12c: database soft install

1. 界面1：Configure Security Updates
   取消选择“I wish to receive security updates via My Oracle Support”, 点击“next”
   
   弹出的提示框选择“Yes”
   
   
2. 界面2：Installation Option    
   选择“Install database software only”，点击Next
   
   
3. 界面3：Grid Installation Options    
   选择“Single instance database installation”，点击Next
   
   
4. 界面4：Database Edition
   选择企业版：Enterprise Edition (7.5GB)，点击“next”
   
   
5. 界面5：Installation Location
   Oracle Base:/u01/oracle/product
   Software Location:/u01/oracle/product/12.2.0/dbhome_1
   点击“next”
   
   
6. 界面6：Create Inventory
   Inventory Directory: /u01/oracle/oraInventory
   oraInventory Group name: oinstall
   点击“next”
   
   
7. 界面7：Operating System Groups    
   Database Administration (OSDBA) Group : dba
   Database Operator (OSOPER) Group: oper
   Database Backup and Recovery(OSBACKUPDBA) group: backupdba
   DataGuard administrative (OSDGDBA) group: dgdba
   Encryption Key Management administrative (OSKMDBA) group: kmdba
   Real Application Cluster administrative (OSRACDBA) group: 单机，默认dba
   点击"next"
   
   
8. 界面8：Summary  
   点击“Install”
   
   
9. 界面9：Installing database
   安装进行中
   
   运行脚本
   点击“OK”
   
   
10. 界面10：Finish
    点击“Close”