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sql · backend · postgresql-dba · data-engineer

Introduction to transactions

10 roles need it, 9 as coreUsually level 3: WorkingLesson available

Where it sits

Learn first

Nothing: a good place to start.

This skill

Introduction to transactions

Leads to

Understanding TransactionsOLTP vs OLAPTransaction isolation levels

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

Distributed Transactions

Distributed Systems for Practitioners

7 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

ABSAggregate functionsAlter tableBasic data typesBasic DELETE statementBasic SELECT statementBasic UPDATE statementBasics SQL

Introduction to transactions: common questions

What is Introduction to transactions?

Introduction to transactions is a skill in sql and backend and postgresql-dba and data-engineer, needed by 10 roles on BootSelf.

Which jobs need Introduction to transactions?

Backend Developer (ASP.NET Core), Backend Developer (Go), Backend Developer (Java, Spring Boot), Backend Developer (Node.js), Backend Developer (Python), and 5 more. Most ask for level 3 (Working): uses it independently on the job.

What should I learn before Introduction to transactions?

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

How do I practise Introduction to transactions?

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.