PokemonSqlLab/pokemon_sql/Part3.sql

/* What is each pokemon's primary type? */
SELECT p.name, t.name
FROM pokemon.pokemons p
JOIN pokemon.types t
ON p.primary_type = t.id;

/* What is Rufflet's secondary type? */
SELECT p.name, t.name
FROM pokemon.pokemons p
JOIN pokemon.types t
ON p.secondary_type = t.id WHERE p.name = "Rufflet";

/* What are the names of the pokemon that belong to the trainer with trainerID 303?*/
SELECT p.name, tr.trainerID
FROM pokemon.pokemons p
JOIN pokemon.pokemon_trainer tr ON p.id = tr.pokemon_id
/*GROUP BY p.name, tr.trainerID*/
WHERE trainerID = 303;

/*How many pokemon have a secondary type Poison*/
SELECT t.name,
COUNT(p.secondary_type) as 'Poison Secondaries'
FROM pokemon.pokemons p
JOIN pokemon.types t
ON p.secondary_type = t.id
WHERE t.name = "Poison";

/*What are all the primary types and how many pokemon have that type?*/
SELECT t.name,
COUNT(p.id) as 'How Many'
FROM pokemon.pokemons p
JOIN pokemon.types t
ON p.primary_type = t.id
GROUP BY t.name;

/*How many pokemon at level 100 does each trainer with at least one level 100 pokemon have? (Hint: your query should not display a trainer*/
SELECT COUNT(pokelevel) as 'Lvl 100s'
FROM pokemon.pokemon_trainer
WHERE pokelevel = 100
GROUP BY trainerID;

/*How many pokemon only belong to one trainer and no other?*/
SELECT COUNT(1) FROM
(SELECT COUNT(p.pokemon_id) as 'Poke ID'
FROM pokemon.pokemon_trainer p
GROUP BY p.pokemon_id
HAVING COUNT(*) = 1) pokemon