Shulou(Shulou.com)06/01 Report--

1. Change from non-archiving mode to archiving mode:

1) Connect to the database as DBA to see if it is in archive mode

SQL > conn / as sysdba

SQL > archive log list

Database log mode No Archive Mode

Automatic archival Disabled

Archive destination USE_DB_RECOVERY_FILE_DEST

Oldest online log sequence 31

Current log sequence 33

2) close the database immediately

SQL > shutdown immediate

Database closed.

Database dismounted.

ORACLE instance shut down.

3) start the instance and load the database into the mount state

SQL > startup mount

ORACLE instance started.

Total System Global Area 1224736768 bytes

Fixed Size 2020384 bytes

Variable Size 318770144 bytes

Database Buffers 889192448 bytes

Redo Buffers 14753792 bytes

Database mounted.

4) change the database to archive mode

SQL > alter database archivelog

Database altered.

5) Open the database

SQL > alter database open

SQL > SELECT NAME,created,log_mode FROM v$database

NAME CREATED LOG_MODE

ORCL 04-JUN-12 ARCHIVELOG Database altered. 6) before enabling automatic archiving 10G, you need to operate SQL > alter system archive log start; 8) View the path and directory of the archive log SQL > show parameter db_recovery_file_dest NAME TYPE VALUE-db_recovery_file_dest string / data/app/oracle/flash_recovery_area db_recovery_file_dest _ size big integer 2G 9) modify method location and size of archive log: SQL > alter system set db_recovery_file_dest_size=20g SQL > alter system set db_recovery_file_dest='/app/arc'

Welcome to subscribe "Shulou Technology Information " to get latest news, interesting things and hot topics in the IT industry, and controls the hottest and latest Internet news, technology news and IT industry trends.