- Structured Query Language
- (SQL or SEQUEL)
- Wikipedia reference
- Success of relational databases
- Developed for SystemR at IBM
- ANSI standardised
- SQL-1986 (SQL1), ongoing extension
- SQL-1992 (SQL2), current version (Oracle 9i)
- SQL-1999 (SQL3), regular expression matching, recursive queries
- SQL-2003, XML features, auto-generated columns
In Focus
2.1.05. SQL