August 2009
Intermediate to advanced
893 pages
26h 48m
English
Content preview from Database Systems: Concepts, Design and Applications
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
Start your free trial
16.2. History of Object-relational DBMS (ORDBMS)
In response to the weaknesses of relational database systems (RDBMSs) and in defence of the potential threats posed by the rise of the OODBMSs, the RDBMS community extended the RDBMS with objected-oriented features. Let us first discuss the inherent weaknesses of legacy RDBMS, the requirement of storage and manipulation of complex objects by the modern database applications followed by the emergence of relational ODBMSs.
16.2.1. Weaknesses of RDBMS
The inherent weaknesses of relational database management systems (RDBMSs) make them unsuitable for the modern database applications. Some of the weaknesses of RDBMSs are listed below:
Poor representation of ‘real world’ entities resulting out of the ...