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sql · postgresql-dba · aspnet-core · bi-analyst · data-engineer

Basics SQL

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

Where it sits

Learn first

Transaction ManagementRetrieving DataData Definition LanguageIntroduction to SQL

This skill

Basics SQL

Leads to

SQL and Databases

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

Practice & Prep

SQL: From Beginner to Advance

89 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 statementCASE statement

Basics SQL: common questions

What is Basics SQL?

Basics SQL is a skill in sql and postgresql-dba and aspnet-core and bi-analyst and data-engineer, needed by 10 roles on BootSelf.

Which jobs need Basics SQL?

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 Basics SQL?

Transaction Management, Retrieving Data, Data Definition Language, Introduction to SQL.

How do I practise Basics SQL?

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.