1z0-020 考试题库

oracle8l:new features for administrators

  • 科目编号 : 1z0-020
  • 考题名称 : oracle8l:new features for administrators
  • 题库数目 : 82 Q&As
  • 更新时间: 2010-05-17
  • 价格: ¥ 462.00 ¥ 413.00

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1z0-020 考试是 Oracle 公司的 oracle8l:new features for administrators 认证考试官方代号,Examsoon 的 1z0-020 权威考试题库软件是 Oracle 认证厂商的授权产品,Examsoon 绝对保证第一次参加 1z0-020 考试的考生即可顺利通过,否则承诺全额退款!
 
 
Exam : Oracle 1Z0-020
Title : Oracle8l:New Features for Administrators


1. Which two statements are true? (Choose two)
A. Dimensions are based on summaries.
B. The ALTER MATERIALIZED VIEW CONSIDER FRESH statement directs Oracle to consider the materialized view fresh, and therefore eligible for query rewrite in the TRUSTED or STALE_TOLERATED mode only.
C. Summaries without dimensions are used for faster aggregation.
D. Additional query rewrites at a higher level of aggregation can take place if summaries are created at the lowest level of aggregation.
Answer: AD

2. Which tool, integrated with Oracle universal installer, can be used by third-party vendors to install their products as art of an Oracle installation?
A. Oracle Software Packager.
B. Java Run-Time environment.
C. Database migration assistant.
D. Optimal flexible architecture.
Answer: A

3. You set the PARALLEL_AUTOMATIC_TUNING initialization parameter to FALSE. What happens? (Choose two)
A. Parallel execution buffers are allocated from the large pool.
B. Parallel execution buffers are allocated from the shared pool.
C. Only tables with a degree of parallelism specified will be scanned in parallel.
D. A load balancing algorithm will be used to distribute evenly load across nodes in a multi instance PQ environment.
Answer: BC

4. Which two options are valid for LOBs during their creation? (Choose two)
A. REDO
B. NOREDO
C. LOGGING
D. NOLOGGING
E. RECOVERABLE
F. UNRECEOVERABLE
Answer: CD

5. Which two statements are true? (Choose two)
A. Composite partitioning supports local indexes.
B. Composite partitioning supports hash-partitioned global indexes.
C. Composite partitioning supports range-partitioned global indexes
D. Composite partitioning supports composite-partitioned global indexes.
Answer: BD

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