centos5下成功安装oracle10G数据库
如果你多了解Oracle数据库,建议你在linux下安装Oracle数据库,很少企业会把Oracle数据库架设在Window服务器,网上介绍linux下如何安装Orac
如果你多了解Oracle数据库,建议你在linux下安装Oracle数据库,,很少企业会把Oracle数据库架设在Window服务器,网上介绍linux下如何安装Oracle数据库,经测试,一般很少可以安装成功,现在我简单讲述一下Linux下如何安装Oracle数据库(本人介绍的是最新的linux操作系统和Oracle数据库,11G刚出来不久,有时间的话,尝试升级一下)。我不会详细讲述linux如何安装,我将讲述如何选择安装包和环境变量的设置:
首先你要把 Development下的Development Libraries, Development Tools 和 Legacy Software Development选择上,然后在Base System组中安装compat-libgcc-296,compat-libstdc++-296, compat-libstdc++-33、openmotif22和java包。这些包是必须的,它将保证你的Oracle10G数据库顺利的安装。
然后我建议你不要选择安装Virtualisation package group 、Clustering 和 Cluster Storage package groups,最后是用户,组和环境变量的设置,用root用户登陆:
1.下面设置的是oracle数据库安装的用户和数据库目录,root用户是不能安装Oracle数据库
#/usr/sbin/groupadd oinstall
#/usr/sbin/groupadd dba
#/usr/sbin/useradd -g oinstall -G dba oracle
#passwd oracle
mkdir /oracle
mkdir /oracle/10g
chown -R oracle:oinstall /oracle
2.编辑Oracle用户的环境变量:
#gedit /home/oracle/.bash_profile
把以下内容内容添加到:/home/oracle/.bash_profile
ORACLE_BASE=/oracle
ORACLE_HOME=/oracle/10g
ORACLE_SID=test
PATH=$ORACLE_HOME/bin:$PATH:.
export ORACLE_BASE ORACLE_HOME ORACLE_SID PATH

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

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.

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 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.

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.

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.

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 supports four index types: B-Tree, Hash, Full-text, and Spatial. 1.B-Tree index is suitable for equal value search, range query and sorting. 2. Hash index is suitable for equal value searches, but does not support range query and sorting. 3. Full-text index is used for full-text search and is suitable for processing large amounts of text data. 4. Spatial index is used for geospatial data query and is suitable for GIS applications.
