For a long time, companies have been using relational databases (DB) to manage data. However, with the increasing use of ...

Catalog description: Relational calculus. Query processing and optimization. Transaction processing: failure, recovery, and concurrency. Database security. Logic-based systems. Parallel, distributed, ...

SQL And Relational Theory is not for beginners to the world of SQL. It is for those who are database professionals and want to pursue becoming masters at their craft.

Relational databases are table oriented: visualizing data as a collection of one-dimensional tables, which that can be manipulated through by relational calculus.

We show that the relational semantics of the Lambek calculus, both nonassociative and associative, is also sound and complete for its extension with classical propositional logic. Then, using ...

Educational Studies in Mathematics, Vol. 79, No. 3, The inverse principle: Psychological, mathematical, and educational considerations (March 2012), pp. 371-388 (18 pages) The basis of this ...