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Stop 06 · SQL DatabasesTopics · 8/14

PostgreSQL

Part of the Backend Developer Roadmap

In short

A powerful, open-source relational database known for standards compliance, extensibility (JSON support, full-text search) and being the default choice for most new backend projects today.

How to learn this

  1. 1Install PostgreSQL locally and connect to it with a GUI client (e.g. TablePlus, pgAdmin).
  2. 2Practice PostgreSQL-specific features like JSONB columns and array types.
  3. 3Learn `psql`, the command-line client, for quick queries and debugging.

More topics at this stop

Relational Database ConceptsSQL Basics (SELECT, INSERT, UPDATE, DELETE)JoinsIndexesNormalizationTransactionsACID PropertiesMySQLConstraints & KeysViewsStored ProceduresDatabase Design & ER DiagramsMigrations

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