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：遠程連接，客戶端需要配置tns，服務端要配置監聽，而且對應的service要匹配。來自3組：1015267481)