When you've looked at the access path selected by DB2 for your target query, ask yourself this question: Should DB2 have selected a different access path for the query?
在查看DB2为目标查询选择的访问路径时,问自己一个问题:DB2应该为这个查询选择不同的访问路径吗?
When you've looked at the access path selected by DB2 for your target query, ask yourself this question: Should DB2 have selected a different access path for the query?
在查看DB2为目标查询选择的访问路径时,问自己一个问题:DB2应该为这个查询选择不同的访问路径吗?
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