Done

lib/create.sql

@@ -0,0 +1,9 @@
+CREATE TABLE bears
+(id INTEGER PRIMARY KEY,
+  name TEXT,
+  age INTEGER,
+  gender TEXT,
+  color TEXT,
+  temperament TEXT,
+  alive BOOLEAN
+);

lib/insert.sql

@@ -0,0 +1,16 @@
+INSERT INTO bears (name)
+  VALUES ("Mr.Chocolate");
+INSERT INTO bears (name)
+  VALUES ("Rowdy");
+INSERT INTO bears (name)
+  VALUES ("Tabitha");
+INSERT INTO bears (name)
+  VALUES ("Sargeant Brown");
+INSERT INTO bears (name)
+  VALUES ("Melissa");
+INSERT INTO bears (name)
+  VALUES ("Grinch");
+INSERT INTO bears (name)
+  VALUES ("Wendy");
+INSERT INTO bears (name)
+  VALUES (NULL);

lib/sql_queries.rb

@@ -1,31 +1,47 @@
 def selects_all_female_bears_return_name_and_age
-  "Write your SQL query here"
+  "SELECT name, age
+  FROM bears
+  WHERE gender = 'F';"
 end
 
 def selects_all_bears_names_and_orders_in_alphabetical_order
-  "Write your SQL query here"
+  "SELECT name
+  FROM bears
+  ORDER BY name ASC;"
 end
 
 def selects_all_bears_names_and_ages_that_are_alive_and_order_youngest_to_oldest
-  "Write your SQL query here"
+  "SELECT name, age
+  FROM bears
+  WHERE alive = 1
+  ORDER BY age ASC;"
 end
 
 def selects_oldest_bear_and_returns_name_and_age
-  "Write your SQL query here"
+  "SELECT name, MAX(age)
+  FROM bears;"
 end
 
 def select_youngest_bear_and_returns_name_and_age
-  "Write your SQL query here"
+  "SELECT name, MIN(age)
+  FROM bears;"
 end
 
 def selects_most_prominent_color_and_returns_with_count
-  "Write your SQL query here"
+"SELECT bears.color, COUNT(bears.color)
+FROM bears
+GROUP BY bears.color
+ORDER BY COUNT(*) DESC LIMIT 1;"
 end
 
 def counts_number_of_bears_with_goofy_temperaments
-  "Write your SQL query here"
+  "SELECT COUNT(name)
+  FROM bears
+  WHERE temperament = 'goofy';"
 end
 
 def selects_bear_that_killed_Tim
-  "Write your SQL query here"
+  "SELECT *
+  FROM bears
+  WHERE name IS NULL;"
 end