探索Oracle之RMAN_02基本使用
RMAN工具是Oracle8i为了更好的实现数据库备份恢复而推出来的一实用工具，可以实现数据库的在线的备份和恢复从而不影响业务的正常
RMAN工具是Oracle8i为了更好的实现数据库备份恢复而推出来的一实用工具，可以实现数据库的在线的备份和恢复从而不影响业务的正常运行。并且在Oracle软件安装上的那一时刻就已经存在了，不必另外安装或买介质，从今天开始就开始谈谈RMAN的使用和维护：
相关阅读：
探索Oracle之RMAN_01概念
探索Oracle之RMAN_02基本使用
探索Oracle之RMAN_03非一致性备份
1、 登录和访问RMAN
A、 在Windows下进入RMAN，，很简单，只需要在命令行输入rman即可。
如下:
C:\>rman
Recovery Manager:Release 10.2.0.4.0 - Production on Fri May 18 10:45:58 2012
Copyright (c)1982, 2007, Oracle. All rights reserved.
RMAN>
B、 在Linux下进入RMAN同样也是在命令行输入rman即可，但是有一点需要注意，必须修改oracle用户环境变量为如下，在Linux系统中还有一个RMAN命令不是Oracle的。
PATH=$ORACLE_HOME/bin:/sbin:$PATH
执行RMAN
[oracle@wwldb ~]$ rman
Recovery Manager: Release10.2.0.1.0 - Production on Fri May 18 10:53:15 2012
Copyright (c) 1982, 2005,Oracle. All rights reserved.
RMAN>
命令行界面。
2、 获得RMAN帮助
[oracle@wwldb ~]$ rman help
Argument Value Description
-----------------------------------------------------------------------------
target quoted-string connect-string for target database
catalog quoted-string connect-string for recovery catalog
nocatalog none if specified, then no recoverycatalog
cmdfile quoted-string name of input command file
log quoted-string name of output message log file
trace quoted-string name of output debugging message log file
append none if specified, log is opened inappend mode
debug optional-args activate debugging
msgno none show RMAN-nnnn prefix for allmessages
send quoted-string send a command to the media manager
pipe string building block for pipe names
timeout integer number of seconds to wait for pipe input
checksyntax none check the command file for syntaxerrors
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
Video Face Swap
Swap faces in any video effortlessly with our completely free AI face swap tool!
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
1663
14
1420
52
1313
25
1266
29
1239
24
When might a full table scan be faster than using an index in MySQL?
Apr 09, 2025 am 12:05 AM
Full table scanning may be faster in MySQL than using indexes. Specific cases include: 1) the data volume is small; 2) when the query returns a large amount of data; 3) when the index column is not highly selective; 4) when the complex query. By analyzing query plans, optimizing indexes, avoiding over-index and regularly maintaining tables, you can make the best choices in practical applications.
Can I install mysql on Windows 7
Apr 08, 2025 pm 03:21 PM
Yes, MySQL can be installed on Windows 7, and although Microsoft has stopped supporting Windows 7, MySQL is still compatible with it. However, the following points should be noted during the installation process: Download the MySQL installer for Windows. Select the appropriate version of MySQL (community or enterprise). Select the appropriate installation directory and character set during the installation process. Set the root user password and keep it properly. Connect to the database for testing. Note the compatibility and security issues on Windows 7, and it is recommended to upgrade to a supported operating system.
MySQL: Simple Concepts for Easy Learning
Apr 10, 2025 am 09:29 AM
MySQL is an open source relational database management system. 1) Create database and tables: Use the CREATEDATABASE and CREATETABLE commands. 2) Basic operations: INSERT, UPDATE, DELETE and SELECT. 3) Advanced operations: JOIN, subquery and transaction processing. 4) Debugging skills: Check syntax, data type and permissions. 5) Optimization suggestions: Use indexes, avoid SELECT* and use transactions.
Can mysql and mariadb coexist
Apr 08, 2025 pm 02:27 PM
MySQL and MariaDB can coexist, but need to be configured with caution. The key is to allocate different port numbers and data directories to each database, and adjust parameters such as memory allocation and cache size. Connection pooling, application configuration, and version differences also need to be considered and need to be carefully tested and planned to avoid pitfalls. Running two databases simultaneously can cause performance problems in situations where resources are limited.
Laravel Eloquent ORM in Bangla partial model search)
Apr 08, 2025 pm 02:06 PM
LaravelEloquent Model Retrieval: Easily obtaining database data EloquentORM provides a concise and easy-to-understand way to operate the database. This article will introduce various Eloquent model search techniques in detail to help you obtain data from the database efficiently. 1. Get all records. Use the all() method to get all records in the database table: useApp\Models\Post;$posts=Post::all(); This will return a collection. You can access data using foreach loop or other collection methods: foreach($postsas$post){echo$post->
RDS MySQL integration with Redshift zero ETL
Apr 08, 2025 pm 07:06 PM
Data Integration Simplification: AmazonRDSMySQL and Redshift's zero ETL integration Efficient data integration is at the heart of a data-driven organization. Traditional ETL (extract, convert, load) processes are complex and time-consuming, especially when integrating databases (such as AmazonRDSMySQL) with data warehouses (such as Redshift). However, AWS provides zero ETL integration solutions that have completely changed this situation, providing a simplified, near-real-time solution for data migration from RDSMySQL to Redshift. This article will dive into RDSMySQL zero ETL integration with Redshift, explaining how it works and the advantages it brings to data engineers and developers.
The relationship between mysql user and database
Apr 08, 2025 pm 07:15 PM
In MySQL database, the relationship between the user and the database is defined by permissions and tables. The user has a username and password to access the database. Permissions are granted through the GRANT command, while the table is created by the CREATE TABLE command. To establish a relationship between a user and a database, you need to create a database, create a user, and then grant permissions.
MySQL: The Ease of Data Management for Beginners
Apr 09, 2025 am 12:07 AM
MySQL is suitable for beginners because it is simple to install, powerful and easy to manage data. 1. Simple installation and configuration, suitable for a variety of operating systems. 2. Support basic operations such as creating databases and tables, inserting, querying, updating and deleting data. 3. Provide advanced functions such as JOIN operations and subqueries. 4. Performance can be improved through indexing, query optimization and table partitioning. 5. Support backup, recovery and security measures to ensure data security and consistency.
