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: 
本文转自maclean_007 51CTO博客，原文链接:http://blog.51cto.com/maclean/1278209
