Respuesta :
Option a is correct. Yes, It is true or right that the (entity relationship) ER model is used to construct a conceptual model.
For more than 35 years, the entity relationship (ER) data model has been in use. Due to its relative abstraction and simplicity in discussion and explanation, it is highly suited to data modelling for usage with databases. Relations can be easily converted from ER models. ER diagrams are used to represent ER models, also known as an entity relationship schema. The business has numerous departments. Each department is identified specifically by name, office location, and the person in charge of managing it.
A department is in charge of several projects, each with its own name, number, and budget.
Name, identification number, residence, wage, and birthdate are all provided for each employee. Although they are assigned to one department, employees might participate in many initiatives. The employee's start date must be noted for each project. Additionally, we require the name of each employee's immediate supervisor.
We need to maintain tabs on each employee's dependents. Each dependent is identified by name, birthday, and connection to the employee.
To know more about entity relationship click on the link:
https://brainly.com/question/28249503
#SPJ4
