题目内容
Your tnsnames.ora file has the following entry for the service alias ORCL: ORCL = (DESCRIPTION = (ADDRESS = (PROTOCOL = TCP) (HOST = 10.156.24.216) (PORT = 1521)) (CONNECT_DATA = (SERVER = DEDICATED) (SERVICE_NAME = orcl.oracle.com) ) ) The TNSPING command executes successfully when tested with ORCL but you are not able to connect to the database instance with the following command: SQL> CONNECT scott/tiger@orcl What could be the reason for this?()
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