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SQL

90 people are learning this skill right now!
SQL stands for Structured Query Language. It is the standard language used to manipulate and query data in relational databases.

  1. Learn SQL with the Practica AI Coach

    The Practica AI Coach helps you improve in SQL by using your current work challenges as opportunities to improve. The AI Coach will ask you questions, instruct you on concepts and tactics, and give you feedback as you make progress.

  2. Intro to SQL

    SQL is a programming language used to manage and manipulate relational databases. It is widely used in the tech industry and is essential for data-driven Decision Making.
    • Data Science Reality logo
      Roadmap to Learn SQL

      Arif Alam, Founder, Data Science Reality

      Arif provides a list of the key concepts that you'll need to learn to learn SQL, along with the order to learn them in.
    • GrandVision logo
      Your SQL is not like my SQL

      Julien Kervizic, Senior Enterprise Data Architect, GrandVision

      Julien explains which jobs frequently use SQL, and the different SQL skills needed for each: Transactional SQL for software engineers Analytical SQL for data analysts Data Engineering SQL for data engineers

  3. The Role of SQL in the Data Ecosystem

    SQL plays a crucial role in the data ecosystem, allowing businesses to store, retrieve, and analyze large amounts of data. It is often used in conjunction with other technologies such as data warehousing and business intelligence tools. Understanding SQL is essential for anyone working with data in a professional context.
    • Timescale logo
      Why SQL is beating NoSQL, and what this means for the future of data

      Ajay Kulkarni, Co-Founder / CEO, Timescale

      Ajar covers: • Part 1: A New Hope - To understand why SQL is making a comeback, let’s start with why it was designed in the first place. • Part 2: NoSQL Strikes Back • Part 3: Return of the SQL • But don’t take our word for it. Take Google’s. • What this means for the future of data: SQL as the universal interface

  4. SQL Tutorials

    SQL tutorials are available for beginners and advanced users. These tutorials cover the basics of SQL syntax and commands, as well as more complex topics such as database design and optimization.

  5. Advanced SQL

    Advanced SQL topics include subqueries, joins, and stored procedures. These concepts are important for optimizing database performance and creating complex data models.