The data present in ASH can be rolled up on various dimensions that it
captures, including the following:
■ SQL identifier of SQL statement
■ Object number, file number, and block number
■ Wait event identifier and parameters
■ Session identifier and session serial number
■ Module and action name
■ Client identifier of the session
■ Service hash identifier[@more@]
captures, including the following:
■ SQL identifier of SQL statement
■ Object number, file number, and block number
■ Wait event identifier and parameters
■ Session identifier and session serial number
■ Module and action name
■ Client identifier of the session
■ Service hash identifier[@more@]
来自 “ ITPUB博客 ” ,链接:http://blog.itpub.net/10599713/viewspace-1004808/,如需转载,请注明出处,否则将追究法律责任。
转载于:http://blog.itpub.net/10599713/viewspace-1004808/
本文详细介绍了ASH中数据的各个维度,包括SQL标识符、对象编号、等待事件标识等,并探讨了这些数据如何被利用来进行不同层面的分析。
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