English 中文(简体)
set@flag=1和set@@flag=1之间的差异
原标题:difference between set @flag =1 and set @@flag = 1

嗨,两者有什么区别

SQL Server中的设置@flag=1是否设置@@flag=1[/code>?

非常感谢。

最佳回答

没有什么作为惯例,一些内置函数的名称以双引号@@开头。为了避免混淆,通常建议您不要使用以@@开头的名称。

来源:MSDN:使用标识符-常规标识符规则

问题回答

暂无回答




相关问题
Export tables from SQL Server to be imported to Oracle 10g

I m trying to export some tables from SQL Server 2005 and then create those tables and populate them in Oracle. I have about 10 tables, varying from 4 columns up to 25. I m not using any constraints/...

SQL server: Can NT accounts be mapped to SQL server accounts

In our database we have an SQL server account that has the correct roles to access some of the databases. We are now switching to windows authentication and I was wondering if we can create a NT user ...

SQL Server 2000, ADO 2.8, VB6

How to determine if a Transaction is active i.e. before issuing Begin Transaction I want to ensure that no previous transaction are open.. the platform is VB6, MS-SQL Server 2000 and ADO 2.8