Two, Oracle download and install
2.1, Oracle Introduction
- Oracle Corporation is the world's largest information management software and services provider, was founded in 1977, main business is to promote e-commerce platform to build. Oracle Corporation has its own server, database, development tools, programming languages, software in the industry as well as enterprise resource planning (ERP) software, customer relationship management (CRM) software, human resource management software (HCM) and other large management systems, so Oracle is a comprehensive international companies, is one of the most technically a higher low in the strength of the company and Microsoft.
- Oracle founder of the company depends on four legends (from left): Ed Oates, Bruce Scott, Bob Miner, Larry Ellison.
- Oracle's origin comes from a paper IBM analyst - On the development of relational databases.
- Oracle is the software vendor of business applications, such as: banking, telephone, shopping, then this program will have a total of four components: operating system, database, middleware, programming language. In addition to providing support for business development, but also provides a number of commercial software.
- Larry Ellison
Larry Ellison is the founder of Oracle Corporation, Oracle is a leader in development of the company. Larry Ellison first put forward the concept of e-commerce, and let Oracle company actively engaged in e-commerce solutions, and in 1995 after the rapid development of Oracle's focus on the network (this can be With the introduction of Oracle 8i and more obvious), and in 2009 to 7.4 billion dollars (at a price of 9.5 US dollars per share) acquisition of SUN company, since then indicates that Oracle will become the industry's only vendor to provide a comprehensive system, will have its own programming language (Java), database (Oracle, MySQL), middleware (BEA acquisition of WebLogic), operating system (Solaris, UNIX), server, so that Oracle's position in the industry as a whole will become more stable, the Java language development prospects of getting better.
- Oracle word was translated in the ancient Greek myth as "oracles", referring to the instructions of God, and God's favorite. The Shang and Zhou dynasties in ancient China, some carved on tortoise shell text also as God's instructions, it was translated in Chinese as Oracle, Oracle.
- Oracle has always advocated large-scale commercial applications, in fact, have begun to face the challenges of cloud services.
2.2, Oracle Download (Oracle 12c version)
- Download: www.oracle.com
- Downloads -> Oracle Database -> Downloads -> accept the agreement -> 64-bit system
- There will be two compressed files after the download is complete, then the two decompress compressed files, merge into one file after decompression. (Note: To off the net, off the firewall, turn off anti-virus software)
- Direct the installation directory setup.exe command to start the installation.
2.3, Oracle installation process
Blank e-mail, uncheck the "accept updates" and click "Next";
Prompted, click "Yes", select "Skip Updates", click "Next";
Select "Create and configure database";
Select "Server Classes", select "single-instance database installation", click on "Next";
Select "Advanced Setup" language selection "Chinese" and "English";
After the version select "Enterprise Edition" click "Next";
Create a new user: Oracleuser, password: oracleadmin;
Select the installation path (typically the root directory D drive);
Select "general purpose / Transaction Processing";
Enter the global database name: mldn (SID will automatically change the input SID, the library name does not modify the automatic);
The same page, check the "Create a database container", and optionally enter a name into the database: pdbmldn;
Memory Select "Auto Management";
Character Set Selection "UTF-8", (if winxp, recommended to set GBK);
Check the example program "Creating a Database Program";
Save the file system path: D disk;
Registration not vote, direct the next step, check the "Enable restore" (default);
Select "Use the same password for all accounts": oracleadmin;
Next, pop up a password does not meet the standard prompt box Select "Yes";
Then enter inspection before installation;
After checking the completion directly click Install.
Note: Do not click on any of the operations after the installation is complete, such as "Finish, OK, Cancel," and so on!
2.4, after the installation configuration Oracle
There will be a password management interface after installation is complete, if the point is determined, then some of the user's password can not be changed common password.
| username | password | description |
|---|---|---|
| sys | change_on_install | Super Administrator database |
| system | manage | General administrator of the database |
| scott | tiger | Ordinary users of the database, which provides tables in the SQL statement to be used to explain |
| sh | sh | Big data users, which store huge amounts of data, do the test use |
Click on "Password management" interface input system and sys password, click "OK";
Tip bomb box, click "Yes", after the setup is complete you can click "OK";
Tip installation is complete, click "Close" button.
After the Oracle installation is complete, then there will be a number of services: Computer - Management - Services
Oracle's proposal to change the five service manual start, so start speed can be faster!
在所有给出的服务里面，有两个服务是最重要的：
* 数据库的监听服务：OracleOraDB12HomeITNSListener
如果说现在要通过远程客户端链接数据库，或者直接利用程序进行数据库的连接，此服务必须打开。
* 数据库的实例服务：OracleServiceMLDN
Oracle 本身是一个平台，平台里面有多个数据库，那么每一个数据库都会存在这样的一种服务名称：Oracle Service SID Description: The learning materials are based on Oracle development LiXingHua finishing the combat classic