Browsing by Subject "Databases -- Design"
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(Universitat Politècnica de Catalunya, 2009-01-19)
Open AccessLike any software artifact, conceptual schemas of information systems can be tested. Testing conceptual schemas has some similarities with testing programs, but there are important differences. We present a list of six ...
External research report
Open AccessA query is satisfiable if there is at least one consistent instance of the database in which it has a non-empty answer. Defining queries on a database schema and checking their satisfiability can help the database designer ...