database_name //需要修改的数据库名,省略则表示当前数据库 n 表示创建重做日志的组号,组号在重做日志组中是唯一的 filename // 日志文件组存储的默认位置 m //日志文件组的大小,默认的大小是50M 2.创建重做日志成员 alter database database_name add logfile member '/data/oracle/newlog.log' to group 2...
alter database create datafile 4 as '/opt/oracle/datafile/users01.dbf'; alter database create datafile '/opt/oracle/datafile/users01.dbf' as new; 6 alter database:日志文件命令 alter database add logfile group 2 ('/opt/oracle/logfiles/redo02a.rdo','/opt/oracle/logfile/redo02b.rdo') si...
SQL> ALTER DATABASE ADD ARCHIVELOG 'DEST=/opt/dmdbms/data/MPP1_01/arch, TYPE=LOCAL, FILE_SIZE=2048, SPACE_LIMIT=51200'; SQL> ALTER DATABASE OPEN; --备份数据 SQL> BACKUP DATABASE BACKUPSET '/opt/dmdbms/data/MPP1_01/bak/BACKUP_FILE'; 1. 2. 3. 4. 5. 6. 7. –修改dm.ini SQL...
Specify the name of the database to be altered. The database name can contain only ASCII characters. If you omitdatabase, Oracle Database alters the database identified by the value of the initialization parameterDB_NAME. You can alter only the database whose control files are specified by ...
ALTER DATABASE ADD logfile GROUP 13 '/opt/oracle/oradata/orcl/redo13.log' SIZE 5120m ; ALTER DATABASE ADD logfile GROUP 14 '/opt/oracle/oradata/orcl/redo14.log' SIZE 5120m ; ALTER DATABASE ADD logfile GROUP 15 '/opt/oracle/oradata/orcl/redo15.log' SIZE 5120m ; ...
ALTER DATABASE ADD LOGFILE GROUP 3 ('diska:log3.log' , 'diskb:log3.log') SIZE 50K; 次の文は、2つのメンバーを含むREDOログ・ファイル・グループをスレッド5(Real Application Clusters環境内)に追加して、このグループにGROUPパラメータ値4を割り当てます。
A.Group2istheactivegroup.B.Group2isthecurrentgroup.C.DatabaseisintheMOUNTstate.D.Group2hasbeenalreadyarchived.
alter system backup controlfile to trace 内容详解 ---下面通过alter system backup controlfile to trace 抽取的控制文件源本,讲得很不错 -- Below are two sets of SQL statements, each of which creates a new -- control file and uses it to open the database. The first set opens -- the data...
# archivelog/noarchivelog 启用或停止数据库的日志归档模式。 单机部署中,此操作需要数据库实例处于MOUNT状态。 共享集群部署中,此操作需要当前所在实例处于MOUNT状态,且其他实例处于NOMOUNT状态。 示例 ALTER DATABASE ARCHIVELOG; ALTER DATABASE NOARCHIVELOG; Copied! # set standby database to 指定备用库的保护模...
ORA-02231：ALTER DATABASE缺少选项或无效,.原因：在语句中指定了除ADD，DROP，RENAME，ARCHIVELOG，...