1. Entity Relationship Diagram :Entity Relationship Diagram1
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Data Dictionary 1. Entity Relationship Diagram : Entity Relationship Diagram1
1.1. Data Dictionary Entity Name Entity Description Column Column Data Type Length Primary Nullable Unique Name Descriptio Key n
Employee An employee is CompanyID integer 10 false false false someone who work ID For the integer 10 true false false in a company unique identificatio n of employee records. name Name of varchar 255 false true false the employee. jobtitle The position varchar 50 false true false of the employee in a company.
Company A company is a ID For the integer 10 true false false unique Entity Name Entity Description Column Column Data Type Length Primary Nullable Unique Name Descriptio Key n
business unit that provides good or service.