Introduction to SQL
Which of the following query finds colors of boats reserved by "Dustin"?

SELECT DISTINCT b.color FROM boats b, reserves r, sailors s WHERE s.sname = 'Dustin' AND s.sid = r.sid
SELECT DISTINCT b.color FROM boats b, reserves r, sailors s WHERE s.sname = 'Dustin' AND r.bid = b.bid
SELECT DISTINCT b.color FROM boats b, sailors s WHERE s.sname = 'Dustin' AND s.sid = b.sid
SELECT DISTINCT b.color FROM boats b, reserves r, sailors s WHERE s.sname = 'Dustin' AND s.sid = r.sid AND r.bid = b.bid;

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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 USING to name the source table(s) and list the columns to be shown after WHER
use SELECT to name the source table(s) and list the columns to be shown after USING.
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 names of these cities with temperature and condition whose condition is neither sunny nor cloudy

SELECT city, temperature, condition FROM weather WHERE condition NOT BETWEEN ('sunny', 'cloudy');
SELECT city, temperature, condition FROM weather WHERE condition NOT IN ('sunny', 'cloudy');
SELECT city, temperature, condition FROM weather WHERE condition IN ('sunny', 'cloudy');
SELECT city, temperature, condition FROM weather WHERE condition BETWEEN ('sunny', 'cloudy');

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