perform pointintime recovery
perform a Flashback Table operation to restore the table to the state it was in two days ago
perform a Flashback Database operation to restore the database to the state it was in two days ago
perform Flashback Versions Query and Flashback Transaction Query to determine all the necessary undo SQL statements, and then use them for recovery
第1题:
When a system has both online transaction processing as well as large batch processing, which of the following common procedures will best help to improve system performance?()
第2题:
You want to create a new optimized database for your transactional production environment to be used by a financial application. While creating the database, you want the Oracle software to take care of all basic settings to optimize the database performance. Which method would you use to achieve this objective?()
第3题:
In one of your online transaction processing (OLTP) applications, users are manipulating and querying a database table simultaneously. From the Segment Advisor, you find that one of the tables is highly fragmented and you want to shrink the table immediately without affecting the currently active queries. Which option would you use with the ALTER TABLE command to achieve this objective?()
第4题:
You design a Business Intelligence (BI) solution by using SQL Server 2008. The solution includes a SQL Server 2008 Analysis Services (SSAS) database. A cube in the database contains a large dimension named Customers. The database uses a data source that is located on a remote server. Each day, an application adds millions of fact rows and thousands of new customers. Currently, a full process of the cube takes several hours. You need to ensure that queries return the most recent customer data with the minimum amount of latency. Which cube storage model should you use?()
第5题:
Increase the value of the ASM_POWER_LIMIT parameter.
Set the DISK_REPAIR_TIME disk attribute to a lower value.
Specify the statement that adds the disk back to the disk group.
Increase the number of ASMB processes.
Increase the number of DBWR_IO_SLAVES in the ASM instance.
第6题:
Perform point-in-time recovery to 2: 00 p.m.
Use Flashback Table feature to revert the changes.
Restore the entire database from the recent backup and open it.
Issue the rollback statement with system change number (SCN).
第7题:
Heap table
Object table
External table
Clustered table
Global temporary table
Index-organized table (IOT)
第8题:
perform point-in-time recovery
perform a Flashback Table operation to restore the table to the state it was in two days ago
perform a Flashback Database operation to restore the database to the state it was in two days ago
perform Flashback Versions Query and Flashback Transaction Query to determine all the necessary undo SQL statements, and then use them for recovery
第9题:
Restore the backup control file and open the database with RESETLOGS option.
Perform point-in-time recovery because flashback cannot be performed again on this table
Execute the FLASHBACK DATABASE statement to retrieve the CUSTOMERS table as it was at SCN 663571
Execute another FLASHBACK TABLE statement to retrieve the CUSTOMERS table as it was at SCN 663571
第10题:
Boost the priority of batch jobs.
Schedule batch runs to reduce contention with OLTP.
Schedule OS maintenance such that it includes frequent application of PTFs.
Perform incremental backups of transaction processing and full backups of batch processing.
第11题:
Database replay
SQL Tuning Advisor
SQL Access Advisor
SQL Performance Analyzer
Automatic Workload Repository compare reports
第12题:
when performing export and import using Oracle Data Pump
when performing backup and recovery operations using Oracle Recovery Manager
when performing batch processing and bulk loading operation in a data warehouse environment
in an online transaction processing (OLTP) system where large number of client sessions are idle most of the time
第13题:
You are maintaining your OLTP database in Oracle10g. You are performing the Flashback Transaction Query to find the undo SQL statements that can be used to undo the changes made to the database in the specific time period. Which pseudocolumn will you use to perform the Flashback Transaction Query?()
第14题:
In one of your online transaction processing (OLTP) applications, most users frequently modify the values, including the key values, of the application tables. Some users generate application reports by using multiple application tables. What is the best table structure that you can use to gain optimal performance?()
第15题:
You work as a database administrator at Certkiller .com. You are working in an online transaction processing (OLTP) environment. You realize that the salary for an employee, John, has been accidentally modified in the EMPLOYEEStable. Two days ago, the data was in the correct state. Flashback logs generated during last two days are available in the flash recovery area. Which option would you choose to bring the data to the correct state while ensuring that no other data in the same table is affected?()
第16题:
Use the CREATE DATABASE .. command to create the database with Oracle-managed files.
Use the Database Configuration Assistant (DBCA) to create the database with Oracle-managed files.
Use Enterprise Manager to create a new database with the Online Transaction Processing (OLTP) option.
Use Database Configuration Assistant (DBCA) to create the database with Transaction Processing template.
Use the CREATE DATABASE .. command to create the database with Automatic Storage Management (ASM) file system.
第17题:
heap tables
object tables
partitioned tables
index-organized tables (IOTs)
第18题:
heap tables
object tables
partitioned tables
indexorganized tables (IOTs)
第19题:
REBUILD
CASCADE
TRUNCATE
ROW MOVEMENT
SHRINK SPACE COMPACT
SHRINK SPACE CASCADE
第20题:
use the ROLLBACK command with SCN 663571
perform Flashback Transaction Query with SCN 663571
execute the FLASHBACK DATABASE statement to retrieve the CUSTOMERS table as it was at SCN 663571
execute another FLASHBACK TABLE statement to retrieve the CUSTOMERS table as it was at SCN 663571
第21题:
perform point-in-time recovery
perform a Flashback Table operation to restore the table to the state it was in two days ago
perform a Flashback Database operation to restore the database to the state it was in two days ago
perform Flashback Versions Query and Flashback Transaction Query to determine all the necessary undo SQL statements, and then use them for recovery
第22题:
REBUILD
CASCADE
TRUNCATE
ROW MOVEMENT
SHRINK SPACE COMPACT
SHRINK SPACE CASCADE
第23题:
Use ROLLBACK command with SCN 663571.
Perform Flashback Transaction Query with SCN 663571.
Execute the FLASHBACK DATABASE statement to retrieve the CUSTOMERS table as it was at SCN 663571.
Execute another FLASHBACK TABLE statement to retrieve the CUSTOMERS table as it was at SCN 663571.
第24题:
heap table
object table
external table
clustered table
global temporary table
indexorganized table (IOT)