The shared pool is involved in almost every operation that occurs in the database. For example, if a user executes a SQL statement, then Oracle Database accesses the shared pool. Flashback buffer: Is an optional component in the SGA. When Flashback Database is enabled, the background ...
https://docs.oracle.com/en/database/oracle/oracle-database/19/bradv/user-managed-database-backups.html#GUID-2193FAD0-F62C-4671-9272-55E8BD7367DC 30.2.1 About User-Managed Restore and Recovery https://docs.oracle.com/en/database/oracle/oracle-database/19/bradv/user-managed-flashback-db...
Flashback Database Status: orcl_p: Off Managed by Clusterware: orcl_p: NO Validating static connect identifier for the primary database orcl_p... The static connect identifier allows for a connection to database "orcl_p". DGMGRL> VALIDATE DATABASE orcl_s; Database Role: Physical standby da...
如今引入了一个新参数(哪个???文档中目前只找到需要 the standby is open and flashback database is enabled),该参数使备库能够在主库上执行闪回数据库时自动闪回。 通过在主数据库闪回时自动闪回备用数据库,减少了时间,精力和人为错误,从而加快了同步速度并降低了RTO(但通常我们闪回备库…)。 Managing Physical...
SQL> alter database flashback on; 1.3 开启归档 SQL> select log_mode from v$database; LOG_MODE --- ARCHIVELOG SQL> archive log list; Database log mode Archive Mode Automatic archival Enabled Archive destination /ora/oracle/archive Oldest online ...
*.db_recovery_file_dest='/u01/app/oracle/flashback' *.db_unique_name='ttfcdg' *.diagnostic_dest='/u01/app/oracle' *.dispatchers='(PROTOCOL=TCP) (SERVICE=ttfcXDB)' *.enable_pluggable_database=true *.fal_client='ttfcdg' *.fal_server='ttfc' ...
– With Oracle Database 19c, flashback operations are propagated to the standbys automatically • Requires that the standbys are configured for flashback database and in MOUNT state first • Standbys must have the same or larger setting for DB_FLASHBACK_RETENTION_TARGET Copyright © 2018,...
要求主库开启FLASHBACK ON功能,在执行flashback后,备库会接收到主库flashback的通知,由MRP0进程自动恢复还原点数据。 原文摘抄:This feature introduces anew parameter that enables the standby database to be flashed back automaticallywhen a flashback operation is performed on the primary database ...
Oracle (Active) Data Guard 19c リアルタイム・データ保護と可用性 Oracle ホワイト・ペーパー / 2019 年 3 月 7 日 目次 目次...2 はじめに ...
Create tablespacePROD_TBSdatafile'/u01/app/oracle/oradata/test/prod_tbs01.dbf'size 10g; 代码语言:javascript 复制 准备要导入的数据,这里演示使用第三方库导出的数据集 代码语言:javascript 复制 代码语言:javascript 复制 nohup expdp \'/assysdba\' directory=PUBLIC_DUMPLOGFILE=test_prod.log dumpfile=expdp...