OUI:Oracle Universal Installer(OUI的详细信息可以google)我的系统:redhat enterprise server 6.0我的oracle:10g.2.1
OUI:Oracle Universal Installer(OUI的详细信息可以google)
我的系统:RedHat enterprise server 6.0
我的oracle:10g.2.1
使用OUI图形化安装过程:
1)确认磁盘大小:u01 5G;swap 400m;
du -sh /tmp/
df -h
2)安装相关的依赖包(根据系统版本查询官方的安装指导文档)
我不推荐一个个查询是否安装:yum list installed | grep 包名;可以省略过这个过程,oracle安装前会自动检测哪些依赖包没有安装,到时再安装,非常有针对性;
3)创建组,添加用户,,设置密码
groupadd dba -g 111
groupadd oinstall -g 110
useradd oracle -u 110 -g 110 -G 111
passwd oracle
4)修改oracle用户下bash_prifile;
export ORACLE_BASE=/u01/app/oracle
export ORACLE_HOME=$ORACLE_BASE/product/10.2.0/db_1
export NLS_LANG=AMERICAN_AMERICA.ZHS16GBK
export ORACLE_SID=orcl
PATH=$PATH:$HOME/bin:$ORACLE_HOME/bin
5)创建安装目录,授予权限
目录的设计最好采取optimal flaxible architecture(OFA)最优灵活结构
mkdir -p /u01/app/oracle
chown oracle:oinstall /u01/app/oracle -R
6)修改内核参数,/etc/sysctl.conf
sysctl -p
7)以下这几个我没做,也安装上了,相反我做了,导致我的图形界面起不来,还不知道是哪个导致的;
xhost +//访问使用图形图形界面
[root@simplewp oracle]# vi /etc/security/limits.conf
[root@simplewp oracle]# vi /etc/pam.d/login
[root@simplewp oracle]# vi /etc/profile
8)修改版本号
cat /etc/redhat-release,修改为4
9) 解压安装
./runInstaller
10)运行脚本
/u01/app/oracle/product/10.2.0/db_1/root.sh :创建/usr/local/bin/,/etc/ 下的相关文件;
/u01/app/oracle/oraInventory/orainstRoot.sh:Changing groupname of /u01/app/oracle/oraInventory to oinstall.
我按照官方文档进行了第七个步骤导致运行界别5,图形界面进不去,启动完atd,就卡住了;我看了安装视频,教学老师没有进行第7步;
详细过程参考oracle官方安装指导书;
一台计算机上可以同时安装不同版本oracle,修改.bash_profile的参数就可安装,放在不同目录下即可,目录要规范化;

MySQL is suitable for beginners to learn database skills. 1. Install MySQL server and client tools. 2. Understand basic SQL queries, such as SELECT. 3. Master data operations: create tables, insert, update, and delete data. 4. Learn advanced skills: subquery and window functions. 5. Debugging and optimization: Check syntax, use indexes, avoid SELECT*, and use LIMIT.

MySQL efficiently manages structured data through table structure and SQL query, and implements inter-table relationships through foreign keys. 1. Define the data format and type when creating a table. 2. Use foreign keys to establish relationships between tables. 3. Improve performance through indexing and query optimization. 4. Regularly backup and monitor databases to ensure data security and performance optimization.

MySQL is an open source relational database management system that is widely used in Web development. Its key features include: 1. Supports multiple storage engines, such as InnoDB and MyISAM, suitable for different scenarios; 2. Provides master-slave replication functions to facilitate load balancing and data backup; 3. Improve query efficiency through query optimization and index use.

SQL is used to interact with MySQL database to realize data addition, deletion, modification, inspection and database design. 1) SQL performs data operations through SELECT, INSERT, UPDATE, DELETE statements; 2) Use CREATE, ALTER, DROP statements for database design and management; 3) Complex queries and data analysis are implemented through SQL to improve business decision-making efficiency.

The basic operations of MySQL include creating databases, tables, and using SQL to perform CRUD operations on data. 1. Create a database: CREATEDATABASEmy_first_db; 2. Create a table: CREATETABLEbooks(idINTAUTO_INCREMENTPRIMARYKEY, titleVARCHAR(100)NOTNULL, authorVARCHAR(100)NOTNULL, published_yearINT); 3. Insert data: INSERTINTObooks(title, author, published_year)VA

The main role of MySQL in web applications is to store and manage data. 1.MySQL efficiently processes user information, product catalogs, transaction records and other data. 2. Through SQL query, developers can extract information from the database to generate dynamic content. 3.MySQL works based on the client-server model to ensure acceptable query speed.

The steps to build a MySQL database include: 1. Create a database and table, 2. Insert data, and 3. Conduct queries. First, use the CREATEDATABASE and CREATETABLE statements to create the database and table, then use the INSERTINTO statement to insert the data, and finally use the SELECT statement to query the data.

MySQL is suitable for beginners because it is easy to use and powerful. 1.MySQL is a relational database, and uses SQL for CRUD operations. 2. It is simple to install and requires the root user password to be configured. 3. Use INSERT, UPDATE, DELETE, and SELECT to perform data operations. 4. ORDERBY, WHERE and JOIN can be used for complex queries. 5. Debugging requires checking the syntax and use EXPLAIN to analyze the query. 6. Optimization suggestions include using indexes, choosing the right data type and good programming habits.


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