Positive Higher−Order Queries
We investigate a higher-order query language that embeds operators of the positive relational algebra within the simply-typed Lambda-calculus. Our language allows one to succinctly define ordinary positive relational algebra queries (conjunctive queries and unions of conjunctive queries) and, in add...
Main Authors: | , , |
---|---|
格式: | Journal article |
出版: |
2010
|