how to find median of a column sql
SET @rowindex := -1;
SELECT
AVG(g.grade)
FROM
(SELECT @rowindex:=@rowindex + 1 AS rowindex,
grades.grade AS grade
FROM grades
ORDER BY grades.grade) AS g
WHERE
g.rowindex IN (FLOOR(@rowindex / 2) , CEIL(@rowindex / 2));Copyright © 2021 Codeinu
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