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SQL Teaching

SELECT * 
FROM family_members;
SELECT name, species
FROM family_members;
SELECT *
FROM family_members
WHERE species = 'dog';
SELECT * 
FROM family_members
WHERE num_books_read > 190;
SELECT * 
FROM family_members
WHERE num_books_read >= 180;
SELECT *
FROM friends_of_pickles
WHERE species = 'dog' AND height_cm < 45;
SELECT *
FROM friends_of_pickles
WHERE species = 'dog' OR height_cm < 45;
SELECT *
FROM friends_of_pickles
WHERE species NOT IN('cat', 'dog');
SELECT DISTINCT SPECIES
FROM friends_of_pickles
WHERE height_cm > 50;
SELECT *
FROM friends_of_pickles
ORDER BY height_cm DESC;
SELECT *
FROM friends_of_pickles
ORDER BY height_cm DESC LIMIT 1;
SELECT COUNT(*)
FROM friends_of_pickles;
SELECT COUNT(*)
FROM friends_of_pickles
WHERE species = 'dog';
SELECT SUM(num_books_read)
FROM family_members;
SELECT AVG(num_books_read)
FROM family_members;
SELECT MAX(num_books_read)
FROM family_members;

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