Database ERD
Order Description
Create requirement definition document for your project. use ER Assistant, Visio, SQL Developer Data Modeler or other suitable diagram tool to create Entity Relationship Diagram (ERD) for your lab project. Submit your requirement document and design ERD for approval.
Analyze the business problem you want to solve, and put the results into a requirement definition document. The document describes business rules by identifying what business data you want to keep track of and how those data are related to each other.