Oracle OEM的安装与配置(常用命令)
Oracle OEM的安装与配置如果用OEM或者isqlplus等,不知道端口号的,可以查找portlist.ini文件;OEM(9i OCP培训资料):OEM组成:OM
Oracle OEM的安装与配置
如果用OEM或者isqlplus等,不知道端口号的,可以查找portlist.ini文件;
echo %homedrive%
echo %homepath%
OEM(9i OCP培训资料):
OEM组成:OMS(oracle management server),OIA(oracle intelligent agent)智能代理,控制台三处部分组成;
OEM三层体系结构的组成:
1,第一层,是基于java的控制台和应用工具;
2,第二层,OMS,在客户端和管理目标之间进行分布式管理;
3,第三层,管理目标,由OIA代理,并且接收和分配OMS发送来的管理作业。
其中第三层(OMS),存在一个repository资料档案库的概念,在执行emca -config dbcontrol db -repos create命令时,,实际就是创建repos资料档案库;
高级安装时出现的几个相关包:
diagnostics pack
tuning pack
change manager pack同步包
management pack for oracle applications :oracle管理应用软件包
standard management pack 标准管理包
oracle management server OMS
EMWS(enterprise manager web site) : OEM所使用的web服务器
OEM建议:
1,最好和DBA终端在一个局域网内,这样保证连接速度;
2,最好运行在独立的一个主机上,这样OEM不会出现饥饿的现象;
3,最好采取冗余策略,保证安全性。
配置和管理OMS:
1, emca使用方法:
-config dbcontrol db [-repos (create | recreate)] [-cluster] [-silent] [-backup] [参数]: 配置数据库的 Database Control
-config centralAgent (db | asm) [-cluster] [-silent] [参数]: 配置中心代理管理
-config all db [-repos (create | recreate)] [-cluster] [-silent] [-backup] [参数]: 配置 Database Control 和中心代理管理
-deconfig dbcontrol db [-repos drop] [-cluster] [-silent] [参数]: 取消配置 Database
Control
-deconfig centralAgent (db | asm) [-cluster] [ -silent] [参数]: 取消配置中心代理管理
-deconfig all db [-repos drop] [-cluster] [-silent] [参数]: 取消配置 Database Control 和中心代理管理
-addInst (db | asm) [-silent] [参数]: 为新的 RAC 实例配置 EM
-deleteInst (db | asm) [-silent] [参数]: 取消为指定的 RAC 实例配置 EM
-reconfig ports [-cluster] [参数]: 重新明确分配 Database Control 端口
-reconfig dbcontrol -cluster [-silent] [参数]: 重新配置 RAC Database Control 部署
-displayConfig dbcontrol -cluster [-silent] [参数]: 显示有关 RAC Database Control 配置的信息
-upgrade (db | asm | db_asm) [-cluster] [-silent] [参数]: 将较低版本的 EM 配置升级到当前版本
-restore (db | asm | db_asm) [-cluster] [-silent] [参数]: 将当前版本的 EM 配置复原到较低版本
有兴趣的还可以type一下emca.bat这个文件;

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



InnoDB's full-text search capabilities are very powerful, which can significantly improve database query efficiency and ability to process large amounts of text data. 1) InnoDB implements full-text search through inverted indexing, supporting basic and advanced search queries. 2) Use MATCH and AGAINST keywords to search, support Boolean mode and phrase search. 3) Optimization methods include using word segmentation technology, periodic rebuilding of indexes and adjusting cache size to improve performance and accuracy.

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

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.

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.

The difference between clustered index and non-clustered index is: 1. Clustered index stores data rows in the index structure, which is suitable for querying by primary key and range. 2. The non-clustered index stores index key values and pointers to data rows, and is suitable for non-primary key column queries.

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

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

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.
