The last three parts of our conversion blog (see all of the posts here) go hand-in-hand and require the most time on the project plan. Development - During development of the conversion routines, you may want to consider using error handling standards based on corporate standards. This is where data
I have a rule – any conversion or upgrade will require the creation of a decommission plan. A decommission plan should include the following: A list and definition of each database, table and column (source and target). A list and definition of each of the current programs in use (you
The physical data model should represent exactly the way the tables and columns are designed in the in the database management system. I recommend keeping storage, partitioning, indexing and other physical characteristics in the data model if at all possible. This will make upkeep and comparison with the development, test
I have a question --- do we need a logical data model for a conversion? Here are my thoughts. I believe the answer is yes if the conversion has any of the following characteristics: The target application is created in-house. This application will more than likely be enhanced in the
Don't be shy! Interviewing people BEFORE or AFTER a facilitated session just takes a bit of confidence, and good preparation. Building your confidence gets easier and easier the more you participate in interviews. The objective is to prepare and not waste anyone’s valuable time. I like to prepare notes based on
