You are managing an Oracle Database 11g ASM instance with a disk group dg01 having three disks. One of the disks in the disk group becomes unavailable because of power failure. You issued the following command to change the DISK_REPAIR_TIME attribute from 3.6 hours to 5 hours: ALTER DISKGROUP dg01 SET ATTRIBUTE 'disk_repair_time' = '5h'; To which disks in the disk group will the new value be applicable?()
第1题:
You are using flat files as the data source for one of your data warehousing applications. To optimize the application performance, you plan to move the data from the flat files to clustered tables in an Oracle database.While migrating the data, you want to have minimal impact on the database performance and optimize the dataload operation. Which method would you use to load data into the Oracle database()
第2题:
You can use Oracle Flashback to look at past activity in your database. What are two other characteristics of Oracle Flashback?()
第3题:
You are managing the APPPROD database as a DBA which is not using the Oracle-managed files. You plan to duplicate this database in the same system with the name DUPDB.You want to create the same directory structure for duplicate database files as of the target database.You executed the following RMAN commands:What are the implications of this command?()
A. It creates database files for the duplicate database under the Oracle base with a different directory for the duplicate database.
B. It overwrites data files of the target database because a different location for data files is not mentioned for the duplicate database.
C. It creates database files for the duplicate database under the same Oracle home as that of the target database with the same directory structure.
D. It creates database files for the duplicate database under the same Oracle home as that of the target but with a different directory for the duplicate database.
第4题:
You issue the following statement: SQL> SELECT FIRSTNAME, LASTNAME FROM HR.EMPLOYEE; You receive the following error: 01578: ORACLE data block corrupted (file# 6, block # 54) ORA-01110 : data file 6: ’u01/oracle/oradata/data1.dbf’ How will you resolve this problem of data block corruption by reducing the mean time to recover (MTTR)?()
第5题:
You want to estimate the size of a table by using the Oracle Enterprise Manager. On which data is the size of the table NOT based?()
第6题:
Which statements are true regarding the Oracle Data Pump export and import operations()
第7题:
Which three statements are true about Oracle Data Pump export and import operations?()
第8题:
A. You can detach from a data pump export job and reattach later.
B. Data pump uses parallel execution server processes to implement parallel import.
C. Data pump import requires the import file to be in a directory owned by the oracle owner.
D. The master table is the last object to be exported by the data pump.
E. You can detach from a data pump import job and reattach later.
第9题:
You are using Oracle Enterprise Manager to estimate the size of a table to be created. You have typed data regarding the column names, data types, sizes of the columns, and the projected number of rows in the table. Which additional information does the Oracle Enterprise Manager return?()
第10题:
Which two statements are true regarding the Oracle Data Pump export and import operations()