You might have seen the recent news reports about the collision between U.S. and Russian communication satellites. The U.S. satellite was one of the Iridium satellites. What wasn’t reported and you probably don’t know is that an object database management system (ODBMS) is an important part of the Iridium system. Even though ODBMSs are a [...]
February 13, 2009
I am now also posting on the Cutter Blog. My initial posting is (The Acronym) SOA is (Perhaps) Dead (at Some Companies); Long Live Services. It is a response to Anne Thomas Manes’ SOA is Dead; Long Live Services on her blog at the Burton Group.
January 9, 2009
The typical definition of an atomic task or process is one that cannot be decomposed further. This is vague and subject to interpretation. The Decomposition Matrix on this site uses a specific definition: A task (for business process diagrams) or a process (for data flow diagrams) is atomic if every input relates to every output [...]
December 3, 2008
My last posting referenced the criteria for a well-formed business process diagram mentioned in Business Process Driven SOA using BPMN and BPEL by Matjaz B. Juric and Kapil Pant. I am going to expand on their criteria to create a more comprehensive definition of a well-formed business process diagram. To start, here are three criteria [...]
November 18, 2008
I recently received two new books on business process modeling. Both books looked interesting because they had great titles. As it turns out, one book is great and the other not so good. The not so good book is Business Process Driven SOA using BPMN and BPEL by Matjaz B. Juric and Kapil Pant. There [...]
October 9, 2008
The Design Decomposition Blog is written by Doug Barry.
I believe we'd be better served by a change in the vertical axis of the
DBMS Matrix. Handling queries is not a valid way to classify DBMSs. Many DBMSs
handle queries, including relational, object, and object-relational. Navigation
performance is a way to classify DBMSs. If we draw a new matrix taking
navigation into consideration, a clearer, more accurate picture results, as
shown in the following figure. By the way, it is assumed that all DBMSs in this
matrix handle queries. Nevertheless, I have noted this in the left axis just so
there is not mistaking this fact.
This matrix indicates that if you have a business need for high performance
on complex data, you should be looking at ODBMSs. It is terribly wrong to discount
ODBMSs based on the erroneous idea that they do not handle queries. It is more
accurate to see that they handle queries and provide high performance navigation
for complex data -- often, that navigation involves queries.
There are nearly 400 pages of articles on this site with over 50 pages on object-oriented database management systems.
Search this site for more articles
Custom Search
Browse this site for more articles
Click on the topics below to browse the articles on this site. You can see more detail by clicking on the arrows. This highlights the location of the current
article: A better DBMS Matrix.
Related recent articles from Google News
ZK with Non-relational Database mongoDB TheServerSide.com Typically, for relational databases developers either use plain JDBC or some sophisticated object-relational mapping library like Hibernate. This series of small talk will show how developers can develop non-relational database driven ZK applications. 26 Jan 2012 at 1:42pm
LightSpeed – A Commercial ORM For .NET InfoQ.com We'd worked with existing object-relational mappers (ORMs), but there wasn't much choice in the .NET space at the time. It was pretty much NHibernate or build your own from scratch, and a lot of organisations were building their own. 6 Feb 2012 at 6:40am
Hadoop, Ruby on Rails Among Top 16 Open-Source Projects of 2011 eWeek PostgreSQL—often referred to as Postgres—is an object-relational database management system available for many platforms, including Linux, FreeBSD, Solaris, Microsoft Windows and Mac OS X. It's released under the PostgreSQL License, ... 12 Jan 2012 at 4:24pm
Wrt54g2 firmware download Groovy Green ... and subsystem tuningData sharing architecture and implementation in a Parallel Sysplex environmentDetailed application wrt54g2 firmware download coverage database extenders, cursors, stored procedures, triggers, object-relational extensions, ... 26 Jan 2012 at 8:17pm
Doctrine 2 e Zend Framework 2, un esempio di combinazione vincente Programmazione.it Sebbene lo Zend Framework abbia un proprio modulo chiamato Zend_Db destinato alla gestione dello scambio di informazioni tra un'applicazione PHP e un eventuale Database Management System relazionale (RDBMS) l'approccio che questo componente presenta è ... 30 Jan 2012 at 11:28pm
