[bbk5329] 第79集 第10章 SQL Performance 00

oracle的智能体现:oracle在AWR执行完成一次快照收集之后,ADDM会自动监控本次收集快照之后发现的影响性能的SQL或者其他组件,然后自动调用相应的Advisor进行分析,被报告出分析结果.

Objectives

After completing this lesson,you should be able to :

  • Use the SQL Tuning Advisor to:
    • -Identify SQL statements that are using the most resources
    • -Tune SQL statements that are using the most resources
  • Use the SQL Access Advisor to tune a workload

SQL Tuning

SQL tuning process

  • Identify poorly tuned SQL statements.
  • Tune the individual statements.
  • Tune the application as a whole.

SQL Advisor

Automatic SQL Tuning Results

Implement Automatic Tuning Recommendations

原文地址:https://www.cnblogs.com/arcer/p/3115987.html