The recent integration environment when the archive log is full, the database is unable to log in, ask the DBA to find out, privately according to the DBA's search scheme, take the development environment to do a database mode switch, in order to do the synchronization monitoring analysis problem, this gives the data path
First Use DBA login, link to database after use
Sqlplus/as Sysdba;
Archive Log list
View the current database archive mode after it is indeed archived or non-archived.
Use
Shutdwon Immediate
Close the database,
Then use
Startup Mount
command to open the data in the Mount State
use
alter database archivelog
2 or
3 alter database noarchivelog
Keep the database in archive or non-archival mode
Again through
1 Archive log list
Confirm Archive Mode again
You might also want to use
1 Archive log start
Turn on automatic archiving
Finally don't forget
1 ALTER DATABASE open
Open Database
This article is from the "Summary of problems encountered" blog, please be sure to keep this source http://4184212.blog.51cto.com/4174212/1672117
Oracle Archivelog mode and non-archivelog mode conversion