Introduction to SQL
What is a view?

None of these
A view is a database diagram.
A view is a special stored procedure executed when certain event occurs.
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
Find the name of all cities with their temperature, humidity and countries.

SELECT weather.city, temperature, humidity, country FROM weather, location WHERE weather.city = location.city;
SELECT weather.city, temperature, humidity, country FROM weather, location;
SELECT city, temperature, humidity, country FROM location;
SELECT weather.city, temperature, humidity FROM weather SELECT country FROM location WHERE weather.city = location.city;

ANSWER DOWNLOAD EXAMIANS APP