Introduction to SQL
A view is which of the following?

A virtual table that cannot be accessed via SQL commands
A base table that cannot be accessed via SQL commands
A base table that can be accessed via SQL commands
A virtual table that can be accessed via SQL commands

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Introduction to SQL
To define what columns should be displayed in an SQL SELECT statement:

use USING to name the source table(s) and list the columns to be shown after SELECT.
use SELECT to name the source table(s) and list the columns to be shown after USING.
use USING to name the source table(s) and list the columns to be shown after WHER
use FROM to name the source table(s) and list the columns to be shown after SELECT.

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Introduction to SQL
Find the name of cities with all entries whose temperature is in the range of 71 and 89

SELECT * FROM weather WHERE temperature BETWEEN 71 AND 89;
SELECT * FROM weather WHERE temperature NOT IN (71 and 89);
SELECT * FROM weather WHERE temperature NOT IN (71 to 89);
SELECT * FROM weather WHERE temperature NOT BETWEEN 71 to 89;

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