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MSQL: A multidatabase language

1989; Elsevier BV; Volume: 49; Issue: 1-3 Linguagem: Inglês

10.1016/0020-0255(89)90024-8

1872-6291

Witold Litwin, Abdelaziz Abdellatif, A. Zeroual, B. Nicolas, Ph. Vigier,

Semantic Web and Ontologies

Many databases are now accessible through computer networks, and users frequently have data of interest in different databases. Manipulations of such data call for functions that do not exist in classical manipulation languages and database systems. A new type of data manipulation languages is needed, called multidatabase manipulation languages. We describe the multidatabase language msql, designed for the manipulation of data from different relational databases. msql is an extension of sql, which has become the standard for relational database systems.