diff --git a/notes/MySQL.md b/notes/MySQL.md index e460d98a..5348018d 100644 --- a/notes/MySQL.md +++ b/notes/MySQL.md @@ -250,7 +250,7 @@ SELECT actor_id FROM sakila.actor WHERE actor_id + 1 = 5; ```sql SELECT film_id, actor_ id FROM sakila.film_actor -WhERE actor_id = 1 AND film_id = 1; +WHERE actor_id = 1 AND film_id = 1; ``` ### 3. 索引列的顺序