What can be a possible weak entity in a banking system?
These are called Weak Entity type. The entity sets which do not have sufficient attributes to form a primary key are known as weak entity sets and the entity sets which have a primary key are known as strong entity sets.
What is not correct in ER diagram *?
Many ER diagram mistakes fit into one of these four categories: Incorrect relationships between entities. Using an entity instance instead of an entity. Confusing an attribute with an entity.
How do you draw an ER Diagram for a hospital management system?
Draw E-R diagram for Hospital management System….Hosp_patient.
| Pat-id | Hospital table makes foreign key references to Pat-id of Patient table |
|---|---|
| Hosp-id | Patient table makes foreign key references to Hosp-id of Hospital table |
What is ER Diagram in DBMS?
ER Diagram stands for Entity Relationship Diagram, also known as ERD is a diagram that displays the relationship of entity sets stored in a database. ER Diagrams contain different symbols that use rectangles to represent entities, ovals to define attributes and diamond shapes to represent relationships.
What is a weak entity in ER diagram?
A weak entity is a type of entity which doesn’t have its key attribute. It can be identified uniquely by considering the primary key of another entity. For that, weak entity sets need to have participation. In above ER Diagram examples, “Trans No” is a discriminator within a group of transactions in an ATM.
What is ER diagram explain with example?
ER diagrams are created based on three basic concepts: entities, attributes and relationships. ER Diagrams contain different symbols that use rectangles to represent entities, ovals to define attributes and diamond shapes to represent relationships. At first look, an ER diagram looks very similar to the flowchart.
What is ER diagram for ER diagram for hospital management system?
This ER (Entity Relationship) Diagram represents the model of Hospital Management System Entity. The entity-relationship diagram of Hospital Management System shows all the visual instrument of database tables and the relations between Patient, Nurses, Hospitals, Medicines etc.
What are the component of banking system?
There are five components to a core processing system: the deposit processing system, the loan accounting and servicing system, the general ledger system, the customer information system, and the reporting tools.
What does ER mean in banking management system?
This ER (Entity Relationship) Diagram represents the model of Banking Management System Entity. The entity-relationship diagram of Banking Management System shows all the visual instrument of database tables and the relations between Employees, Fixed Deposit, Customer, Current Account etc.
How to draw an ER diagram for a banking enterprise?
Draw an ER Diagram for a banking enterprise. Convert it into relational model. Draw an ER Diagram for a banking enterprise. Convert it into relational model. Please log in to add an answer.
What is the ER diagram of a database?
Last Updated : 25 Jun, 2020 ER diagram is known as Entity-Relationship diagram. It is used to analyze to structure of the Database. It shows relationships between entities and their attributes.
Which is the Entity Relationship Diagram of banking management system?
The entity-relationship diagram of Banking Management System shows all the visual instrument of database tables and the relations between Employees, Fixed Deposit, Customer, Current Account etc. It used structure data and to define the relationships between structured data groups of Banking Management System functionalities.