provide a step by step guide on how to Build a three tier architecture app of your choice (from scratch). It should not be a web app. The database should be able to perform all OLAP operations perfectly and accurately. Use any database management system of your choice. Mention all softwares used, how to use them, include links to video material that will help in carrying out this task perfectly. It's okay if the GUI only provides an interface for performing all OLAP operations on the database.