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Erd diagram on patient information system?
In an Entity-Relationship Diagram for a patient information system, you may have entities like Patient, Doctor, Appointment, Prescription, and Medical Record. The relationships between these entities could include a Patient having many Appointments, a Doctor treating many Patients, and a Prescription being linked to a specific Patient. Attributes for each entity would include things like patient ID, doctor ID, appointment date, prescription details, and diagnosis information.
What is the difference between associative entity and relationship with attribute?
A relationship with attributes should be an associative entity when: - All relationships for the associative entity should be many - The associative entity could have meaning independent of the other entities - The associative entity should have attribute(s), but it may or may not have an identifier - The associative entity may participate in other relationships other than the entities of the associated relationship - Ternary relationships should be converted to associative entities
When do you have to use an intersection entity in database?
If you have a many-to-many relationship between two entities you create an intermediate entity between.Now, the relationship between the first entity and intersection entity is one-to-many, and the relationship between the second entity and intersection entity is one-to-many also.
Are the data elements that describe an entity.?
Yes, data elements are the smallest units of data that describe an entity in a database. They represent specific attributes or properties of the entity and are used to store and manipulate information about that entity.
What term refers to a collection of related information about a specific entity in a database?
A record refers to a collection of related information about a specific entity in a database. Each record typically contains fields that represent different attributes or properties of the entity being stored.
What is entity relationship diagrame?
An entity relationship diagram (ERD) represents the entities, or groups of information, and their relationships maintained for a business. An entity relationship diagram represents the entities, or groups of information, and their relationships maintained for a business. An entity relationship diagram represents the entities, or groups of information, and their relationships maintained for a business.
Entity-Relationship Diagrams of Grading system?
An entity-relationship diagram of a grading system can be viewed by visiting this website at http://stackoverflow.com/questions/9486156/er-diagram-for-grading-system. There is information included with the diagram about the grading system.
Entity Relationship diagram for Hotel Reservation System?
An entity relationship diagram for hotel reservation systems is a map of each entity or thing that has a part in the process of hotel reservations. The diagram maps the relationship between each entity of the process.
Is a diamond-shape box in a Entity-Relationship diagram refers to?
relationship.....
ER diagram for a banking system?
entity relationship diagram on banking system?
Draw complete Entity Relationship Diagram for Railway Reservation System. Make assumption wherever necessary?
draw complete entity relationship diagram for railway reservation system
How do you convert an entity relationship diagram to a table?
converting er diagram to table in dbms?
How to draw entity relationship diagram?
To draw a relationship diagram, start by placing relationship at the center of the paper. Connect entities to the relationship, and branch out with the different attributes.
What isn the Er diagram of library management?
i need a entity relationship diagram of a small library
What is entity relationship diagram for travel agency?
er travel agent؟
Entity relationship diagram for online banking?
An entity-relationship diagram for online banking includes the process of online banking and the relationship between each step. It is a model that maps out, describes, and defines how components are linked for online banking.
What is the significance of the diagram?
This will depend on what you mean by ER diagram. This could be an entity relationship diagram that shows how to maximize your business intelligence.
