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Child number 0 but multiple execution plans,why?

edited Apr 26, 2018 9:07AM in SQL Performance (MOSC) 2 commentsAnswered ✓

Hello Gurus,

Wanted to understand why does oracle generated different execution plans for same sql_id(child_number=0) ,no child cursors or reason in v$sql_shared_cursor. Just shows, 1 PHV in v$sql but dba_hist_sqlstats shows multiple execution plans .

Thanks

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