Enterprise resource planning ERP systems make an attempt to integrate a number of data sources and processes of an organization into a unified system.A standard ERP system will make use of many components of computer software and hardware to complete the integration; for a full overview see our detailed articles here. A fundamental ingredient of most ERP systems is the operateion  of a unified database to store data for the range of system modules.The two key components of an ERP system are a common database and a modular software design. A common database is the arrangement that allows all departments of a company to store and retrieve information in real-time. Using a common database allows information to be further trustworthy, easy to get to, and simply shared.