September Morn Update

Task/Averages-Mode/SQL/averages-mode.sql

@@ -0,0 +1,34 @@
+-- setup
+create table averages (val integer);
+insert into averages values (1);
+insert into averages values (2);
+insert into averages values (3);
+insert into averages values (1);
+insert into averages values (2);
+insert into averages values (4);
+insert into averages values (2);
+insert into averages values (5);
+insert into averages values (2);
+insert into averages values (3);
+insert into averages values (3);
+insert into averages values (1);
+insert into averages values (3);
+insert into averages values (6);
+-- find the mode
+with
+  counts as
+  (
+    select
+      val,
+      count(*) as num
+    from
+      averages
+    group by
+      val
+  )
+select
+  val as mode_val
+from
+  counts
+where
+  num in (select max(num) from counts);