Databases & SQL · PostgreSQL

PostgreSQL Tutorial

SQL ergonomics through EXPLAIN intuition, transactional behaviour, pragmatic schema design.

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Lesson outline

  1. 13
    Insert Data into PostgreSQL

    Learn to insert data into PostgreSQL tables with hands-on examples, including single rows, multiple rows, and returning values. This practical lesson covers the INSERT statement's syntax, common pitfalls, and best practices for efficient data entry.

  2. 14
    PostgreSQL Tutorial — Part 007

    Placeholder slot — edit in console (postgresql-stub-007).

  3. 15
    Basic SELECT Queries

    Learn to retrieve data with basic SELECT queries in PostgreSQL. This lesson covers the core concepts, step-by-step syntax, and practical examples to get you querying data confidently.

  4. 16
    PostgreSQL Tutorial — Part 008

    Placeholder slot — edit in console (postgresql-stub-008).

  5. 17
    Filter Rows with WHERE

    Learn to filter rows using WHERE conditions in PostgreSQL. This lesson covers the core concept, practical steps, and common pitfalls to help you query data accurately.

  6. 18
    PostgreSQL Tutorial — Part 009

    Placeholder slot — edit in console (postgresql-stub-009).

  7. 19
    Sort Results with ORDER BY

    Sort results with ORDER BY in PostgreSQL — practical, hands-on steps, troubleshooting, and what to study next.

  8. 20
    PostgreSQL Tutorial — Part 010

    Placeholder slot — edit in console (postgresql-stub-010).

  9. 21
    Limit and Offset for Pagination

    Learn to paginate query results in PostgreSQL using LIMIT and OFFSET, with practical examples, edge cases, and performance tips. Perfect for developers building scalable APIs.

  10. 22
    PostgreSQL Tutorial — Part 011

    Placeholder slot — edit in console (postgresql-stub-011).

  11. 23
    PostgreSQL DISTINCT: Unique Values

    Learn to use PostgreSQL DISTINCT to find unique values in query results. Practical examples, edge cases, and next steps in this step-by-step tutorial.

  12. 24
    PostgreSQL Tutorial — Part 012

    Placeholder slot — edit in console (postgresql-stub-012).

    PostgreSQL Tutorial — step-by-step tutorials

    What you will find here

    This track walks through postgresql tutorial in order — each lesson is server-rendered HTML you can read without JavaScript. Follow the outline, then practice in the browser IDE when a lesson links to runnable code.

    Tutorials vs quizzes and code samples

    Tutorials teach in sequence. For quick checks use quizzes. For copy-paste snippets see code samples. For deeper reading browse articles.