ITPub博客

首页 > 数据库 > Oracle > Oracle OCP 1Z0 053 Q493(SQL Performance Analyzer)

Oracle OCP 1Z0 053 Q493(SQL Performance Analyzer)

原创 Oracle 作者:abstractcyj 时间:2016-04-04 15:26:55 0 删除 编辑
493.Which three statements about performance analysis by SQL Performance Analyzer are true?
(Choose three.)
A. It detects changes in SQL execution plans.
B. It produces results that can be used to create the SQL plan baseline.
C. The importance of SQL statements is based on the size of the objects accessed.
D. It generates recommendations to run SQL Tuning Advisor to tune regressed SQLs.
E. It shows only the overall impact on workload and not the net SQL impact on workload.
Answer: ABD

来自 “ ITPUB博客 ” ,链接:https://blog.itpub.net/8520577/viewspace-2075023/ ,如需转载,请注明出处,否则将追究法律责任。

请登录后发表评论 登录
全部评论
曾从事java方向开发多年。近年已经转入数据库方向。主要擅长SQL优化,Oracle数据库问题诊断,Oracle备份与恢复等。服务于医药物流,医院等行业

注册时间:2010-01-26

  • 博文量
    602
  • 访问量
    1091629