Fact structure and its application to updates in relational databases

This article presents a declarative language, called update calculus, of relational database updates. A formula in update calculus involves conditions for the current database, as well as assertions about a new database. Logical connectives and ...

From the beginning of 1994 to the end of 1996, the IRO-DB (Interoperable Relational and Object-Oriented Databases) ESPRIT project has developed tools for accessing relational and object-oriented databases in an integrated way, and for designing and ...

These days' Big data is becoming a very essential component for the industries where large volume of data at very high speed is used to solve particular data problems. Generally, big data is first analyzed and then used with other available data in the ...