谁知道OB V3/V4展示全链路Trace示例SQL?

谁知道OB V3/V4展示全链路Trace示例SQL?

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OB V3:
set ob_enable_trace_log = 1;
select/+parallel(2)/ count(*) from t1;
show trace;

OB V4:
set ob_enable_show_trace = 1;
select/+parallel(2)/ count(*) from t1;
show trace;

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right~

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向大佬学习

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语法大致一样

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