求个简单sql
假设我有两个sql
1、select count(1) from A; 结果100
2、select count(1) from B; 结果200

我怎么用一个sql把这两个结果同时得到：

count(1) count(1)
100 200

感谢~~~~

------解决方案--------------------

SQL code

SELECT 
  (select count(1) from A) AS totA,
  (select count(1) from B) AS totB
FROM dual;