> 作者：threedayman
>
> 來源：[恆生LIGHT雲社群](https://developer.hs.net/thread/1610)

### **安裝包下載地址**

https://www.oracle.com/cn/database/technologies/oracle-database-software-downloads.html#19c

![image-20211117161530646.png](https://developer.hs.net/storage/attachments/2021/11/21/trAI6aeyFdpBCaGYFanqVFKAqO1QLEEGipALJCrb.png)

我們選用RPM包下載安裝。

### **安裝幫助文件**

https://docs.oracle.com/en/database/oracle/oracle-database/19/ladbi/preface.html#GUID-071A6B76-11E3-4421-963E-41DA6F2EF07A

### **安裝環境**

```
cat /etc/redhat-release 
CentOS Linux release 7.7.1908 (Core)
```

在非OralceLinux環境下安裝，需要下載對應平臺的rpm。

下載地址：https://yum.oracle.com/repo/OracleLinux/OL7/latest/x86_64/index.html，搜尋-19c下載最新版本即可。

### **安裝**

首先執行

```
[root@linuxtestb538 oracle]# rpm -ivh oracle-database-preinstall-19c-1.0-3.el7.x86_64.rpm 
warning: oracle-database-preinstall-19c-1.0-3.el7.x86_64.rpm: Header V3 RSA/SHA256 Signature, key ID ec551f03: NOKEY
error: Failed dependencies:
        bind-utils is needed by oracle-database-preinstall-19c-1.0-3.el7.x86_64
        compat-libcap1 is needed by oracle-database-preinstall-19c-1.0-3.el7.x86_64
        ksh is needed by oracle-database-preinstall-19c-1.0-3.el7.x86_64
        smartmontools is needed by oracle-database-preinstall-19c-1.0-3.el7.x86_64
        sysstat is needed by oracle-database-preinstall-19c-1.0-3.el7.x86_64
        xorg-x11-utils is needed by oracle-database-preinstall-19c-1.0-3.el7.x86_64
```

執行出現缺少依賴錯誤。

改用yum命令進行安裝

```
 yum install oracle-database-preinstall-19c-1.0-3.el7.x86_64.rpm
 Installed:
  oracle-database-preinstall-19c.x86_64 0:1.0-3.el7

Dependency Installed:
  GeoIP.x86_64 0:1.5.0-14.el7                             bind-libs.x86_64 32:9.11.4-26.P2.el7_9.7              bind-libs-lite.x86_64 32:9.11.4-26.P2.el7_9.7            
  bind-license.noarch 32:9.11.4-26.P2.el7_9.7             bind-utils.x86_64 32:9.11.4-26.P2.el7_9.7             compat-libcap1.x86_64 0:1.10-7.el7                       
  geoipupdate.x86_64 0:2.5.0-1.el7                        ksh.x86_64 0:20120801-142.el7                         smartmontools.x86_64 1:7.0-2.el7                         
  sysstat.x86_64 0:10.1.5-19.el7                          xorg-x11-utils.x86_64 0:7.5-23.el7

Complete!
```

安裝Oracle資料庫

```
 yum install oracle-database-ee-19c-1.0-1.x86_64.rpm 
 Installed:
  oracle-database-ee-19c.x86_64 0:1.0-1                                                                      
Complete!
```

配置資料庫

```
/etc/init.d/oracledb_ORCLCDB-19c configure
100% complete
Database creation complete. For details check the logfiles at:
 /opt/oracle/cfgtoollogs/dbca/ORCLCDB.
Database Information:
Global Database Name:ORCLCDB
System Identifier(SID):ORCLCDB
Look at the log file "/opt/oracle/cfgtoollogs/dbca/ORCLCDB/ORCLCDB.log" for further details.

Database configuration completed successfully. The passwords were auto generated, you must change them by connecting to the database using 'sqlplus / as sysdba' as the oracle user.
```

配置好後設定當前使用者下的環境變數

```
vi ~/.bashrc    (開啟檔案後追加oracle的環境變數資訊)
---------------------------------------------------
export ORACLE_HOME=/opt/oracle/product/19c/dbhome_1 
export ORACLE_SID=ORCLCDB
export PATH=$ORACLE_HOME/bin:$PATH
---------------------------------------------------

透過執行
source ~/.bashrc  （命令執行後設定的環境變數生效）
```

**驗證安裝是否正確**

```
su oracle   (使用者切換到oracle使用者)
sysplus / as sysdba
SQL*Plus: Release 19.0.0.0.0 - Production on Wed Nov 17 18:59:32 2021
Version 19.3.0.0.0

Connected to:
Oracle Database 19c Enterprise Edition Release 19.0.0.0.0 - Production
Version 19.3.0.0.0

SQL> 
```

執行以上命令 確認Oracle資料庫是否能夠正確連線成功。

「Oracle」Oracle 資料庫安裝

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