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.
ADO.NET provides the database access for Microsoft.NET. XML is used in ADO.NET for in-memory middle-tier business objects, or DataSets, built at run-time from EIS-tier databases. The DataSets are a copy of the data in the database and are not actively connected to the underlying databases. This is referred to as a "disconnected" view of the database data. ADO.NET is designed to work with all the languages supported in .NET. ADO.NET can be used with virtually any database management system.
ADO.NET uses the call-level approach. This is illustrated by the ADO.NET statements
in this diagram:
An example of a host statement in C# that creates a new Person instance, or DataRow, would be:
If you also wanted to manipulate this new Person instance in the host program, you would need C# code in addition to this code fragment that populates the instance in C# along with the instance in the database.
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