From 08c386fc67fd5f3c07ee448e2250deee7171b7b0 Mon Sep 17 00:00:00 2001
From: iProbe <iprobe@noreply.localhost>
Date: Wed, 14 Dec 2022 14:53:04 +0800
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 数据库/oracle/归档日志处理.md | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

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 82adbbb..6a39061 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
@@ -1,3 +1,24 @@
+## 关闭归档
+```sql
+archive log list; #查看是否是归档方式
+alter system set log_archive_start=false scope=spfile; #禁用自动归档
+shutdown immediate;
+startup mount; #打开控制文件，不打开数据文件
+alter database noarchivelog; #将数据库切换为非归档模式
+alter database open; #将数据文件打开
+archive log list; #查看此时便处于非归档模式
+```
+## 开启归档
+```sql
+# 关闭oracle
+shutdown immediate;
+# 启动为mount状态
+startup mount
+# 更改为归档模式
+alter database archivelog
+# 更改数据库为‘打开’状态
+alter database open
+```
 ## 查看归档日志使用情况
 ```sql
 sqlplus / as sysdba