Automatically assigned DDC number: 00574

Manually assigned DDC number: 00574

Number of references: 16

Title: Polymorphism and Type Inference in Database Programming

Author:

Author:

Subject: Peter Buneman,Atsushi Ohori Polymorphism and Type Inference in Database Programming

Description: The polymorphic type system of ML can be extended in two ways to make it the appropriate basis of a database programming language. The first is an extension to the language of types that captures the polymorphic nature of field selection; the second is a technique that generalizes relational operators to arbitrary data structures. The combination provides a statically typed language in which relational databases may be cleanly represented as typed structures. As in ML types are inferred, which relieves the programmer of making the rather complicated type assertions that may be required to express the most general type of a program that involving field selection and generalized relational operators. These extensions may also be used to provide static polymorphic typechecking in object-oriented languages and databases. A problem that arises with object-oriented databases is the apparent need for dynamic typechecking when dealing with queries on heterogeneous collections of objec...

Contributor: The Pennsylvania State University CiteSeer Archives

Publisher: unknown

Date: 1994-01-24

Pubyear: 1994

Format: ps

Identifier: http://citeseer.ist.psu.edu/293225.html

Source: ftp://ftp.cis.upenn.edu/pub/papers/db-research/tods94.ps.Z

Language: en

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