Error description is as follows:
1, set up the odbc test connection server when successful,
2, through the power of excel query when connecting to the database to ora - 12154 error,
My small white, is in don't know how, ask ace to give directions, thank you,
In addition, through a pl/SQL developer client connect to the database is normal, through SQL plus connection is normal also,
Paid for the answer, Q98zero6zero24