During a conference call with investors, CEO Edward D. Breen defended DuPontâs research spending, saying the firm will still be âone of the highest R&D companies in the world.â Breen noted âwe were very selectiveâ in making the R&D reductions.
System development methodologies are promoted as a means of improving the management and control of the software development process, structuring and simplifying the process, and standardizing the development process and product by specifying activities to be done and techniques to be used.
There are two approaches for developing any database, the top-down method and the bottom-up method. While these approaches appear radically different, they share the common goal of uniting a system by describing all of the interaction between the processes. Let's examine each approach: