单项选择题

The customer and order tables are often used in joins， thereby resulting in complex queries. You created views to simplify the writing of queries. These views are stored in（）.

A.user tables
B.view segment
C.table segment
D.data dictionary
E.object segment
F.performance tables

点击查看答案

上一题目录下一题

相关考题

单项选择题

You manually create an additional listener process，L1，for databases PROD，
PAYDB and FINDB. While starting up the listener process，you get the following error message： LSNRCTL> start l1
Starting /u01/app/oracle/product/10.1.0/db_1/bin/tnslsnr： please wait...
TNSLSNR for Linux： Version 10.1.0.2.0 - Production
System parameter file is /u01/app/oracle/product/10.1.0/db_1/network/admin/listener.ora Log messages written to /u01/app/oracle/product/10.1.0/db_1/network/log/l1.log Error listening on：
（ADDRESS=（PROTOCOL=TCP）（HOST=144.23.230.185）（port=8899））
TNS-12542： TNS：address already in use TNS-12560：
TNS：protocol adapter error TNS-00512： Address already in use
Linux Error： 98： Address already in use
Listener failed to start. See the error message（s） above...
What action would you take to overcome this error without disrupting any existing database communications？（）

A.stop and restart the listener process
B.set the TNS_ADMIN environmental variable
C.stop all running listener processes and restart the listener process
D.change the port number to an unused port number and restart the listener process
E.change the IP address to host machine name in the LISTENER.ORA file and restart the listener process

单项选择题

In your database， you may be forced to perform a recovery using the RESETLOGS option during which the redo logs would be reset to sequence number 1. You want to avoid the overwriting of old log files. Which archived log file name format ensures this？（）

A.%t_%s.dbf
B.arch_%t.arc
C.arch_%d.arc
D.arch_%t_%d.arc
E.arch_%d_%s_.dbf
F.arch_%t_%s_%r.arc

单项选择题

Your database is running in the ARCHIVELOG mode. You placed a tablespace， tbs_1， offline with the immediate option. Which statement is correct in this scenario？（）

A.The operation would fail if tbs_1 were a read-only tablespace.
B.The operation would fail if tbs_1 were a read/write tablespace.
C.The operation would fail if tbs_1 were the default tablespace for the database.
D.If the above operation were successful， media recovery would be required to bring the tablespace online.
E.If the above operation were successful， instance recovery would be required to bring the tablespace online.