SQL query language
SQL, lenguaje de consulta estructurado
- Date
- 1974 · confidence high
- Place
- IBM Research, San Jose, California, United States
- Credited to
- Donald Chamberlin and Raymond Boyce (IBM, System R); first commercial product, Oracle (1979)
- People
- 👤 Donald D. Chamberlin1944–👤 Raymond F. Boyce1946–1974
- Field
- Knowledge & symbols
What it is
Declarative, almost-English language for defining and querying relational databases. It is the world's most widely used data language half a century later.
What it led to
- The founding of Oracle and the database industry
- Access to data by non-programmer analysts
- SQL injection as a classic web vulnerability
Built on
- Relational database model1970
- relational algebra
Made possible
- Oracle Database
- MySQL and PostgreSQL
- database-driven web applications