diff --git a/数据库/oracle/归档日志处理.md b/数据库/oracle/归档日志处理.md
index b3f6eb4..15e1212 100644
--- a/数据库/oracle/归档日志处理.md
+++ b/数据库/oracle/归档日志处理.md
@@ -98,6 +98,10 @@ delete expired backup;
 ```sql
 delete backup;
 ```
+## 删除指定tag备份
+```sql
+delete backup tag xxx;
+```
 ## 改为长期备份
 ```sql
 change backupset id unavailable;