mysq: add revising-aggregations-the-count-function

6 years ago · 6d1ff263d0
parent 00234e18bf
commit 6d1ff263d0
1 changed files with 3 additions and 0 deletions
--- a/mysql/revising-aggregations-the-count-function/solution.sql
+++ b/mysql/revising-aggregations-the-count-function/solution.sql
@ -0,0 +1,3 @@
+SELECT COUNT(ID)
+FROM CITY
+WHERE POPULATION > 100000