Oracle 10g Standby Database 实时应用 redo 数据
启用实时应用, 日志应用服务会直接应用接收的redo 数据,而不需要等待当前standby redo log 归档,对于failover 和switchover 的
-------physical standby database:
real-time apply 需要配置 standby redo log;
启用实时应用,, 日志应用服务会直接应用接收的redo 数据,而不需要等待当前standby redo log 归档
对于failover 和switchover 的时间会大大的减小,因为在failover or switchover 时standby redo log 已经被应用到备库。
ALTER DATABASE RECOVER MANAGED STANDBY DATABASE USING CURRENT LOGFILE;
-----For logical standby databases
ALTER DATABASE START LOGICAL STANDBY APPLY IMMEDIATE ;
standby 端 rfs (remote file server)进程 接收 primary 端 lgwr 传送过来的redo log,并把他们写到standby redo logfiles 中;
日志应用服务进程(log apply services)会在standby redolog 写满后应用redo 数据。
RMAN_RAC恢复至单机时Redo日志引发的“恐慌”
Oracle RAC下调节Redo log file 文件大小
Oracle非关键文件恢复,Redo、临时文件、索引文件、密码文件
Oracle Redo Log 机制 小结
Oracle Redo log 大小及组数的设置(在线修改日志组数目及组成员个数)
current online Redo logfile 丢失的处理方法
本文永久更新链接地址:

Hot AI Tools

Undresser.AI Undress
AI-powered app for creating realistic nude photos

AI Clothes Remover
Online AI tool for removing clothes from photos.

Undress AI Tool
Undress images for free

Clothoff.io
AI clothes remover

AI Hentai Generator
Generate AI Hentai for free.

Hot Article

Hot Tools

Notepad++7.3.1
Easy-to-use and free code editor

SublimeText3 Chinese version
Chinese version, very easy to use

Zend Studio 13.0.1
Powerful PHP integrated development environment

Dreamweaver CS6
Visual web development tools

SublimeText3 Mac version
God-level code editing software (SublimeText3)

Hot Topics

The article discusses using MySQL's ALTER TABLE statement to modify tables, including adding/dropping columns, renaming tables/columns, and changing column data types.

Article discusses configuring SSL/TLS encryption for MySQL, including certificate generation and verification. Main issue is using self-signed certificates' security implications.[Character count: 159]

Article discusses strategies for handling large datasets in MySQL, including partitioning, sharding, indexing, and query optimization.

Article discusses popular MySQL GUI tools like MySQL Workbench and phpMyAdmin, comparing their features and suitability for beginners and advanced users.[159 characters]

The article discusses dropping tables in MySQL using the DROP TABLE statement, emphasizing precautions and risks. It highlights that the action is irreversible without backups, detailing recovery methods and potential production environment hazards.

Article discusses using foreign keys to represent relationships in databases, focusing on best practices, data integrity, and common pitfalls to avoid.

The article discusses creating indexes on JSON columns in various databases like PostgreSQL, MySQL, and MongoDB to enhance query performance. It explains the syntax and benefits of indexing specific JSON paths, and lists supported database systems.

Article discusses securing MySQL against SQL injection and brute-force attacks using prepared statements, input validation, and strong password policies.(159 characters)
