测试Oracle 11g 固定执行计划-Baseline 一,选定sql_id SQLgt; pagesize 300 SQLgt; set linesize 300 SQLgt; set auto
测试Oracle 11g 固定执行计划-Baseline
一,,选定sql_id
上面的sql现在的执行计划是情况,假设如上的执行计划效率底下,我们想用其它的执行计划(全表扫描emp)来代替它,并用oracle 11g中的sql plan baseline来固定次SQL的执行。
二,添加Hint的sql:
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