Added part 4

pokemon_sql/part4.sql

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+# Pokemon Name	Trainer Name	Level	Primary Type	Secondary Type
+# Rank pokemon by strongest

pokemon_sql/pokepart3.sql

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+# Part 3 - Joins and Groups
+
+# 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?
+#concat inner join
+SELECT t.trainername as "Trainer", group_concat(p.name) as "Pokemons"
+FROM pokemon.pokemons p
+  join pokemon.pokemon_trainer pt
+  on pt.pokemon_id = p.id
+JOIN pokemon.trainers t
+on pt.trainerID = t.trainerID
+WHERE t.trainerID = 303
+group by t.trainername;
+
+# How many pokemon have a secondary type Poison
+SELECT
+sum(secondary_type = 7) as "Poison Type"
+from pokemon.pokemons;
+
+# What are all the primary types and how many pokemon have that type?
+SELECT ty.name as "Type", COUNT(p.name) as "Pokemon Count"
+from pokemon.types ty
+JOIN pokemon.pokemons p
+ON p.primary_type = ty.id
+GROUP BY ty.name;
+
+# How many pokemon at level 100 does each trainer with at least one level 100 pokemone have?
+# (Hint: your query should not display a trainer
+# how many trainers have at least 1 level 100 pokemon
+# count num of trainers
+# pokelevel = 100
+
+
+
+
+# How many pokemon only belong to one trainer and no other?
+SELECT count(distinct pt.trainerID)
+from pokemon.pokemon_trainer pt;