relational database:
"A software program that allows users to obtain information drawn from two or more databases that are made up of two-dimensional arrays of data."

Get more definitions about relational database and other ERP related terms here.
Learn everything you need to know about ERP software here.

Definitions of terms related to relational database:

• data warehouse
• database management system (DBMS)
• Inventory data accuracy
• Manufacturing database
• nominal data
• normalized data
• product data management (PDM)
• production database