Written by three leading researchers in the field, this book provides in-depth coverage of the theory concerning the logical level of database management systems, including both classical and advanced topics. Features *Emphasizes query languages for the relational model including coverage of diffe[...]

Throughout Europe, governments have acted in accordance with the conviction that a larger and uniform market would enable greater economies of scale and growth of large corporations. This title shows how nature of firms is embedded in the larger societal context of nations, preventing a homogenised [...]