updated

mahmoudparsian · Mar 11, 2025 · 1250800 · 1250800
1 parent 6444f60
commit 1250800
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/...ek-10_OLAP_Operations/star_schema_sales_example/Star_Schema_and_OLAP_queries.md b/...ek-10_OLAP_Operations/star_schema_sales_example/Star_Schema_and_OLAP_queries.md
@@ -194,6 +194,10 @@ mysql> select * from dates;
 ~~~sql
 uses stars_sales;
 
+-- NOTE:
+--      a state has a set of counties
+--      a county has a set of cities
+
 create table Store(
    store_ID int, 
    city text,