Update exercises.sql

UzMatic · web-flow · commit c69c9bb996e8 · 2024-11-15T12:27:31.000+02:00
diff --git a/SQL Deep Dive/Aggregate Functions/exercises.sql b/SQL Deep Dive/Aggregate Functions/exercises.sql
@@ -35,12 +35,14 @@
 
 -- Question 1: How many official languages are there?
 -- Table: countrylanguage
+    238
     
 
 -- Question 2: What is the average life expectancy in the world?
 -- Table: country
+    66.486036
 
 -- Question 3: What is the average population for cities in the netherlands?
 -- Table: city
-
+    185001.75
 
