This article will explain how to develop a Java program executable from DB-MAIN. This module will access the DB-MAIN repository and generate a dictionary (in CSV format), which contains information about all properties of objects in a schema.
To do this, you need to install Eclipse with Java 1.8 and DB-MAIN on your computer.
In our previous article, we had briefly described the principles of migrating an IMS database towards a relational database (SQL). In this new article, we are going to describe how the structure of the legacy database can be reverse engineered and how the new database can be designed.
The data migration is broken down into three phases :