Why do i get listener refused the connection with the following error: ora-12505, tns:listener does not currently know of sid given in connect descriptor'.

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Lucas Acuna Scafati
Lucas Acuna Scafati el 10 de Jun. de 2021
Comentada: Xiaohan Liu el 22 de Oct. de 2023
Hello I'm using MATLAB 2017b and MATLAB 2020a and i used to be able to connecto to our Oracle database. But when the our Oracle version was updated to Oracle version 11.2.0.4, or 11gR2 I now get the error message:
listener refused the connection with the following error: ora-12505, tns:listener does not currently know of sid given in connect descriptor'.
It's not a database issue because i was able to connect through other programs. I think there is an issue with MATLAB's functions.
Does anyone know why this happens?
Thank you,
Lucas

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