SQL, or Structured Query Language, has a fascinating origin that dates back to the early days of database theory. Let's explore how SQL evolved over time.
Dr. Edgar F. Codd, working at IBM, published a paper titled “A Relational Model of Data for Large Shared Data Banks”, introducing the concept of relational databases.
IBM developed the first version of SQL called SEQUEL (Structured English Query Language) for their System R project.
Relational Software Inc. (now Oracle) released the first commercial SQL-based RDBMS, making SQL accessible to businesses.
SQL was adopted as a standard by ANSI (American National Standards Institute).
SQL was standardized by ISO (International Organization for Standardization), boosting its global acceptance.
💡 Did you know? The name “SEQUEL” had to be changed to “SQL” because “SEQUEL” was already trademarked by an aircraft company.
Today, SQL is the backbone of modern data-driven systems and is supported by almost every relational database system like:
✅ Summary: From an academic paper to a universal language, SQL has become the standard way to manage and query relational databases around the world.
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