單項(xiàng)選擇題

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？（）

A.The listener is not running at the server.
B.The TNS_ADMIN environmental variable is set to a wrong value.
C.The orcl.oracle.com database service is not registered with the listener.
D.The DEFAULT_DOMAIN parameter is set to a wrong value in the SQLNET.ORA file.

你可能感興趣的試題

單項(xiàng)選擇題

Examine the following commands executed in your database： SQL> ALTER SESSION RECYCLEBIN=ON； Session altered
SQL > CREATE TABLE emp TABLESPACE tbsfd AS SELECT * FROM hr.employees；
Table created.
Further， you executed the following command to drop the table：
SQL> DROP TABLE emp；Table dropped.
What happens in this scenario？（）

A.The table is moved to the SYSAUX tablespace.
B.The table is moved to the SYSTEM tablespace.
C.The table is removed from the database permanently.
D.The table is renamed and remains in the TBSFD tablespace.

多項(xiàng)選擇題

Which two statements about Recovery Manager （RMAN） backups are true？（）

A.Online redo log files can be backed up.
B.Archived redo log files are backed up.
C.Only used data blocks can be backed up as backup sets.
D.Only consistent database backups can be performed.
E.RMAN backup can be taken only if the database is configured in ARCHIVELOG mode.

日韩欧美亚洲 _ 欧美亚洲一区 _ 日本亚洲欧美 _ 亚洲精品欧美 国产白袜脚足J棉袜在线观看_亚洲熟妇av一区二区三区_久久天天躁狠狠躁夜_精品众筹模特私拍在线

你可能感興趣的試題

Which two statements about Recovery Manager （RMAN） backups are true？ （）

日韩欧美亚洲 _ 欧美亚洲一区 _ 日本亚洲欧美 _ 亚洲精品欧美国产白袜脚足J棉袜在线观看_亚洲熟妇av一区二区三区_久久天天躁狠狠躁夜_精品众筹模特私拍在线

Which two statements about Recovery Manager （RMAN） backups are true？（）