ER Diagram Questions

Practice ER Diagram Questions –

A logical schema

Practice ER Diagram Questions – Before any changes to database structure are attempted one should first:

Practice ER Diagram Questions –

Suppose the user finds the usage of room number and phone number in a relational schema there is confusion.This is reduced by :-

Practice ER Diagram Questions – Referential integrity controls relationships between :

Practice ER Diagram Questions – How many copies of the database schema are typically used in the redesign process?

Practice ER Diagram Questions –

In which of the following , a separate schema is created consisting of that attribute and the primary key of the entity set.

Practice ER Diagram Questions –

Which of the following has each related entity set has its own schema and there is an additional schema for the relationship set ?

Practice ER Diagram Questions –

If a multivalued dependency holds and is not implied by the corresponding functional dependency, it usually arises from one of the following sources.

Practice ER Diagram Questions –

A ………………… is used to define overall design of the database

Practice ER Diagram Questions – The ability to modify the conceptual schema without causing any change to the application program is known as :