Pending changes exported from your codespace

koudaiii · Jul 5, 2023 · b629c15 · b629c15
1 parent 66290fd
commit b629c15
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/reading-circle_note.md b/reading-circle_note.md
@@ -167,4 +167,5 @@ docker exec -it webapp-mysql-1 mysql -u root -p
 use isuconp;
 SHOW CREATE TABLE comments;
 EXPLAIN SELECT * FROM `comments` WHERE `post_id` = 9995 ORDER BY `created_at` DESC LIMIT 3;
+ALTER TABLE comments ADD INDEX post_id_idx(post_id);
 ```