May 2008 - Posts

In-Memory Database: Waypoint #2
13 May 08 10:33 AM | jons | (Comments Off)   

Previously, on In-Memory Database, I talked about building something new that is derived from the SharpHSQL and SQLite code bases.  I have made some progress. Architecture I have made a couple of architectural decisions: First , The database must Read More...

ORM with NHibernate
12 May 08 12:33 PM | jons | 1 Comments   

In this post I am going to refer to the code and Power Point slides that I used at the Code Camp.  You do not need to have these materials but it might help. Just to refresh our memories, an ORM maps data between the application domain model objects Read More...

Life
12 May 08 10:35 AM | jons | (Comments Off)   

Life is what happens as we are planning other things. If You Want to Make God Laugh, Tell Him Your Plans. Read More...

ORM: Prelude to Greatness: the Requirements for Mapping
02 May 08 04:51 PM | jons | 1 Comments   

All of these solution approaches involve mapping between the application view and the database view. The problem with each of these approaches is that the mapping is defined within the application or the database. What we want is a solution that is outside Read More...

In-Memory Database: Waypoint #1
01 May 08 11:09 AM | jons | 1 Comments   

I have narrowed my search for an  in-memory database to support unit testing down to SQLite ( here and here ) and SharpHSQL ( here and here ).  Both are open-source implementations of in-memory SQL databases.  SQLite is written in mostly Read More...

ORM: The Gray Zone Revisited
01 May 08 09:59 AM | jons | 2 Comments   

A key message in the previous ORM posts is that application point of view and the database point of view are both valid.  What we have to do is to create an environment in which the application domain modelers to do their work at the same time that Read More...