choose two
Examine this command executed on a client that is remote from the database server.
SQL> CONNECT hr/hr@orcl
Which two are required for this command to connect the SQLPLUS client to a database instance?
A) A service name must be defined to the listener that matches the service name in the orcl TNS entry.
B) An orcl TNS entry must be defined in the client-side tnsnames.ora file.
C) An orcl TNS entry must be defined in the client-side and server-side tnsnames.ora files.
D) The service name orcl must be defined to the listener.
E) An orcl TNS entry must be defined in the server-side tnsnames.ora file.
Answer:AB
(解析:远程连接,客户端需要配置tns,服务端要配置监听,而且对应的service要匹配。来自3组:1015267481)
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