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Distributed Database Systems
(xiii) The OODBMS must provide a simple way of querying data – An OODBMS must provide ad
hoc queries facility that is high-level, effi cient, and application independent. It is not mandatory
for the system to provide a query language, but it can provide a graphical browser instead.
In addition, the manifesto also proposes some optional features such as multiple inheritance, type
checking and type inferencing, distribution across a network, design transactions and versions. However,
the manifesto does not mention any direct rules for the support of integrity, security, or views.
13.3.2 Benefits of OODBMS
An OODBMS ...