它们返回高命中率sql语句，例如耗用排序时间最多的语句。
They return heavy hitter SQL statements, for example, the statement that consumed the most sort time.
这些语句可受益于减少排序数目的附加调优，例如添加索引。
Such statements may benefit from additional tuning to reduce the number of sorts, such as adding an index.
哪些 SQL 语句消耗的 CPU、排序和执行时间最多？
What SQL statements are consuming the most CPU, sort, and execution times?
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