing seed scripts in version control ensures team consistency.

What is the difference between seed data and migrations?

A Neither affects the database

B Seed data changes structure; migrations add content

C Both do the same thing

D Seed data adds content; migrations change structure

Seed data populates tables; migrations modify tables or schema.

When is seed data typically used?

A During development and testing

B Only in production

C To delete data

D To backup data

Seed data helps developers and testers by providing initial data.

Explain what seed data is and why it is useful in Supabase projects.

Think about how starting with some data helps when building or testing an app.

Describe best practices for managing seed data in a team environment.

Consider how teams share and maintain code and data.