wshanshi：个人使用记录…

一、 方法一

SELECT COALESCE
( sex, '总数' ),
COUNT( id ) '人数'
FROM
test
GROUP BY
sex WITH ROLLUP;

二、方法二

SELECT
count( 1 )总数,
sum( CASE WHEN sex = 1 THEN 1 ELSE 0 END )男,
sum( CASE WHEN sex = 0 THEN 1 ELSE 0 END ) 女
FROM
test