The correlation statistic tells the planner how closely the physical row order matches the column's sort order. A value near 1.0 means sequential access patterns - making index scan cheaper because the next row is likely on the same or adjacent page. For time-series data like created_at where rows are inserted chronologically, correlation is typically very high.
That's US (Madhav on the left & swarup on the right)! 23rd January, 2026，详情可参考新收录的资料
В Иране пообещали заставить США пожалеть о своей агрессии против республики02:08。关于这个话题，新收录的资料提供了深入分析
[47]民间投资是指具有集体、私营、个人性质的内资调查单位以及由其控股（包括绝对控股和相对控股）的调查单位在国内建造或购置固定资产的投资。