The explain information is stored in the explain tables, which can be further processed by explain formatting utility, such as db2exfmt.
这些解释信息会存储在解释表中，它可以由解释格式化实用工具进一步加以处理，如db2exfmt。
You will gain more utility and performance improvements from memcached if you use it to store entire blocks of information after loading and formatting.
如果在加载和格式化后，使用它来存储全部信息块，就可以从memcached获得更多的实用工具和性能上的改善。
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