Note
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? - dynamic sampling used for this statement (level=2)
统计信息
----------------------------------------------------------
? ? ? ? ? 7? recursive calls
? ? ? ? ? 0? db block gets
? ? ? 1142? consistent gets
? ? ? ? ? 0? redo size
? ? ? 1577? bytes sent via SQL*Net to client
? ? ? ? 337? bytes received via SQL*Net from client
? ? ? ? ? 2? SQL*Net roundtrips to/from client
? ? ? ? ? 0? sorts (memory)
? ? ? ? ? 0? sorts (disk)
? ? ? ? 11? rows processed