如何获取此查询的计数 - 从CountRecord中选择Count（*）（从Account中选择AccountId，*）

Question

如何获取此查询的计数？

select AccountId, * from Account

Answer 1

Select Count(*) as CountRecord from Account

Answer 2

您已将别名放在错误的地方

SELECT COUNT(*) AS CountRecord FROM (SELECT AccountId, * FROM Account) a
-----------------^^^^^^^^^^^^^^^

但你应该直接计算这样的记录：

SELECT COUNT(*) AS CountRecord FROM Account