BootSelf
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backend · postgresql-dba · bi-analyst · data-engineer

Normalization

7 roles need it, 6 as coreUsually level 3: WorkingLesson available

Where it sits

Learn first

Nothing: a good place to start.

This skill

Normalization

Leads to

Relational DB theoryOLTP vs OLAP

Jobs that need it

What level 3 (Working) means

Uses it independently on the job. Level 4 (Strong): handles hard cases, reviews others.

Start learning

Normalization

Relational DB theory

about 16 min11 parts

Open the lesson

Find out where you stand

A free check, then a route that starts at your level.

Check my readiness

Learned alongside it

Intro to MySQLPostgreSQLApache KafkaCAP TheoremColumnar databasesCouchDBFunctional testingGit

Normalization: common questions

What is Normalization?

Normalization is a skill in backend and postgresql-dba and bi-analyst and data-engineer, needed by 7 roles on BootSelf.

Which jobs need Normalization?

Backend Developer (ASP.NET Core), Backend Developer (Go), Backend Developer (Java, Spring Boot), Backend Developer (Node.js), Backend Developer (Python), and 2 more. Most ask for level 3 (Working): uses it independently on the job.

What should I learn before Normalization?

Nothing in particular: it's a good place to start.

How long does it take to learn Normalization?

The starting lesson, Normalization, takes about 16 minutes. Reaching the level a job asks for takes practice on top: BootSelf measures where you are and plans the rest.

How do I practise Normalization?

Check your readiness for free, then BootSelf builds a route and short daily learning loops: a little theory, checks on what you get wrong, then a small program.