📅  最后修改于: 2022-03-11 15:04:53.310000             🧑  作者: Mango
代码示例1
SELECT CAST(ROUND(SQRT(POWER(MIN(LAT_N)-MAX(LAT_N), 2) + POWER(MIN(LONG_W)-MAX(LONG_W), 2)), 4) AS NUMERIC(18,4))FROM STATION;