The flow of data in a clear form

Tabbulyn materials are designed for those who appreciate an organized approach to working with databases

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Why our materials feel convenient

  • Clear logic

    The materials follow
    a natural sequence
    that helps build
    understanding of how
    data operations work.

  • Real examples

    Each section
    includes practical
    scenarios that show
    how SQL behaves in
    different tasks.

  • Simple structure

    All content is divided
    into logical blocks to
    guide learners from
    basic concepts to
    deeper topics.

  • Practical approach

    The explanations are
    designed to help
    apply knowledge
    while creating personal
    queries.

A path through tables and queries

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A direction shaped by logic

Our function is to turn complex SQL topics into accessible written materials presented in a sequential and understandable way. We create explanations that support logical thinking and reveal connections between data in various situations. The materials are arranged to keep attention on the essential principles of how tables, relationships and queries operate. We aim to make the learning process steady and natural through carefully structured information.

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Tabbulyn

Cipher Key

€190,00 EUR
€190,00 EUR
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People who shape the content

  • Tamsin Whitaker

    Data integration engineer
    Tamsin configures processes
    that move data from different
    sources into a common
    database.

  • Calder Myers

    SQL data architect
    Calder designs database
    structures so that queries
    remain logical and
    readable even years later.

  • Maris Ellison

    Data quality engineer
    Maris checks data for
    completeness, consistency
    and correctness before it is
    used in queries.

An idea shaped by the need for clarity

Tabbulyn began as an idea to create a space where SQL materials are presented in a clear and well-structured form. The project started with a desire to gather practical data-handling methods and turn them into a step-by-step path for anyone exploring query logic. We shaped a style where explanations unfold through examples, smooth transitions and clear guidance, allowing learners to progress without overload. This approach became the foundation for developing materials that support natural skill development.

About us

Questions that appear most often

1. What does the SQL course material include?

The material is designed to explain data manipulation through examples, step-by-step explanations, and logical steps. You get structured text content that helps you understand the key concepts of queries, tables, and the interactions between them.

2. Is the material suitable for beginners?

Yes, the material is designed in a sequential manner that is suitable for those who are just starting to get acquainted with SQL. Each section is structured in such a way that the explanations smoothly flow from one to the next, forming a solid understanding of the basics.

3. Will there be examples in the material?

Yes, the material provides many examples that show how queries, filters, and joins work. Examples help you see the logic of SQL in different situations, which makes the learning process more natural.

4. Can I apply the knowledge to real-world problems?

The materials are built with an emphasis on practical situations where SQL is used to organize data, analyze it, and create logical selections. You will be able to recreate these situations and better understand how the interaction between tables works.