My Blog

Category: 3. History

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  • The Evolution of SQL

    Over time, SQL kept improving:

    • In the 1980s, it was mainly used for simple queries and data management.
    • In the 1990s, advanced features such as Stored Procedures, Triggers, and Complex Joins were introduced.
    • Today, SQL is not just about relational databases—it is also a core part of Big Data, Cloud Databases, and even AI-driven platforms.

  • SQL Becomes a Standard

    In 1986, SQL was officially standardized by ANSI (American National Standards Institute), and later by ISO (International Organization for Standardization).
    This was a turning point because SQL became a universal language for databases, allowing different systems and companies to adopt it consistently.

  • SQL’s First Implementation

    The first practical use of SQL was in the IBM System R Project during the 1970s. System R was an experimental relational database where SQL was tested as the main query language.
    This project proved that relational databases and SQL could work together as a powerful way to manage large amounts of data.

  • The Beginning of SQL

    The history of SQL dates back to the early 1970s. Two IBM researchers, Donald D. Chamberlin and Raymond F. Boyce, designed a new language called SEQUEL (Structured English Query Language).
    The purpose of this language was to make it easier to retrieve and manage data stored in relational databases. Later, the name was shortened to SQL (Structured Query Language).