Regarding this previous post, are they identifying relationships. Which ones? 8:35←and Model.1- Some engineers were promoted to asupervisory position. Those promotedengineers supervise one or many otherengineers. Each Subordinate engineer must besupervised by one and only one seniorengineer.2- The company contracted with a number ofsoftware learning institutions for theirengineers to take professional developmentCourses. The company wants to record in thedatabase the course that each of its engineerstook, where (which institution) and when(Completion date). "Ternary relationship mightbe needed"3- Each institution is identified by Inst_ID,Name, Location, Phone.Each Course is identified by a Course_ID,Name, Type.Expert Answer.Step1a)Given,@vxDO 8:35ANSWEREDTuesday, Sep 26, 2023ENGINEERING COMPUTER-SCIENCE10Please help asap. Hand draw the EER diagram.Thank you in advance. Write whether it is a oneto one, one to many, or many to many. Alsoinclude if it's mandatory or optional on bothsides. Since I'm a beginner, please show thearrows and boxes clearly.In a company called BCCD engineers arecharged of developing different types ofapplications.Each engineer is identified by an Employee ID,First Name, Last Name, address, phone and E-mail (Please note that the company is onlykeeping data for one phone, and one e-mail -Thus, you do not have to worry aboutmultivalued attribute).Each application is identified by an applicationID, Name and type.Each engineer must work on one or manyapplications. Applications must be developedby one or more engineers. The company wantsto keep track of the date each of the engineersstarted working on the assigned application.Fach engineer is allocated one personal√xDO8

In this ERD diagram , it shows the entities involved and their reationship.

In a company called BCCD engineers are charged of developing different types of applications. Each engineer is identified by an Employee ID, First Name, Last Name, address, phone and E- mail (Please note that the company is only keeping data for one phone, and one e-mail - Thus, you do not have to worry about multivalued attribute). Each application is identified by an application ID, Name and type. Each engineer must work on one or many applications. Applications must be developed by one or more engineers. The company wants to keep track of the date each of the engineers started working on the assigned application.

In a company called BCCD engineers are charged of developing different types of applications. Each engineer is identified by an Employee ID, First Name, Last Name, address, phone and E- mail (Please note that the company is only keeping data for one phone, and one e-mail - Thus, you do not have to worry about multivalued attribute). Each application is identified by an application ID, Name and type. Each engineer must work on one or many applications. Applications must be developed by one or more engineers. The company wants to keep track of the date each of the engineers started working on the assigned application.