Titlebook: Database Systems; Paul Beynon-Davies Textbook 1996Latest edition P. Beynon-Davies 1996 architectures.database.database administration.data

PALMY

https://doi.org/10.1007/978-3-030-49000-3 distinguish between two key roles which have emerged with the rise of database systems: the database administrator and data administrator. The data administrator is now one of the key persons involved in the development of databased information systems. We also describe some of the key functions of

費解

憎惡

Brittle

Francesco Palermo,Alice Valdesaliciim of this chapter is to portray how conceptual modelling as applied to database systems can move relatively painlessly into the domain of OO. We will discuss how OO analysis, an approach primarily directed at the building of applications in procedural or objectoriented languages, is equally relevan

A簡潔的

不舒服

Databases as Abstract Machinessome system without any detail of implementation. The objective of this chapter is to describe the major components of a database system without introducing any formal notation, or introducing any concepts of representation, development or implementation. Concepts of representation are considered in

污穢

LURE

Classic Data Modelsthe idea of a classic data model in terms of record-orientation. In this sense, we might include the relational data model in amongst the classic data models. Here, the network and hierarchical data models are also described as being classic in the sense that they formed the basis for the first comm

intention

CYN

DBMS Interface – SQLpractice is primarily centred around a language known as SQL (Structured Query Language). SQL was originally designed as a query language based on the relational calculus (section 3.3.11). The current specification of SQL is however much more than simply a query language. It is more accurately descr