Online Crime Investigation ER Diagram

Posted By freeproject on July 17, 2017

This ER (Entity Relationship) Diagram represents the model of Online Crime Investigation Entity. The entity-relationship diagram of Online Crime Investigation shows all the visual instrument of database tables and the relations between Criminal , Department , Case , FIR etc. It used structure data and to define the relationships between structured data groups of Online Crime Investigation functionalities. The main entities of the Online Crime Investigation are Case , Criminal , Crime , Department , Police and FIR .

Online Crime Investigation entities and their attributes :

  • Case Entity : Attributes of Case are case_id, case_crime_id, case_criminal_id, case_name, case_type, case_description
  • Criminal Entity : Attributes of Criminal are criminal_id, criminal_crime_id, criminal_name, criminal_mobile, criminal_email, criminal_username, criminal_password, criminal_address
  • Crime Entity : Attributes of Crime are crime_id, crime_criminal_id, crime_name, crime_type, crime_description
  • Department Entity : Attributes of Department are department_id, department_name, department_place, department_type, department_description
  • Police Entity : Attributes of Police are police_id, police_department_id, police_name, police_mobile, police_email, police_username, police_password, police_address
  • FIR Entity : Attributes of FIR are FIR_id, FIR_name, FIR_type, FIR_description

Description of Online Crime Investigation Database :

  • The details of Case is store into the Case tables respective with all tables
  • Each entity ( FIR , Crime , Police , Criminal , Case ) contains primary key and unique keys.
  • The entity Crime , Police has binded with Case , Criminal entities with foreign key
  • There is one-to-one and one-to-many relationships available between Police , Department , FIR , Case
  • All the entities Case , Police , Crime , FIR are normalized and reduce duplicacy of records
  • We have implemented indexing on each tables of Online Crime Investigation tables for fast query execution.
Online Crime Investigation ER Diagram
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