Final answer:
The two most common software systems on ERP platforms are database user interface and query software like Microsoft Access, and office suite software such as Microsoft Office.
Step-by-step explanation:
The two most common software systems used on Enterprise Resource Planning (ERP) platforms are database user interface and query software, and office suite software. An example of database user interface and query software is Microsoft Access, which is widely used for designing and managing databases within an ERP system. For office suite software, the most prevalent is Microsoft Office, which includes various applications such as Word, Excel, PowerPoint, and Outlook, essential for daily business operations integrated into ERP systems.