perf-tuning: update statistics.md (#3332) #3345
Merged
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cherry-pick #3332 to release-4.0
What is changed, added or deleted? (Required)
update statistics.md
在[索引的选择](/index-choose.md)章节中,提到了 TiDB 会使用统计信息来决定选择哪个索引。
has not been translated becauseindex-choose.md
does not exist in the docs repo.Which TiDB version(s) do your changes apply to? (Required)
What is the related PR or file link(s)?