I've created db link on oracle database to azure db. The problem is that when i do for example: select * from schema.db_table@azure_db

i have normal result. But when i want to take specific column i have error: 'ORA-28500: connection from ORACLE to a non-Oracle system returned this message: [Microsoft][ODBC Driver 18 for SQL Server]SMux Provider: Physical connection is not usable [xFFFFFFFF]. {08S02,NativeErr = -1}[Microsoft][ODBC Driver 18 for SQL Server]Unable to open a logical session {08S02,NativeErr = -1}'

I tried to use uppercases, lowercases, "" etc. Nothing works if i want take one specific column.

Does someone had similar problem?

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