Übersicht			Auf mobile öffnen

Lieferstatus:	i.d.R. innert 14-24 Tagen versandfertig
Veröffentlichung:	August 1997
Genre:	EDV / Informatik
	COMPUTERS / Computer Science / COMPUTERS / Databases / General / COMPUTERS / System Administration / Storage & Retrieval
ISBN:	9780792399711
EAN-Code:	9780792399711
Verlag:	Springer Nature B.V.
Einband:	Gebunden
Sprache:	English
Serie:	#7 - Advances in Database Systems
Dimensionen:	H 234 mm / B 156 mm / D 13 mm
Gewicht:	444 gr
Seiten:	188
Bewertung:	Titel bewerten / Meinung schreiben

Inhalt:

Object-oriented database management systems (OODBMS) are used to imple­ ment and maintain large object databases on persistent storage. Regardless whether the underlying database model follows the object-oriented, the rela­ tional or the object-relational paradigm, a key feature of any DBMS product is content based access to data sets. On the one hand this feature provides user-friendly query interfaces based on predicates to describe the desired data. On the other hand it poses challenging questions regarding DBMS design and implementation as well as the application development process on top of the DBMS. The reason for the latter is that the actual query performance depends on a technically meaningful use of access support mechanisms. In particular, if chosen and applied properly, such a mechanism speeds up the execution of predicate based queries. In the object-oriented world, such queries may involve arbitrarily complex terms referring to inheritance hierarchies and aggregation paths. These features are attractive at the application level, however, they increase the complexity of appropriate access support mechanisms which are known to be technically non-trivial in the relational world.