Script:SQL调优健康检查脚本

以下脚本可以用于收集SQL调优的相关信息,包括统计信息、优化器参数等。

When executed for one SQL_ID, this script generates an HTML report with the results of a set of health-checks around the one SQL statement provided. Health-checks are performed over:

  • CBO Statistics for schema objects accessed by the one SQL statement being analyzed
  • CBO Parameters
  • CBO System Statistics
  • CBO Data Dictionary Statistics
  • CBO Fixed-objects Statistics

 

下载sqlhc脚本

 

示例输出HTML:

 

 

    • 只是说这个sql健康不健康~~不健康了要优化是啊~