SEQUEL 2 is a query language created in 1976 by creators Donald D. Chamberlin and M. M. Astrahan and K. P. Eswaran and P. P. Griffiths and Raymond Lorie and J. W. Mehl and P. Reisner and B. W. Wade.
| #4543on PLDB | 49Years Old |
Sequel 2 is a relational data language that provides a consistent, English keyword-oriented set of facilities for query, data definition, data manipulation, and data control. Sequel 2 may be used either as a stand-alone interface for nonspecialists in data processing or as a data sublanguage embedded in a host programming language for use by application programmers and data base administrators.