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SQL> set autotrace traceonly
SQL> select /*+ rule */ * from kc22 where akb020='100004' and AKc190='30048174120060825' and akc220='265';
Execution Plan
----------------------------------------------------------
0 SELECT STATEMENT Optimizer=HINT: RULE
1 0 TABLE ACCESS (FULL) OF 'KC22'
Statistics
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0 recursive calls
0 db block gets
14569 consistent gets
5585 physical reads
0 redo size
3785 bytes sent via SQL*Net to client
425 bytes received via SQL*Net from client
2 SQL*Net roundtrips to/from client
0 sorts (memory)
0 sorts (disk)
1 rows processed
现在又发现一个问题,早上重建索引,分析完成,基本不做全表扫描,到中午后,又出现大量全表扫描,这个时间段内,只是增加了一些数据而已,每天都是如此,要崩溃了! |
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