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You have created an Oracle 10g database named SALES， which will be used by an application named SalesOrders. Users of the SalesOrders application complain that application response time is slow when they generate reports. The SalesOrders application accesses a table that contains 10 million rows. You decide to create an index on this table using the NOLOGGING option so that the index creation process is completed in the least amount of time. Which of the following is NOT true about an index created with the NOLOGGING option？（）
- A、 The index can be changed from NOLOGGING to LOGGING
- B、 The index cannot be recovered even in the ARCHIVELOG mode.
- C、 The index can only be created if the base table is created with the NOLOGGING option.
- D、 The index can be recovered if you perform a backup after the CREATE INDEX statement.
参考答案
更多 “You have created an Oracle 10g database named SALES， which will be used by an application named SalesOrders. Users of the SalesOrders application complain that application response time is slow when they generate reports. The SalesOrders application accesses a table that contains 10 million rows. You decide to create an index on this table using the NOLOGGING option so that the index creation process is completed in the least amount of time. Which of the following is NOT true about an index created with the NOLOGGING option？（）A、 The index can be changed from NOLOGGING to LOGGINGB、 The index cannot be recovered even in the ARCHIVELOG mode.C、 The index can only be created if the base table is created with the NOLOGGING option.D、 The index can be recovered if you perform a backup after the CREATE INDEX statement.” 相关考题
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单选题You work as a database administrator for Supportcenter.cn. In a production environment， users complain about the slow response time when accessing the database. You have not optimized the memory usage of the Oracle instance and you suspect the problem to be with the memory. To which type of object would you refer to determine the cause of the slow response？（）A
The trace fileB
The fixed viewsC
The data dictionary viewsD
The operating system log fieldsE
The dynamic performance views.
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单选题You work in a company which uses SQL Server 2008. You are the administrator of the company database. Now you are in charge of a SQL Server 2008 instance. The instance has databases for a finance application and a manufacturing application. You want to put some limitation on the maximum CPU query time allowed by the applications, so you configure the Resource Governor to achieve this. But you notice that certain reports do not execute successfully any longer on the manufacturing application. You have to allow the manufacturing application to consume more CPU time, so you have to change the Resource Governor configuration. Which Resource Governor component should you configure?（）A
The workload group which is used by default B
The workload group which is used by the finance application C
The classifier function which identifies the finance application D
The workload group which is used by the manufacturing application
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