看一看的 特别注意事项 如果您使用的GROUP BY子句，你将不得不使用 COUNT_BIG（*）。在 social.msdn 我发现有一个类似/同样的问题，其他用户 - 这种说法解决它

Have a look at special considerations on query notifications If you make use of a group by clause you will have to use COUNT_BIG(*). On social.msdn I found another user having a similar / same problem - solving it with this statement.