Mapping ERD to Relational

Company(...,)
Staff(ID,Name,dobirth, companyid,since, wife_name)
Task(Description,..)
Perfom(ID, description) primary key (id, description)

Wife(Name,...)
Staff_phone(id, phone) primary key (id, phone) FK (id) references staff

Child(Name, ID) Primary key (id, name) FK (ID)
 

Transcribed Image Text:

Company Task Description M 1 Perform Since Work M Wife Name M ID Address Staff 1 Married d.o.birth Phone Age Name Has M Child Name Company Task Description M 1 Perform Since Work M Wife Name M ID Address Staff 1 Married d.o.birth Phone Age Name Has M Child Name