a. 关闭数据库shutdown immediate
b. startup mount
c. alter database archivelog
d. alter database open
2、禁止归档
a. 关闭数据库shutdown immediate
b. startup mount
c. alter database noarchivelog
d. alter database open
归档信息可以通过如下语句查看
sql> archive log list
转自：http://janywang.blog.51cto.com/1876711/824494
