CMS专题
多选题A warehouse fact table in your Oracle 12c Database is range-partitioned by month and accessed frequently with queries that span multiple partitions The table has a local prefixed, range partitioned index. Some of these queries access very few rows in s
题目
Using a partial local Index on the warehouse fact table month column with indexing disabled to the table partitions that return most of their rows to the queries.
Using a partial local Index on the warehouse fact table month column with indexing disabled for the table partitions that return a few rows to the queries.
Using a partitioned view that does a UNION ALL query on the partitions of the warehouse fact table, which retains the existing local partitioned column.
Converting the partitioned table to a partitioned view that does a UNION ALL query on the monthly tables, which retains the existing local partitioned column
Using a partial global index on the warehouse fact table month column with indexing disabling for the table partitions that return most of their rows to the queries.
Using a partial global index on the warehouse fact table month column with indexing disabled for the table partitions that return a few rows to the queries.
相似问题和答案
第1题：
Your are the DBA supporting an Oracle 11g Release 2 database and wish to move a table containing several DATE, CHAR, VARCHAR2, and NUMBER data types, and the table’s indexes, to another tablespace.The table does not have a primary key and is used by an OLTP application.Which technique will move the table and indexes while maintaining the highest level of availability to the application?（）
A. Oracle Data Pump.
B. An ALTER TABLE MOVE to move the table and ALTER INDEX REBUILD to move the indexes.
C. An ALTER TABLE MOVE to move the table and ALTER INDEX REBUILD ONLINE to move the indexes.
D. Online Table Redefinition.
E. Edition-Based Table Redefinition.
第2题：
You work as a database administrator for Certkiller .com. You want to administer your database servers，which are running on different host machines，using the Web-enabled grid control interface. You have configured the agent on the host machines. You have started the Oracle Database 10g Grid Control utility on your machine. Which two additional components would you configure to achieve this objective？（）
- A、Application Server Control
- B、Oracle Management Service
- C、Oracle Enterprise Manager Repository
- D、Oracle Enterprise Manager Database Control
正确答案:C,D
第3题：
Which of the following statements about ORACLE is (are) correct?
Ⅰ.ORACLE follows SQL standard
Ⅱ.ORACLE database defines two logical types: table and view
A．Ⅰonly
B．Ⅱ only
C．Ⅰ and Ⅱ
D．none of the above
第4题：
While planning to manage more than one database in your system， you perform the following activities： 1. Organize different categories of files into independent subdirectories. 2. Use consistent naming convention for database files. 3. Separate administrative information pertaining to each database. Which option corresponds to the type of activities performed by you？（）
- A、Oracle Managed Files
- B、Oracle Grid Architecture
- C、Optimal Flexible Architecture
- D、Oracle database architecture
正确答案:C
第5题：
Which two partitioned table maintenance operations support asynchronous Global Index Maintenance inOracle database 12c?（）
- A、ALTER TABLE SPLIT PARTITION
- B、ALTER TABLE MERGE PARTITION
- C、ALTER TABLE TRUNCATE PARTITION
- D、ALTER TABLE ADD PARTITION
- E、ALTER TABLE DROP PARTITION
- F、ALTER TABLE MOVE PARTITION
正确答案:C,E
第6题：
On your Oracle 12c database, you invoked SQL *Loader to load data into the EMPLOYEES table in the HR schema by issuing the following command:$> sqlldr hr/hr@pdb table=employeesWhich two statements are true regarding the command?（）
A. It succeeds with default settings if the EMPLOYEES table belonging to HR is already defined in the database.
B. It fails because no SQL *Loader data file location is specified.
C. It fails if the HR user does not have the CREATE ANY DIRECTORY privilege.
D. It fails because no SQL *Loader control file location is specified.
第7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（）
- A、Use the external table population.
- B、Use the Oracle Data Pump export and import utility.
- C、Use the conventional path data load of the SQL*Loader utility.
- D、Use the INSERT INTO...SELECT command to load the data
正确答案:C
第8题：
A. Oracle Net Manager
B. Listener Control utility
C. Database Configuration Assistant
D. Oracle Net Configuration Assistant
第9题：
You are maintaining your database in Oracle10g. You find that the number of languages that should be supported in your database has increased. The character set of your database is UTF8. You decide to migrate your database to the AL16UTF16 national character set. How will you migrate your database from UTF8 to AL16UTF16？（）
- A、 by using the RMAN utility
- B、 by using the export/import utility
- C、 by using the ALTER DATABASE command
- D、 by enabling the change tracking feature
正确答案:C
第10题：
A table was just created on your Oracle database with six extents allocated to it. Which of the following factors most likely caused the table to have so many extents allocated?（）
- A、The value for MINEXTENTS setting
- B、The value for PCTINCREASE setting
- C、The value for MAXEXTENTS setting
- D、By default, Oracle allocates six extents to all database objects
正确答案:A