MYSQL数据库测试过，会出现多列统计值
SELECT (
SELECT
count
(
*
)
FROM
tb_task
)
AS
TEST
,
(
SELECT
count
(
*
)
FROM
tb_user
)
AS
TEST2
FROM
tb_task
参考资料：
http://www.myexception.cn/sql-server/153882.html
转载于:https://www.cnblogs.com/wuhenke/archive/2012/05/10/2494801.html
