Just find the internship. You need to use some of their very understanding of the techniques and tools. Open blog, to write down their problems, hoping to help people to later.
Company database used is Oracle, usually I use is MySQL, Oracle is unlikely to be familiar. So today there have been some problems when connecting corporate databases.
I am a DBMS (database management system) is used Navicat Premium12.
First of all, on this remote machine to connect to Oracle databases, Oracle does not need to download the server, but the client must download, Navicat Premium12, PL / SQL tools like. I use Navicat Premium12, so talk about how Oracle database on a remote connection Navicat Premium12.
In the first oracle official website to download Instant Client and sqlplus.
https://www.oracle.com/database/technologies/instant-client/downloads.html
Note: Your Navicat Premium version and the number of bits to be downloaded and instant-client agreement. My software Navicat Premium version is 12, 64-bit, so download is also 64, 12 version.
Go to the download page of the official website, find the option for their own database system, my computer is a Windows 64 system, Navicat Premium12 is 64, so the download is 64.
Point into
See the download screen appears in many things, then should be noted that the downloaded version. The version number is marked above figure. Because I was using a 64-bit Navicat Premium12. So down to find the version 12.
If Navicat Premium11, downloaded version is 11. You need to download the files there are two
Find the right download address, then download, unpack.
After the download is complete, open Navicat Premium. In Tools - Options.
在环境选项卡中设置你下载的内容，分别为sqlplus.exe和oci.dll。点击确定之后，关掉Navicat 。重新启动即可连接Oracle数据库。
连接名可以随便起。
主机填写要连接的数据库的IP地址
用户名密码就是给你的那个。
其他的不用修改。之后点击测试连接。
如果显示上图，证明连接成功。
有什么问题，大家尽管提出来，我会努力改进的。