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1.2. This question contains a brief UoD that provides contextual information regarding a system ororganisation. You will need to create an Entity Relational (ER) diagram, or Extended Entity Relational(EER) diagram based on the UoD. If the UoD is unclear regarding specific aspects of the brief you maynote assumptions on your ER diagram. However, please beware that your assumptions must not conflictwith or violate any aspects of the UoD.In a busy medical facility, individuals are treated and identified by a unique code, and their names andhome addresses are kept on record. There are two types of individuals, one who stays in the facility andis assigned a room number (Inpatient), and the other who visits the facility and is given a date for theirnext appointment (Outpatient). Additionally, the medical facility keeps medical records for all patients.Each record is associated with a unique number, the date it was created, and a diagnosis.The medical facility also maintains a detailed catalog of health professionals, each with their uniqueidentifiers and specialty fields. These professionals are involved in the administration of varioustreatments, each of which is given a unique code, a name, and a detailed description. A treatment canbe administered by a health professional to an individual at a given date and time.

Question

1.2. This question contains a brief UoD that provides contextual information regarding a system ororganisation. You will need to create an Entity Relational (ER) diagram, or Extended Entity Relational(EER) diagram based on the UoD. If the UoD is unclear regarding specific aspects of the brief you maynote assumptions on your ER diagram. However, please beware that your assumptions must not conflictwith or violate any aspects of the UoD.In a busy medical facility, individuals are treated and identified by a unique code, and their names andhome addresses are kept on record. There are two types of individuals, one who stays in the facility andis assigned a room number (Inpatient), and the other who visits the facility and is given a date for theirnext appointment (Outpatient). Additionally, the medical facility keeps medical records for all patients.Each record is associated with a unique number, the date it was created, and a diagnosis.The medical facility also maintains a detailed catalog of health professionals, each with their uniqueidentifiers and specialty fields. These professionals are involved in the administration of varioustreatments, each of which is given a unique code, a name, and a detailed description. A treatment canbe administered by a health professional to an individual at a given date and time.

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Solution

Creating an ER diagram involves identifying the entities, attributes, and relationships in the given scenario. Here's a step-by-step guide to creating an ER diagram based on the given scenario:

Step 1: Identify the Entities From the scenario, we can identify the following entities:

  • Individual
  • Medical Record
  • Health Professional
  • Treatment

Step 2: Identify the Attributes Next, we identify the attributes for each entity:

  • Individual: Unique Code, Name, Home Address, Room Number (for Inpatients), Next Appointment Date (for Outpatients)
  • Medical Record: Unique Number, Creation Date, Diagnosis
  • Health Professional: Unique Identifier, Specialty Field
  • Treatment: Unique Code, Name, Description, Administration Date and Time

Step 3: Identify the Relationships Finally, we identify the relationships between the entities:

  • An Individual can have one or more Medical Records.
  • A Health Professional can administer one or more Treatments.
  • A Treatment can be administered to one or more Individuals.
  • An Individual can be an Inpatient or an Outpatient, but not both.

Step 4: Draw the ER Diagram Now, we can draw the ER diagram. Each entity is represented as a rectangle, each attribute as an oval, and each relationship as a diamond. The relationships are connected to the entities with lines.

Please note that this is a text-based platform and I am unable to draw the ER diagram here. However, you can use any ER diagram tool to draw it based on the identified entities, attributes, and relationships.

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