摘要：
sql代码：USE [BeijingAgricultureDB]GODECLARE @return_value intEXEC @return_value = [dbo].[SelectTopNNotifications] @num = 2SELECT 'Return Value' = @return_valueGO其他示例：/* Show not having access to variables from the calling batch. */DECLARE @CharVariable CHAR(3)SET @CharVariable = 'abc' 阅读全文