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.
In object-relational mapping products, the
ability to directly manipulate data stored in a relational database using an object programming
language is called transparent persistence.
This is in contrast to a database sub-language used by embedded SQL or a call
interface used by ODBC or JDBC. See transparent
persistence vs. JDBC call-level interface (new window).
Using an object-relational mapping product means
you will have less code to write and, depending on how you use your data, you might have higher
performance over an embedded SQL or a call interface. See caching
for object-relational mapping (new window).
With transparent persistence, the manipulation
and traversal of persistent objects is performed directly by the object
programming language in the same manner as in-memory, non-persistent objects.
This is achieved through the use of intelligent caching as this animation shows.
For coding examples, see how
to access data in a relational database.
There are nearly 400 pages of articles on this site with over 50 pages on object-relational mapping.
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