1

2026-01-23 17:41:45 +08:00
parent a146fd68a9
commit 13c45dcedb
15 changed files with 897 additions and 76 deletions
--- a/1.sql
+++ b/1.sql
@@ -0,0 +1,7 @@
+SELECT
+    book.title AS book.title,
+    book$periodical.id AS book$periodical$id,
+    book$periodical.name AS book$periodical$name,
+    book$periodical.publish_month AS book$periodical$publish_month
+FROM book book
+         LEFT JOIN periodical book$periodical ON book.publisher_id = book$periodical.publisher_id AND book.publish_month = book$periodical.publish_month