如何开启/关闭oracle的归档
如果是OPS/RAC环境，需要先把parallel_server = true注释掉，然后执行如下步骤，最后用这个参数重新启动
1、开启归档
a. 关闭shutdown immediate
b. startup mount
c. alter database archivelog
d. alter database opne
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
Database log mode Archive Mode
Automatic archival Enabled
Archive destination E:oracleora92databasearchive
Oldest online log sequence 131
Next log sequence to archive 133
Current log sequence 133
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