当前位置:1Z0-042题库

问题:

[单选] As a database administrator you spend a lot of time observing and setting various storage parameter values for your application tables in order to gain performance benefits. Which task would you perform to reduce this overhead?()

A . Coalesce the application tables at a regular interval.
B . Export and Import the application tables a regular interval.
C . Drop and recreate the application tables at a regular interval.
D . Move the application tables to a tablespace with less space usage.
E . Distribute the application tables across multiple tablespaces depending on usage.
F . Move the application tables to automatic segment space management tablespace.

You created a tabular report for human resources department. After viewing layout users have requested that you change the label of the dept column to something more meaningful. How would you change the label in the live previewer?() Use the report wizard to change the column label. 。 Click and high light the column label and replace it with desired text. 。 Click the column label and alter its property palette. 。 Click the dept column and alter its property palette.&e。 工应当参加工伤保险,由用人单位缴纳工伤保险费,职工不缴纳工伤保险费。 Examine the following command that is used to duplicate a database on the same host:   RMAN> RUN {  ALLOCATE AUXILIARY CHANNEL, aux 1 DEVICE TYPE DISK; DUPLICATE TARGET DATABASE TO auxdb SKIP READONLY; \ } Which two statements describe the effect after the database is duplicated successfully?()  The data files of the read-only tablespaces in the target database are not duplicated。  The read-only tablespaces in the target database are still defined in new the database。  The read-only tablespaces in the target database are changed to online after duplication。  The data files of the read-only tablespaces in the target database get duplicated。  The read-only tablespaces in the target database are not defined in the new database。 直接比较法 Given: What is the result when the programmer attempts to compile the code and run it with the command java Converter 12?() It is true that j==i.。 It is false that j==i.。 An exception is thrown at runtime.。 Compilation fails because of an error in line 13.。 As a database administrator you spend a lot of time observing and setting various storage parameter values for your application tables in order to gain performance benefits. Which task would you perform to reduce this overhead?()
参考答案: F

  参考解析

本题暂无解析

在线 客服