:For each entity, the name of the identifier is underlined on an E-R diagram a O identified by using a double-lined ellipse b o bold on an E-R diagram .c O written in all capital letters on an E-R diagram d O
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- Please explain this Enhanced entity-relationship (EER) Diagram (see attached photo)Create an entity-relationship diagram for the three entities showing the correct cardinalities. Save and print a copy.create an Enhanced Entity-Relationship (EER) diagram based on the provided information. Based on the following description, try creating the diagram using a tool such as draw.io, Lucidchart, or any other ER diagram tool: Entities: Person: person_ID (PK), name, address, birth date, phone number Subtypes: Employee, Physician, Patient, Volunteer Visit: date (PK, partial identifier), comments Care Centre: care_centre_ID (PK), name, location Laboratory: lab_ID (PK), name, location Bed: bed_number (PK), room_number, care_centre_ID (FK) Item: item_number (PK), description, unit_cost Treatment: treatment_ID (PK), treatment_number, treatment_name, treatment_date, treatment_time, results Relationships: Works_In (Person - Care Centre): Person (1, M) ----< Works_In >---- (1, M) Care Centre Assigned_To (Employee - Care Centre): Employee (1, M) ----< Assigned_To >---- (1, M) Care Centre Assigned_To (Physician - Care Centre): Physician (1, M)…
- Attributes from the identifying entity set's main key may be added to a weak entity set to make it strong. Please describe the overlap that will develop as a result of our choice.Question 3 Please help with a Koltin-based Countdown Timer -Entity Relationship Diagram 1. Entities 2. Attributes 3. Relationships Text typing work onlyThe code below demonstrates an important OOP characteristic. Describe this characteristic, then using a diagram, draw a representation of the relationship with the relevant content in it.
- 1) Add a couple of attributes (including Primary keys) to each entity set. 2) Use Reification to transform it into a diagram with only binary relationships.Develop an E-R diagram with the appropriate cardinality notationsHow to read an ER diagram with 2 entity’s named Store and region with maximum and minimum cardinality constrains and a relationship named it’s locatedin
- Modify and (if required) correct the following ER diagram in to a more complex er diagram with more entities attributes and relationshipsUse ER Assistant to draw your diagram. Draw a generalization hierarchy containing Employee, Administrator, and Faculty entities. The Employee entity is the supertype, and the Administrator and Faculty entities are the subtypes. The Employee entity has attributes as follows: EmpNo (primary key), EmpName, and EmpAddress. The Administrator entity has attributes as follows: AdmTitle, AdmContractLength The Faculty entity has attributes as follows: FacTenure, FacRank The generalization hierarchy should be disjoint but not complete.Please draw the ER diagram. Explain how you know which one is entity, attribute, and all constraints. Explain each step of the diagram.