14:29:58SQL> select max(sequence#) from v$archived_log; MAX(SEQUENCE#) --- 19 一次切换当前REDO的ALERT日志 dg1--REDO切换到了LOG#1的--/u01/oradata/dg/redo01.log, Sat Jul 2717:06:58 2013 Thread 1advanced to log sequence 25 (LGWR switch) Current log# 1 seq# 25 mem# 0:/u01/ora...
在dg1上操作 SYS@dg1>alter system archive log current; System altered. SYS@dg1>alter system set log_archive_dest_state_2=defer; System altered. ### 4.在dg2上打开数据库为RW模式并在数据库中进行创建表等操作 SYS@dg2>alter database activate standby database; Database altered. SYS@dg2>alter ...
Apple has started preparing its marketing, sales, and retail teams as it gears up for the March release of new 13-inch and 15-inch MacBook Air models featuring M4 chips, according to Bloomberg's Mark Gurman. Writing in his latest Power On newsletter, Gurman said that current models are al...
Backup start location: 0/0 Current wal_level setting: hot_standby Current max_connections setting: 2000 Current max_prepared_xacts setting: 50 Current max_locks_per_xact setting: 64 Maximum data alignment: 8 Database block size: 8192 Blocks per segment of large relation: 1048576 WAL block size...
SQL> ALTER DATABASE RECOVER MANAGED STANDBY DATABASE USING CURRENT LOGFILE; 如果要停止REDO应用,执行下列语句即可: SQL> ALTER DATABASE RECOVER MANAGED STANDBY DATABASE CANCEL; 2.逻辑Standby应用REDO数据 SQL应用的原理是将接收到的REDO数据转换成SQL语句在逻辑Standby数据库端执行,因此逻辑Standby需要启动至OPEN...
</MhzLimit> <MaxIdleState></MaxIdleState> <CurrentIdleState></CurrentIdleState> </PROCESSOR_POWER_INFORMATION> </InfoScenario> 下表詳細說明 PPM 案例 XML 元素。28 執行狀態案例資訊 PwrTest 執行狀態案例的設計目的是記錄和顯示執行緒執行狀態變更事件。
必须设置STANDBY_MAX_DATA_DELAY 为0 在查询开始的那一刻,Standby数据库必须同步到与Primary数据库一致的Current Scn 若结果没有在200ms内返回,则查询会因ORA-03172而终止 Primary数据库必须采用最大可用(max availability)或最大保护(maximum protection)模式 ...
The delay time of an inverter or NAND chain at a gate length yielding equal standby current and active current is used as the definition of a maximum Figure of Merit (FOM), FOM/sub max/. The circuit power that occurs under this condition of equal standby and active currents is an ...
备机端如果已经安装了postgres数据库,数据文件夹名称一样的话,可以先停掉备机数据库,将data文件夹中内容清空。将master中data文件夹中内容拷贝到slave中相同文件夹下。 5.3:上述步骤完成后,结束master端的备份 select pg_stop_backup(),current_timestamp; ...
1,备库设置standby_file_management为autoaltersystemsetstandby_file_management='auto';2,备库上启动同步:alterdatabaserecover managed standbydatabaseusingcurrentlogfile disconnect;SQL>selectopen_modefromv$database; OPEN_MODE---READONLYWITHAPPLY3,检查状态: 主库多次执行...