Introduction to SQL
What is a view?

A view is a database diagram.
A view is a special stored procedure executed when certain event occurs.
None of these
A view is a virtual table which results of executing a pre-compiled query. A view is not part of the physical database schema, while the regular tables are.

ANSWER DOWNLOAD EXAMIANS APP

Introduction to SQL
NULL is

not a value
the same as 0 for integer and blank for character
the same as blank for character
the same as 0 for integer

ANSWER DOWNLOAD EXAMIANS APP