Using Navicat to connect to Oracle
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First, use the command sqlplus -v to check the Oracle version number you installed. This time, I will operate according to my 11.2.0 version. For other versions, you can download different versions of the oci package.
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Official website
https://www.oracle.com/database/technologies/instant-client/downloads.html
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Download instantclient-basic and unzip the compressed file
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Download Navicat
link: https://pan.baidu.com/s/10xh0zpcKDZ4tRFKGM8NnLg?pwd=ivw1
Extraction code: ivw1
(1) Open Navicat, Tools → Options
(2) Find "Environment" and select the oci.dll you just downloaded and decompressed.
(3) Click "OK" after completing the selection
(4) Restart navicat, click "Connect" and select "Oracle"
IP is the IP address of the server or computer where Oracle is installed. The service name is the instance name of Oracle. Cases can be ignored.