Consider a relation "Book" with the following structure:

book_id (Primary key)

book_name

book_title

date_of_issue

Which of the following relational algebra operations will return all the entries of book_id and book_title from the relation "Book“?

The index in which the search key defines an order that is dissimilar from the sequential order of the file is known as index.

Which of the following statements is false?

A covert channel permits the transfer of information in such a way that it violates the system's security policy.

Which of the following options is defined as the tendency to change the internal schema without affecting the conceptual schema?

Which of the following levels of a data storage virtualization technology involves block-level striping with distributed parity?

An entity cluster is formed by combining multiple interrelated entities into ____.

A star schema contains both fact and ________ tables.

A ________ is the smallest component in the computer system data hierarchy.

A ____ is a column in a table that describes a characteristic about a record.

________ involves standardizing the format of data retrieved from different systems.