Introduction to SQL
Which of the SQL statements is correct?

SELECT Username, Password FROM Users
None of these
SELECT Username AND Password FROM Users
SELECT Username, Password WHERE Username = 'user1'

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Introduction to SQL
What is a view?

A view is a database diagram.
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.
A view is a special stored procedure executed when certain event occurs.
None of these

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Introduction to SQL
Find the temperature in increasing order of all cities

SELECT city, temperature FROM weather;
SELECT city, temperature FROM weather ORDER BY city;
SELECT city, temperature FROM weather ORDER BY temperature;
SELECT city FROM weather ORDER BY temperature;

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