Oracle 视图 DBA_ADVISOR_EXEC_PARAMETERS 官方解释,作用,如何使用详细说明
本站中文解释
Oracle视图DBA_ADVISOR_EXEC_PARAMETERS用来查询SQL或AWR Advisor执行时的参数状态,列出每个参数的执行时值和计算后的建议值。该视图通过DBA_ADVISOR_FINDINGS视图来监视Advisor推荐,并在实施推荐后追踪参数值及变化。这个视图涵盖实施推荐前后的所有参数变化。
要使用该视图,可以以下查询:
select * from dba_advisor_exec_parameters;
官方英文解释
DBA_ADVISOR_EXEC_PARAMETERS
displays the parameter values used for past executions of tasks.
It is more useful for advisors supporting multiple executions, such as SQL Performance Analyzer, where a parameter can have different values for different executions.
Related View
USER_ADVISOR_EXEC_PARAMETERS
displays the parameter values used for past executions of tasks owned by the current user.
Column | Datatype | NULL | Description |
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Owner of the task |
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Unique identifier of the task |
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Name of the task |
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Name of the task execution with which this entry (row) is associated |
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Type of the last execution. This information is optional for single-execution tasks. |
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Name of the parameter |
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Value of the parameter. Numeric parameter values are converted to a string equivalent. |
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Datatype of the parameter (see |
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Indicates whether the parameter value is set to the advisor’s default value ( |
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Indicates whether the task execution process sets the parameter value ( |
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Indicates whether the parameter value can be modified when the task is not in its initial state ( |
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Optional description of the parameter |
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Reserved for internal use |
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Reserved for internal use |
See Also:
“USER_ADVISOR_EXEC_PARAMETERS”