Dr. Stonebraker has also provided a way for classifying DBMSs based on
performance on complex data. He mentioned this during a question and answer
session at the Object/Relational Summit in Boston in August, 1997. He said,
"My point of view is that if you want to navigate your objects in C++,
object databases do that blindingly fast -- way faster than a relational or an
object-relational engine." (This was before Java became popular.) Listen to
Dr. Stonebraker: Stonebraker.wav
(178KB).
Let's look at what it means to navigate objects. The following figure shows a
few instance objects that are part of a database of parents, children, and
addresses. The arrows show the relationships among the instance objects. Moving
from one instance to another along the arrows is navigation. Languages such as
C++ and Java provide ways to navigate among objects. The speed of this
navigation is what Dr. Stonebraker describes as the strength of ODBMSs.
Querying object structures such as this requires navigation. See the query
navigation page and then we will create a better DBMS Matrix.
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based on 7 reviews.
based on 5 reviews.
based on 7 reviews.
