Question
Create a complete Entity Relationship Diagram (ERD) for this scenario based on Crows Foot notation method. Scenario is about an organisation which is working with
Create a complete Entity Relationship Diagram (ERD) for this scenario based on Crows Foot notation method. Scenario is about an organisation which is working with U.S. police to create a database of criminals and their offences.
One or more police officers may be involved in recording witnesses statements to an incident. Note that, an incident is a type of (possibly illegal) activity. An incident may involve one or more offenders, so the police officer can consider each offenders role as an action. For each action, there may be charges laid. The offender may be arrested at some time on one or more charges.
Details to be recorded include police-officer-id, police-officer-first-name, police-officer-surname, police-officer-rank, police-officer-station, offender-id, offender-first-name, offender-surname, offender-address, description Of Offenders Action, incident-id, date, time, location, witness-first-name, witness-surname, witness-address, witness-phone, charge-no, charge-description, charge-date, arrest-no, arrest-date, arresting-police-id, incident-description.
Note: we need to determine primary kes (PKs) and Foreign Keys (Fks) attributes
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