TIRE Architectures.
Three-tier or multi-tier architecture is often used when describing how clients connect to database servers. But what does it all mean? Let me try to explain this in non-technical terms (or as close to it I can get). Software Let’s first take a look how a database software program (the software) works. There are three major tiers to the software: -User Interface (UI). This is what you see when you work with the software. You interact with it. There might be buttons, icons, text boxes, radio buttons, etc. The UI passes on clicks and typed information to the Business Logic tier. -Business Logic (BL). The business logic is code that is executed to accomplish something. When a user clicks a button it will trigger the BL to run some code. The BL can send information back to the UI, so the user can see the result of clicking a button or typing something in a field. For instance when you enter something in a cell in Excel, the BL will recalculate other cells once you hit Enter and the UI...