清单13展示了新的访问计划。
为了在account表上创建索引之后评估新的访问计划,要发出。
To evaluate the new access plan after the index creation on the ACCOUNT table issue.
这个简单的步骤可能产生新的访问路径,可能显著改进查询性能。
That simple step could lead to a new access path that might dramatically improve query performance.
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