Linux上搭建Oracle的客户端


有时我们需要在Linux操作系统下搭建Oracle客户端,可通过以下几步:

(1)下载oracle-instantclient的rpm包:

oracle-instantclient19.3-basic-19.3.0.0.0-1.x86_64.rpm

oracle-instantclient19.3-sqlplus-19.3.0.0.0-1.x86_64.rpm

下载地址: https://www.oracle.com/database/technologies/instant-client/linux-x86-64-downloads.html

(2)安装rpm包:

 rpm -ivh oracle-instantclient19.3-basic-19.3.0.0.0-1.x86_64.rpm

 rpm -ivh  oracle-instantclient19.3-sqlplus-19.3.0.0.0-1.x86_64.rpm

安装完成后,oracle客户端默认装在/usr/lib/oracle下。

(3)设置环境变量及目录

编辑root用户的.bash_profile文件:

PATH=$PATH:$HOME/bin

export ORACLE_HOME=/usr/lib/oracle/19.3/client64/

export ORACLE_BASE=/usr/lib/oracle/19.3/

export TNS_ADMIN=$ORACLE_HOME/network/admin

export LD_LIBRARY_PATH=$ORACLE_HOME/lib:$LD_LIBRARY_PATH

PATH=$PATH:$HOME/bin:$ORACLE_HOME/bin

export PATH

编译完成后使其立即生效:

source .bash_profile

创建不存在的目录:

mkdir -p $ORACLE_HOME/network/admin

(4)添加tns服务名

vim  $ORACLE_HOME/network/admin/tnsnames.ora

yun_119 =

  (DESCRIPTION =

    (ADDRESS_LIST =

      (ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.XX.XX)(PORT = 1521))

    )

    (CONNECT_DATA =

      (SERVER = DEDICATED)

      (SERVICE_NAME = orcl)

    )

  )

(5)验证是否成功

还可以直连数据库:

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