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How to connect a database with the same name on different ip addresses when connecting oracle with plsql

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How to connect a database with the same name on different ip addresses when connecting oracle with plsql

Sometimes, in work, the database name is the same through plsql, but on different ip hosts, how can we differentiate connections through plsql? For example:
Release/release/ZvcmNsYmq1xL/io6y2 + release/Uyr6yorK7z + release + 38zltcTEs7j2v + LKsdT1w7TH + release = "http://www.2cto.com/uploadfile/Collfiles/20150330/201503300944066.png" alt = "here write picture description" title =" ">

Open the tnsnames. ora file and you can see the corresponding alias of the specific database.

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