Specialization is a bottom up approach.

A person can have more than one email id. In this case, email id is a composite attribute.

Sophisticated Users are business

analysts, scientists, engineers, others thoroughly familiar with the system

capabilities.

There are 2 types of primary indexing. State True / False.

There are 3 columns in the Structure of Index. State True / False.

Separate Chaining is otherwise called as closed hashing.

More than one candidate key can exist for a table.

A table can have more than one primary key.

Data Independence is the property of the database which states that the structure of a database can be changed without having to change any application.

------ indexing an ideal option for range or group by with max, min, count type queries.