medianmedian median 介绍 median(col) - 返回数值或 ANSI interval col 的中位数。 Examples: > SELECT median(col) FROM VALUES (0), (10) AS tab(col); 5.0 > SELECT median(col) FROM VALUES (INTERVAL '0' MONTH), (INTERVAL '10' MONTH) AS tab(col); 0-5 Since: 3.4.0meanmin