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目录: (一)六种执行计划 (1)explain plan for (2)set autotrace on (3)statistics_level=all (4)dbms_xplan.display_cursor获取...
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(一)开启10046追踪 SQL> alter session set events '10046 trace name context forever,level 12'; (二)执行sql语句 SELECT J.JOB_ID, J...
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