oracle之flashback深入研究(三)
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2936981 recursive calls
10 db block gets
3772792 consistent gets
14256 physical reads
0 redo size
1139 bytes sent via SQL*Net to client
523 bytes received via SQL*Net from client
2 SQL*Net roundtrips to/from client
731820 sorts (memory)
0 sorts (disk)
2 rows processed
SQL>
这就是闪回查询，闪回版本查询，闪回事务查询。