A database model that describes the attributes of entities and the relationships among them. An entity is a file (table). Today, ER models are often created graphically, and software converts the ...

Students must have completed COMP_SCI 214 & (COMP_SCI 213 or COMP_ENG 205), or be CS Grad students (MS or PhD) in order to register for this course. Data models and database design. Modeling the real ...

Students must have completed COMP_SCI 214 & (COMP_SCI 213 or COMP_ENG 205), or be CS Grad students (MS or PhD) in order to register for this course. Data models and database design. Modeling the real ...

When normalizing data structures, attributes congregate around the business keys that identify the grain at which those attributes derive their values. Attributes directly related to a person, ...

In the realm of data modeling, many-to-many relationships are often considered an "odd duck." Unlike one-to-one or one-to-many relationships, which can be directly implemented in physical database ...