A data manipulation language (DML)
- allows expression of queries and updates (insert, modify, replace,
delete)
- query languages is a subset of DML
- query selects a portion of the database
- may (what do I want to do, and how to do it) or may not be procedural
(what do I want to do)
source
psfile jl@crush.caltech.edu index
relational_language
QUEL
DBMS
SQL