试题详情

在SQL Server中,以下()语句能够将”java“课的学分赋值给变量

Aselect credit into @credit from course where cname=’java’

Bselect credit=@credit from course where cname=’java’

Cselect @credit=credit from course where cname=’java’

Dselect credit from course where cname=’java’ and credit=@credit