SELECT P.SQL_ID, EXTRACTVALUE(H.COLUMN_VALUE, '/info') LVL
FROM V$SQL_PLAN P,
TABLE(XMLSEQUENCE(EXTRACT(XMLTYPE(P.OTHER_XML), '/other_xml/info'))) H
WHERE P.OTHER_XML IS NOT NULL
AND EXTRACTVALUE(H.COLUMN_VALUE,
'/info/@type') = 'dynamic_sampling';
参照:
来自 “ ITPUB博客 ” ,链接:https://blog.itpub.net/22034023/viewspace-762497/
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