I’m currently working on a project that involves a system that is basically unknown to me. We also have to make changes (additions) to the system as part of our project. The system is a PL/SQL hard-shell application with all business logic and queries in the Oracle database and has about 1 million lines of code. Being a PL/SQL application, it has the great advantage that the source code is easily available for quick searches through views like all_source. We also know that all queries are in the database.

My requirement was to intercept and change the logic around the update of a specific column in a specific table. This means that I will have to find and examine all statements that inserts into or updates this table.Read More »